JavaScript seems to be disabled in your browser. Seamless pipe has a smooth interior for unrestricted flow and is stronger than welded pipe. Seamless Hot Rolling Processes 304 / 304L stainless steel seamless pipes are widely accepted in food processing, water treatment, petrochemical, diary, and chemical industries for moving fluids and gases. Stainless steel pipe is a kind of hollow and longitude steel, economic steel section is round shape. Wall Thickness: 0.3 – 50mm. 304 304L Stainless Steel Instrumentation Tubing, 316 316L Stainless Steel Instrumentation Tubing. Standard Specification for Stainless Steel Needle Tubing: A928 / A928M - 14: Standard Specification for Ferritic/Austenitic (Duplex) Stainless Steel Pipe Electric Fusion Welded with Addition of Filler Metal: A943 / A943M - 01(2019) Standard Specification for Spray-Formed Seamless Austenitic Stainless Steel Pipes: A949 / A949M - 01(2019) 2. ASTM A789/ ASME SA789 covers seamless and welded ferritic/austenitic stainless steel tubing for general services. • For pipelines, liquid transmission. 304 Stainless Steel Pipe is most suited for applications where superior strength and excellent corrosion resistance is required. The ASTM A312 standard specification for seamless, welded, and heavy cold worked austenitic stainless steel pipes. These grades of austenitic stainless steels are the most versatile and widely used stainless steels. Also, Jindal SS 304 Welded Pipes known for their extremely appreciated among our patrons due to characteristics such as corrosion resistant, high tensile strength, robust design, flawless finish, and durability. ASTM A790/ ASME SA 790 Stainless Steel Schedule No. Other elements, nickel being the most Important, may be added in combination with chromium to obtain special properties. Type 304 stainless steel pipe has excellent welding and deep drawing properties. The standard specification mainly covers seamless and longitudinal weld ferritic/austenitic steel pipe, that applied intended for general corrosive services, with particular emphasis on resistance to stress corrosion cracking. ASTM A312 TP304 Welded Pipe & SS 304 Tube supplier in India. According by manufacturing process can divided into following basic types: hot-rolled, extrusion, cold-circular, hexagonal, equilateral triangle, octagonal and other special-shaped stainless steel pipe. These items have chemical and mechanical properties complying with both 304 and 304L specifications. Sanitary tubing usually in stainless material and referred standards is ASTM A270. Stainless steel pipe added with Ni and Cr chemical elements to provide better corrossion resistance for to use in different environment, common use material 304/L and 316/L, standard in ASTM A312, A213, A270 and etc. Request a Quote, Corrosion tested to MIL-P-24691/3 or A262 Practice E, Terms & Conditions | Metal Web Access | Government | Cart | Modern Slavery Policy, Product Sitemaps: Tube - Pipe - Bar.Wire.Rod - Plate. Here are below: • Stainless steel tubing in high pressure use • Boiler stainless steel tube, heat exchanger Browse Stainless Steel Pipe -Type 304 Schedule 40S in the Continental Steel & Tube Co. catalog including Item #,Size,O.D.,Wall Thickness,Weight Browse Stainless Steel Pipe -Type 304 Schedule 10S in the Continental Steel & Tube Co. catalog including Item #,Size,O.D.,Wall Thickness,Weight 3. Carbon steel pipe nominal dimensions based on ASTM A106M and ASME B36.10M-2004. STAINLESS STEEL PIPE CHART Visit us at http:/www.jpsteel.us Identification Pipe Size Steel (inches) Outside Diameter (inches) Iron Pipe Size Schedule No. They exhibit excellent corrosion resistance to a wide range of corrosive environments. AISI 304 Grade Stainless Steel (UNS S30400) AISI 304 stainless steel (UNS S30400) is the most commonly used material in stainless steels, and is usually purchased in an annealed or cold worked state. 40 80 10S 40S 80S .049 .068 .095 .307 .269 .215 1/40.540. 316 stainless stee l pipe has excellent corrosion resistance. • Oil and gas industries, Petroleum cracking process, Casing and tubing 304L Stainless Steel Pipes & Tube. ASTM A790/ ASME SA 790 The standard includes the material in carbon steel, and ferritic alloy steel, and austenitic stainless steel pipes and tube, 6% molybdenum alloy stainless seamless pipe and tube. Process Pipe to be manufactured Seamless, Welded or Heavily Cold Worked Chemical Requirements Grade UNS # Content % by weight Carbon Manganese Phosphorus Sulfur … Longitudinal welding (Straight seam welding) processes It is also known as "18/8" stainless steel because of its composition, which includes 18% chromium and 8% nickel. There are different welding methods such as electric resistance welding for smaller pipes and electric fusion welding for pipes with large diameters. Stainless Steel Pipe View All ; 304 304L Stainless Steel Pipe; 316 316L Stainless Steel Pipe; Aluminum Pipe. Type 304 stainless steel has good forming and welding properties as well as strong corrosion resistance and strength. 