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Quality ASTM A312 Stainless Steel Pipe Seamless Welded TP304 TP304L factory
Quality ASTM A312 Stainless Steel Pipe Seamless Welded TP304 TP304L factory

ASTM A312 Stainless Steel Pipe Seamless Welded TP304 TP304L

Basic Properties
Place of Origin: MADE IN CHAINA
Brand Name: Baosteel，TISCO
Certification: EN 10204 Type 3.1 / 3.2 available
Model Number: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507
Trading Properties
Minimum Order Quantity: 100kg
Price: Negotiable (Request a Quote)
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Ability: 10000tons
Tags

Molybdenum Alloy Stainless Steel Pipe

Stainless Steel Pipe Chloride Resistance

ASTM A312 Stainless Steel Pipe Seamless
Product Summary
ASTM A312 pipe Seamless & Welded TP304 TP304L

Product Details

Highlight:

ASTM A312 Stainless Steel Pipe Seamless

,

Stainless Steel Pipe Seamless Welded

,

Stainless Steel Pipe Seamless TP304
Country Of Origin: MADE IN CHAINA
Brand: Baosteel，TISCO
Certifications: ISO/EN 10204 Type 3.1 / 3.2 Available
Grade: 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH)
MOQ: 100kg
Price: Negotiable (Request A Quote)
Packaging: Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag
Delivery Time: 15-25days
Payment Terms: T/T，D/P，D/A，Western Union，PayPal
Supply Capacity: 10000tons
Product Description

ASTM A312 is the standard specification issued by the American Society for Testing and Materials (ASTM) for seamless, straight-seam welded, and heavily cold-worked welded austenitic stainless steel pipe intended for high-temperature and general corrosive service.

It covers grades such as TP304, TP304L, TP316, and TP316L, ensuring excellent resistance to intergranular corrosion and oxidation scaling. Choosing ASTM A312 certified material guarantees dimensional accuracy, mechanical integrity, and long-term reliability.

Key Specifications

Property Details
Standard ASTM A312 / ASME SA312
Type Seamless (SMLS) & Welded (ERW)
Material Grades TP304, TP304L, TP316, TP316L, TP321, TP347
Size Range 1/8″ to 24″ (DN6 to DN600)
Schedule Sch 5S, Sch 10S, Sch 40S, Sch 80S, Sch 160, XXS
Length Single Random (16-22 ft), Double Random (35-40 ft), or Custom
Finish Mill Finish, Pickled, Annealed, or Polished
 
 

Chemical Composition

Highlights specific data for SEO for "TP316L vs 304 chemical properties"

 
 
Grade C (Max) Mn (Max) P (Max) S (Max) Si (Max) Cr Ni Mo
TP304 0.08 2.00 0.045 0.030 1.00 18.0-20.0 8.0-11.0 -
TP304L 0.035 2.00 0.045 0.030 1.00 18.0-20.0 8.0-12.0 -
TP316 0.08 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.0-3.0
TP316L 0.035 2.00 0.045 0.030 1.00 16.0-18.0 10.0-14.0 2.0-3.0

Mechanical Properties

 
 
Property TP304 / TP304L TP316 / TP316L
Tensile Strength (MPa) ≥ 515 ≥ 485
Yield Strength (MPa) ≥ 205 ≥ 170
Elongation (%) ≥ 35 ≥ 35
Hardness (HRB) ≤ 90 ≤ 90

Applications: Why Choose ASTM A312 Pipe?

Our customers rely on ASTM A312 stainless pipe for critical infrastructure:

  1. Chemical & Petrochemical Plants: Transporting corrosive acids and hydrocarbons.

  2. Food & Beverage Processing: Sanitary lines requiring cleanability and non-reactive surfaces.

  3. Pharmaceutical Industry: High-purity steam and fluid transfer.

  4. Desalination & Water Treatment: Resisting saltwater corrosion (316L).

  5. Heat Exchangers & Boilers: High-temperature fluid movement.

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