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ASTM A269 Stainless Steel Tubes and Pipes

ASTM A269 Stainless Steel Pipes and Tubes


ASTM A269 TP304 TP304L TP316 TP316L Seamless, Welded Stainless Steel Tubing

Metline is a professional ASTM 269 stainless steel tube supplier and manufacturer with more than 30 years experience. Our stainless steel tubes are produced in compliance with ASTM A269 standards in stainless steel TP 304/304L/304LN, TP 316/316L/316LN, TP 317, TP 347, TP 348. SS tubes supplied by Metline have excellent OD tolerance and mechanical properties enabling us to full fill the most demanding requirements from our customers. The quality of our tubes is ensured by our strict manufacturing process and testings at various stages of production.

For us quality always stands first, and we would provide 100% free replacement to our customer. At the same time, we also strive to ensure that our quality for cold drawn stainless steel pipes and tubes is the best in the industry. Our continuous focus on quality, price and service has helped us win many orders from India, and overseas. We welcome you to contact us for best prices for cold drawn seamless stainless steel tubes from our factory.

  • Specification: ASTM 269
  • Size: 1/8” to 24” (10.3mm to 610mm)
  • Thickness :1 mm to 60 mm (Schedule 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH)

Manufacturing Specification

  • ASTM A269 – Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

Why Choose Metline as Your Source for ASTM 269 Stainless Steel Tubes?

  • Quality Products: At Metline, our quality promise comes with a 100% replacement guarantee. All our products pass testing requirements of international manufacturing specification. All our stainless steel piping products are manufactured by ISO 9001 certified factory, and shipped with MTC according to EN 10204 3.1.
  • Best Price Guaranteed for ASTM A269 304/316L Stainless Steel Tubes: When you source Metline Industries, you source everything directly from the manufacturer and stockholder! We have an average daily sale volume of around 15-20 tons of stainless steel pipes & tubes from a stock of over 600 tons. We believe in offering our customer’s high quantity discounts and work closely with them on all their project requirements. We always offer the most competitive prices for ASTM A269 stainless steel tubes to both prospective and existing customers.
  • Fast Quotations and Delivery: We understand your need for purchasing materials with short lead times. We have extensive stocks of standard size stainless steel pipes and tubes, enabling us to deliver goods on an immediate basis to all our customers in India and overseas. We have wide inventory of stainless steel seamless 304 and 316L pipes for fast delivery.
  • Quality Raw Materials: We use high quality raw materials to produce stainless steel pipes and tubes. Our raw materials are quality tested before being used in production of final product. We can also offer stage wise inspection for stainless steel pipes and tubes.
  • Standard and Non Standard Sizes for ASTM A269 Stainless Steel Tubes: We can offer stainless steel tubes and pipes in both standard and non standard sizes with shortest delivery times.
  • Complete Documentation: We provide complete product related documents to our customers before delivery of the goods.


ASTM A269 Stainless Steel Pipes & Tubes Manufacturers & Suppliers – 304/304L, 316/316L – SS Pipes at Lowest Prices!

Metline is a distinguished distributor and exporter of ASTM A269 stainless steel pipes and tubes in India, with over 200 customers throughout the world. We are capable of offering ASTM A269 TP 304/316L stainless steel pipes and tubes to our customers with the best quality and lowest prices in the industry. We specialise in offering ASTM 269 TP 304/316L stainless steel pipes and tubes in size range of 1/8″ to 8″ in thickness upto 8mm.