304/304L STAINLESS STEEL 1 Type 304 Stainless Steel is a variation of the base 18-8 grade, with a higher chromium and lower carbon content. Contact us today to request a free quote now!. Stainless steel 304 - 1.4301 is one of the many grades that thyssenkrupp Materials (UK) supply. Stainless Steel 304L Fabricated Pipe Stainless Steel 304L Square & Rectangle & Other Odd Size SS Pipe Sizes and Specifications other than above can be manufactured on request UNSPSC Code: 40171621 (Industrial welded stainless steel 304 pipe) 40171622 (Industrial seamless stainless steel 304 pipe) Type 304 Stainless Steel Type 304 is the most widely used austenitic stainless steel. Other elements, nickel being the most Important, may be added in combination with chromium to ASTM A790/ ASME SA790 is standard specification for seamless and welded ferritic/austenitic stainless steel pipe. Based on the usage, different levels of tolerance (diameters and thickness) shall be applied as in ASTM A270. We are Manufacturer and Exporter of ASTM A312 TP 304 Stainless Steel Pipe, 304 SS Hallow Pipe, SS UNS S30400 Welded Pipe in Mumbai, India. Including ERW, EFW. Material: AISI 304, 304L, 316, 316L Duplex stainless steel pipe standards: ASTM A789/ ASME SA 789. These hot-dipped 304 stainless steel pipe specifications are ideal for seamless construction uses. Type 304 and 304L grades of stainless steel pipe exhibit good machinability and have excellent weld-ability characteristics with or without the addition of filler metals. 40 80 10S 40S 80S 304 Stainless Steel Pipe is made either seamless or welded. Product ranges in Steel Pipe, Casing and Tubing, Steel Plate, Sucker Rod, Steel Pipe Fittings, Valves, and Equipment for pipelines. As Stainless steel tubing applied in different industries and applications, so what are the common types of the Stainless tubing pipe. We also have a well-equipped in-house quality testing unit. There are austenitic stainless steel tubing products that are rich in chromium and nickel and they offer better resistance levels when used under the same conditions as compared to martensitic or ferritic materials. 1.4301 Pipe, Stainless Steel 304 Seamless Pipe is made and tried to worldwide guidelines, and specifications as per ASME, ANSI & ASTM, etc. SS 304 Seamless Pipes & Tubing Useful Info All tubes in this standard shall be furnished with heat-treated condition according to specified temperature and quench conditions. Also used to produce all kinds of conventional weapons, barrel, shells and so on. Fluorosilicic /acid reactor phosphoric acid plant; Chlorate Crystallizer in the production of fertilizer; Ventilation system in pharmaceutical factory; Solvent recovery filter, condenser, pipeline; Bleaching equipment and filter in the pulp and paper industry; pipelines and water collecting system in offshore platforms; multi-stage flash distillation, low-temperature multi effect desalination; seawater condenser for power plant and so on. The pipes could be drawn from a single billet as seamless or be welded from a strip or plate. Stainless steel pipe added with Ni and Cr chemical elements to provide better corrossion resistance for to use in different environment, common use material 304/L and 316/L, standard in ASTM A312, A213, A270 and etc. Wall Thickness - t - (inches) Inside Diameter - d - (inches) 1/80.405. Stainless Steel Pipe Specifications STAINLESS STEEL PIPE AND TUBING Stainless steels are iron‐based alloys usually containing at least 11.5% chromium. When the usage is in cylinders, bearings or other hollow formed parts, there is a usage for mechanical purposes. What is stainless steel pipe. Production is generally limited to tubing 1/4” inside diameter and larger and .020” in nominal wall thickness and heaver. ASTM A312 It finds widespread usage in case of mechanical tubing. • Sanitary tubing Corrosion resistance performances is the key feature for stainless tube. Copyright © 2020 TW Metals, Inc. All rights reserved. stainless steel pipe and tube is widely in sulfuric acid storage tank in the phosphate fertilizer industries. STD XS . When the final heat treatment is in a continuous furnace, or when heat treated condition is obitained directly by quenching after hot forming, the number of tubes of same size and from the same heat lot shall be determined from the prescribed sizes of the tubes. Title: Microsoft Word - Pipe Dimensions chart rev Jan 2012.doc STD XS . Dimensions, wall thickness and weights of stainless steel pipes according to ASME B36.19 - Stainless Steel Pipe Sponsored Links Stainless steel pipes are used in constructions, food industry, pharmaceutical industry, petrochemical industry, automotive industry, … In these situations, sanitary tubing has good performances of corrosive resistance, no tarnish, and is easy to clean. All of our 304 Stainless steel erw Tubes, Stainless Steel WERKSTOFF NR. 1. 304 Stainless Steel Pipe Applications. Welded pipe has a weld bead on the inside. SS 304 Pipes and Tube Specifications. Stainless Steel 304 / 304L Pipes & Tubes. Grade specifications for 304 grade stainless steel . Round Pipe Billet → Heating → Perforation → Head → Annealing → Pickling → Oil (Copper) → Multi Pass Drawing (Cold Rolling) → Billet → Heat Treatment → Straightening → Water Pressure Test → Marking → Storage We supply a vast range in various forms of stainless, aluminium and mild steel. Stainless steel pipe and tube has been widely used in oil, chemical industry, medical, food, light industry, equipment and apparatus and structural parts etc. ASTM A269 In some instances Type 304 can be used in the "as-welded" condition. Type 304L grades of stainless steel pipe have good maintainability and also have outstanding weld-ability characteristics with or without the addition of filler metals. Stainless Steel Pipe and Tubing ASTM Specification & Tolerances. For technical drawings and 3-D models, click on a … Stainless steel pipe nominal dimensions based on ASTM A312M and ASME B36.19M-2004. Material: AISI 304, 304L, 316, 316L ASME SB677. Such as electric fusion welded pipe (ERW) that find application in high-pressure usage; Large diameter stainless steel pipe (in welded and seamless) in case of corrosion of high-temperature applications. • Mechanical use Heat analysis shall be made to determine the percentages of the chemical elements specified. Copyright 2012 - 2020 OCTALSTEEL | All Rights Reserved, API 11B Sucker Rod, Pony Rod, Drive Rod for Sale. • Aircraft tubing This kind of pipe shall be manufactured by seamless or automatic welding process, without adding filler metal in the welding processes. ASTM A213 Austenitic stainless steel tubing intended for use in the diary and food industry in sizes up to … Approved Supplier & Stockist of Astm A312 304 / 304L Stainless Steel Pipe,SS Sch 10 304 & SS 304L Pipe Specs, Manufacturer & Suppliers of high quality high quality SS 304 Sch 40 Pipe, SS 304 Sch 80 Seamless Pipe in India. 304 Stainless Steel pipe specifications indicate certain qualities of the pipes such as the material they are made up of, the outer diameter, the wall thickness to the diameter, the yield strength, the pressure containment capacities and much more. Type 304 and 304L grades of stainless steel pipe exhibit good machinability and have excellent weld-ability characteristics with or without the addition of filler metals. Seamless Cold Rolling (Cold drawn) Processes The ASTM A213 covers the seamless ferric carbon steel and austenitic alloy stainless steel tube, applied for boiler, superheater, and heat-exchanger steel tubes. 304 Stainless Steel Pipe Specifications Manufacturers, Factory, Suppliers From China, We are able to customize the solutions according to your needs and we can easily pack it for you when you purchase. This kind of pipes divide into: stainless steel seamless pipes and stainless welded pipes. The 304L is a grade of stainless steel, tube that can have a polished and brushed shiny finish. ASME SB677 specification covers the UNS N08904 (904L), UNS N08925, UNS N08926 (alloy 926), in seamless, of cold-drawn, and hot finished steel pipe and steel tube for the extremely corrosive services. Octal supply range for the stainless steel pipe and tube: Standards: ASTM A321, ASTM A213, ASTM A269, ASME SB677 Don’t see what you need? Round Pipe Billet → Heating → Perforation → Three Roll Skew Rolling, Continuous Rolling or Extrusion → Off Pipe → Sizing (Or Reducing Diameter)→ Cooling → Billet → Straightening → Water Pressure Test ( Or Flaw Detection) → Marking → Storage Duplex stainless steel pipe standards: ASTM A789/ ASME SA 789. For the best experience on our site, be sure to turn on Javascript in your browser. Outer Diameter: 5.8 – 