ASTM 269 Stainless Steel Pipes and Tubes Production, Stock & Supply Range

ProductASTM A269 Stainless Steel Pipes and Tubes
Standard Size1/8” to 24” (10.3mm to 610mm)
Thickness1 mm to 60 mm (Schedule 10s, 20, 40s, 40, 60, 80s, 80, 100, 120, 140, 160, XXH)
GradeTP304, TP304L, TP304LN, TP316, TP316L, TP316LN TP317, TP321, TP347, TP348, S31254
Flaring Test (Seamless Tubes)One test shall be made on specimens from one end of one tube from each lot of finished tubes.
Flange Test (Welded Tubes)One test shall be made on specimens from one end of one tube from each lot of finished tubes
Hardness TestBrinell or Rockwell hardness determination shall be made on specimens from two tubes from each lot
Reverse flattening TestFor welded tubes, one reverse flattening test shall be made on a specimen from each 1500ft (460m) of finished tubing
Hydrostatic or Nondestructive TestingEach pipe shall be subjected to the nondestructive electric test or the hydrostatic test
CertificationEN 10204 3.1
TestingHydro Tested, Chemical, Mechanical Test, PMI
InspectionThird Party Inspection, Buyer Inspection
PackingWeaving Bag, Seaworthy Bundles, Wooden Case if required
Delivery Time1-2 Days for Material in Stock, 7-30 Days for Make to Order Materials

ASTM A269 Specifications

The ASTM A269 specification covers nominal-wall-thickness, seamless and welded austenitic steel tubing for general corrosion-resisting and low- or high-temperature service. Upon completion, all material shall:

  • shall be furnished in the heat-treated condition.
  • conform to the chemical composition requirements.
  • different mechanical test requirements that includes, flaring test, flange test, hardness test, and reverse flattening test are presented.
  • shall be subjected to the non-destructive electric test or the hydrostatic test.

Chemical Composition of ASTM 269 Stainless Steel Welded Pipes and Tubes

GradeUNSComposition, %
TP304S304000.0820.0450.03118.0–208.0–11. . .. . .. . .. . .. . .. . .
TP304LS304030.03520.0450.03118.0–208.0–13. . .. . .. . .. . .. . .. . .
TP304LNS304530.03520.0450.03118.0–208.0–11. . .. . .. . .0.10-0.16. . .. . .
TP316S316000.0820.0450.03116.0–1810.0–142.00–3. . .. . .. . .. . .. . .
TP316LS316030.03520.0450.03116.0–1810.0–152.00–3. . .. . .. . .. . .. . .
TP316LNS316530.03520.0450.03116.0–1810.0–13. . .. . .. . .0.10-0.16. . .. . .
TP317S317000.0820.0450.03118.0–2011.0–153.0–4. . .. . .. . .. . .. . .
TP321S321000.0820.0450.03117.0–199.0–12. . .. . .. . .. . .. . .. . .
TP347S347000.0820.0450.03117.0–199.0–13. . .. . .. . .. . .. . .. . .
TP348S348000.0820.0450.03117.0–199.0–12.0. . .0.1. . .. . .. . .. . .C:
. . .S312540.0220.0450.035119.5–20.517.5-18.56.0-6.5. . .. . .0.18-0.220.50-1.50. . .. . .

Mechanical Properties of ASTM 269 Stainless Steel Pipes and Tubes

GradeUNSTensile Strength, Min. Ksi [MPa]Yield Strength, Min. Ksi [MPa]Others
TP304S3040075 [515]30 [205]
TP304LS3040370 [485]25 [170]
TP316S3160075 [515]30 [205]
TP316LS3160370 [485]25 [170]
TP317S3170075 [515]30 [205]
TP321S3210075 [515]30 [205]welded & seamless
TP347S3470075 [515]30 [205]
TP347HS3470975 [515]30 [205]


ASTM Referenced Standards

A262Practices for Detecting Susceptibility to Intergranular Attack in Austenitic Stainless Steels
A370Test Methods and Definitions for Mechanical Testing of Steel Products
A480 A480MSpecification for general requirements for Flat-rolled stainless and Heat-Resisting steel plate, sheet, and strip
A632Specification for Seamless and welded austenitic stainless-steel tubing (small-diameter) for general service
A1016 A1016MSpecification for General Requirements for Ferritic Alloy Steel, Austenitic Alloy Steel, and Stainless-Steel Tubes
E527Practice for Numbering Metals and Alloys in the Unified Numbering System (UNS)

Product Application

Stainless steel tubes/pipes are mainly used in petrochemical industry, hydropower stations, textile industry, pharmaceutical factories, decoration industry, industrial plants.


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