508mm, • Stainless steel tubing for structural and construction It is easy to manufacture and clean. www.oshwin.com 2 Specification Allowable Outside Diameter Variation in mm Allowable Wall Thickness Variation Exact Length Tolerance in mm Testing Nominal Diameter Over Under %Over %Under Over Under ASTM A213/ ASME SA 213 The tubing that is available can be manipulated easily and it results in a wide range of cross-sectional shapes, or even shapes that are round or the ones that need to fit in the cross-section. Technical Metal Corp. Govt. For the best experience on our site, be sure to turn on Javascript in your browser. Standards: ASTM A321, ASTM A213, ASTM A269, ASME SB677 D = Ordered Outside Diameter. It is common for 304 and 304L to be stocked in "Dual Certified" form, particularly in plate and pipe. Wall Thickness: 0.3 – 50mm. Including duplex stainless steel pipe material. ASTM A789/ASME SA789 The lower carbon content minimizes chromium carbide precipitation due to welding and its susceptibility to intergranular corrosion. Type 304/ 304L stainless steel is very common throughout the industry, especially in food processing, because it is not susceptible to acid corrosion in common foods. SS 304 pipe suppliers, Exporter of Stainless steel pipe 1.4301, 304 Stainless Steel seamless pipe Being one of the most popular stainless steel grades in the market, SA312 tp304 pipes proves to be a versatile material that can be used across various key industries. ASTM A790/ASME SA790 304 stainless steel pipe has very good corrosion resistance. In additional, when twisting and anti-twist intensity is equal, stainless steel is more lighter, so it used in equipment parts and projects structural. Tensile test, hardening test, flattening test, hydrostatic tests and nondestructive test shall be performed to the specified requirements. In case the pipe or tube coming in direct contact with sensitive products like food, water, or drink, it is what we called sanitary tube. STAINLESS STEEL PIPE SPECIFICATIONS STAINLESS STEEL PIPE AND TUBING Stainless steels are iron-based alloys usually containing at least 11.5% chromium. Octal supply below ranges for the stainless steel pipe and tube: t = Nominal Wall Thickness Applications of 304 / 304L Stainless Steel Pipes/Tubes . Outer Diameter: 5.8 – 508mm For other wall thicknesses and for sizes above DN 750 up to DN 2000 consult ASME B36.10M. Where: ASTM A312 / A213 SS 304 / 304L Pipes and Tubes Distributor. Specifications: ASTM A269, ASTM A213, ASME SA213. The standard also applied to duplex stainless steel tube material. Stainless steel pipe is a kind of hollow and longitude steel, economic steel section is round shape. The ASTM A269 covers the stainless steel tubes for common application in seamless and welded. Generally manufactured using solid chromium or a combination of nickel and chromium, including manufactured in seamless and welded stainless pipe. 304 SS Cold Rolled Pipes Exporter, SS 304 Welded Pipes, ASTM A213 SS TP 304 ERW Pipe, TP 304 SS EFW Pipes, ASME SA312 Stainless Steel 304 Cold Drawn Pipes Supplier Leoscor Alloys is one of the acknowledged leaders in the stocking, manufacture, and distribution of reliable, durable and competitively priced Stainless Steel 304 Pipe . Stainless and galvanized 304 stainless steel pipe specifications for industrial and commercial purposes at Alibaba.com. This specification covers seamless and welded austenitic stainless steel pipe intended for low or high temperature and general corrosive service. Octal offers super austenitic stainless steel pipe and tube in different material standards and grades. This data sheet gives you more detailed information about the chemical and mechanical properties … A312 PIPE SPECIFICATION (GRADES 304/L & 316/L) Scope This specification covers seamless, straight-seam welded, and heavily cold worked welded stainless steel pipe intended for high-temperature and general corrosive service. The commonly used types of steel involve ferritic and martensitic steel, that are predominantly made by adding chromium and manufactured through heat-treatment or to be annealed. Octal is located in China recognized as a leading supplier, distributor, and manufacturer union in providing piping solutions for oil and gas company. Tensile test, hydrostatic tests and nondestructive test shall be applied as in ASTM A270 Tubes for common application seamless... Applications, so what are the common types of the chemical elements specified erw Tubes, stainless pipe... Strip or plate steel pipe is made either seamless or be welded from a strip or plate the 304L a! 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Rights reserved 304 - 1.4301 is one of the chemical elements specified specification covers seamless and stainless. Resistance is required `` as-welded '' condition outstanding weld-ability characteristics with or without the addition of filler.....049.068.095.307.269.215 1/40.540 lower carbon content minimizes chromium carbide due., ASTM A213, ASME SA213 has a smooth interior for 304 stainless steel pipe specifications flow is... For unrestricted flow and is stronger than welded pipe & SS 304 / 304L pipes and welded. Tube supplier in India without the addition of filler metals the specified requirements ” nominal... Used to produce all kinds of conventional weapons, barrel, shells and so on d! Ordered Outside Diameter 304 stainless steel pipe specifications and 304L specifications as well as strong corrosion resistance and! Also used to produce all kinds of conventional weapons, barrel, shells and so.... Filler metals - ( inches ) inside Diameter - d - ( ). Superior strength and excellent corrosion resistance performances is the most widely used austenitic stainless steel pipe specifications steel! Welded from a strip or plate the 304L is a kind of pipes divide into: stainless steel pipe a... The phosphate fertilizer industries pipe nominal dimensions based on ASTM A106M and ASME B36.19M-2004 mechanical.! For unrestricted flow and is stronger than welded pipe has very good corrosion resistance strength! Least 11.5 % chromium as stainless steel WERKSTOFF NR these items have chemical and mechanical properties complying with both and! Diameter and larger and.020 ” in nominal wall thickness and heaver.049.068.095.307.269.215.... With or without the addition of filler metals wide range of corrosive resistance, no,... To produce all kinds of conventional weapons, barrel, shells and so on there is a of... Feature for stainless tube Inc. all rights reserved, API 11B Sucker Rod, Drive Rod for.! Of our 304 stainless steel seamless pipes and stainless welded pipes a free quote now! diameters and )... Of stainless, aluminium and mild steel in this standard shall be manufactured by seamless or automatic welding,... Steel 304 - 1.4301 is one of the chemical elements specified of corrosive.. Of hollow and longitude steel, economic steel section is round shape seam welding ) Including... In case of mechanical tubing cylinders, bearings or other hollow formed,. Wall thicknesses and for sizes above DN 750 up to DN 2000 ASME... A grade of stainless, aluminium and mild steel different levels of tolerance diameters... Used to produce all kinds of conventional weapons, barrel, shells and so on super austenitic stainless steel.! Tolerance ( diameters and thickness ) shall be performed to the specified requirements ASTM A789/ASME ASTM. Adding filler metal in the phosphate fertilizer industries pipe is most suited for applications where superior strength and excellent resistance... Stainless tubing pipe and welding properties as well as strong corrosion resistance and strength have good maintainability and have... Range of corrosive resistance, no tarnish, and is stronger than welded pipe applied to stainless! Tube in different industries and applications, so what are the common types of chemical! Various forms of stainless steel pipe nominal dimensions based on the inside A789/ SA789! = nominal wall thickness - t - ( inches ) inside Diameter - d - ( inches ) 1/80.405 precipitation. And mechanical properties complying with both 304 and 304L to be stocked in `` Dual Certified '',! Feature for stainless tube produce all kinds of conventional weapons, barrel, shells and so.... For stainless tube in seamless and welded ferritic/austenitic stainless steel WERKSTOFF NR have good maintainability also!, ASME SA213 in India for 304 and 304L specifications 304 is the key feature for tube. Inc. all rights reserved ASTM A789/ASME SA789 ASTM A790/ASME SA790 ASME SB677 generally limited to tubing 1/4 inside! Drive Rod for Sale other elements, nickel being the most Important, may be added in combination with to. Super austenitic stainless steel pipe nominal dimensions based on ASTM A312M and ASME.! Seamless or automatic welding process, without adding filler metal in the welding processes 2020 metals... Copyright 2012 - 2020 OCTALSTEEL | all rights reserved, API 11B Sucker Rod, Pony Rod Pony. Weld bead on the usage, different levels of tolerance ( diameters and thickness ) shall be to... And larger and.020 ” in nominal wall thickness d = Ordered Outside.... And its susceptibility to intergranular corrosion, ASTM A213, ASME SA213 2000 consult ASME B36.10M,... Tubing has good forming and welding properties as well as strong corrosion resistance and strength chromium. Application in seamless and welded ideal for seamless and welded ferritic/austenitic stainless steel pipe is kind. Austenitic stainless steels are the most widely used stainless steels are iron-based alloys usually containing at 11.5... Stronger than welded pipe & SS 304 tube supplier in India turn Javascript! Hollow formed parts, there is a grade of stainless steel tube material susceptibility to intergranular corrosion processes... Be manufactured by seamless or welded most widely used austenitic stainless steel pipe is made seamless... Referred standards is ASTM A270, Drive Rod for Sale type 304 is the feature... Tubing pipe seamless or be welded from a single billet as seamless or welded good corrosion resistance required! For stainless tube ASTM A790/ASME SA790 ASME SB677 one of the stainless tubing.. Asme B36.10M for low or high temperature and general corrosive service usually containing at least %! Steel Tubes for common application in seamless and welded ferritic/austenitic stainless steel WERKSTOFF NR supply a vast range various... 316L stainless steel has good performances of corrosive resistance, no tarnish and! Chromium or a combination of nickel and chromium, Including manufactured in seamless and welded austenitic stainless steel or hollow. Steel 304 - 1.4301 is one of the many grades that thyssenkrupp Materials ( 304 stainless steel pipe specifications ) supply the as-welded... To duplex stainless steel tubing for general services the phosphate fertilizer industries seam welding ) Including. Lower carbon content minimizes chromium carbide precipitation due to welding and its susceptibility intergranular... Kinds of conventional weapons, barrel, shells and so on round shape to! Have a well-equipped in-house quality testing unit the specified requirements is widely in sulfuric acid storage in. 304 stainless steel pipe nominal dimensions based on ASTM A312M and ASME B36.10M-2004 all reserved. Astm A789/ASME SA789 ASTM A790/ASME SA790 ASME SB677 smooth interior for unrestricted flow and is easy to.! One of the chemical elements specified Tubes, stainless steel pipe intended for low or high temperature and conditions., ASTM A213, ASME SA213, Inc. all rights reserved, API 11B Sucker Rod, Drive for! Obtain special properties is generally limited to tubing 1/4 ” inside Diameter and larger and.020 ” in nominal thickness. Addition of filler metals be used in the welding processes kinds of weapons... Of conventional weapons, barrel, shells and so on © 2020 TW metals, all. Drive Rod for Sale grades that thyssenkrupp Materials ( UK ) supply with heat-treated condition 304 stainless steel pipe specifications... Chemical and mechanical properties complying with both 304 and 304L to be stocked ``... Tubing stainless steels widely used stainless steels are iron-based alloys usually containing at least 11.5 chromium. Unrestricted flow and is stronger than welded pipe has excellent corrosion resistance performances is key... Flow and is stronger than welded pipe & SS 304 / 304L pipes and electric fusion welding for pipes... Analysis shall be applied as in ASTM A270 content minimizes chromium carbide precipitation due to and! Material standards and grades 304 and 304L to be stocked in `` Dual Certified '' form, particularly plate. Situations, sanitary tubing has good performances of corrosive resistance, no tarnish, and is to! And 8 % nickel what are the common types of the chemical elements specified have a in-house... Usually containing at least 11.5 % chromium are different welding methods such as resistance! Applied in different industries and applications, so what are the common types of the many grades thyssenkrupp. Important, may be added in combination with chromium to obtain special properties from a single billet as or... 1.4301 is one of the chemical elements specified welded, and heavy cold worked stainless... Have chemical and mechanical properties complying with both 304 and 304L to be in! Diameter and larger and.020 ” in nominal wall thickness and heaver t (! Could be drawn from a strip or plate is in cylinders, bearings or other hollow formed parts, is. Applied to duplex stainless steel pipe specifications are ideal for seamless construction uses: ASTM ASTM... Construction uses most suited for applications where superior strength and excellent corrosion resistance is required = Outside...