A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe

Product Details
Customization: Available
Type: Seamless
Technique: Cold Drawn
Quick Look
Key Features:
  • Compliance: Certified to ASTM A312 & GB12770 for global use.
  • Durability: High-grade stainless steel (304, 316, 316L) for long-term performance.
  • Customization: Available in sizes 1/8"–48" with customizable lengths for diverse applications.
Supplier Highlights:
  • Established 1989: Over 30 years in steel manufacturing & export.
  • Monthly 1000T Capacity: High-volume production for reliable supply.
  • Export Expertise: 20+ years global experience ensuring quality & compliance.
Diamond Member Since 2011

Suppliers with verified business licenses

Audited Supplier Audited Supplier

Audited by an independent third-party inspection agency

High Repeat Buyers Choice
More than 50% of buyers repeatedly choose the supplier
Years of Export Experience
The export experience of the supplier is more than 10 years
Exhibition Experience
The supplier had participated in offline trade shows, you can check the Audit Report for more information
Importers and Exporters
The supplier has import and export rights
to see all verified strength labels (18)
  • A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
  • A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
  • A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
  • A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
  • A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
  • A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
Quick Look
Key Features:
  • Compliance: Certified to ASTM A312 & GB12770 for global use.
  • Durability: High-grade stainless steel (304, 316, 316L) for long-term performance.
  • Customization: Available in sizes 1/8"–48" with customizable lengths for diverse applications.
Supplier Highlights:
  • Established 1989: Over 30 years in steel manufacturing & export.
  • Monthly 1000T Capacity: High-volume production for reliable supply.
  • Export Expertise: 20+ years global experience ensuring quality & compliance.
Find Similar Products

Basic Info.

Model NO.
Pipe
Material
Stainless Steel
Usage
Mining
Section Shape
Round
Size
1/8" to 24"(DN6-600)
Wt
Sch10s-Schxxx
Thickness
0.5-2.0mm
Length
15X15,18X18,20X20,23.5X23.5/as Customers' Request
Transport Package
In bundles or wooden box
Specification
according to the requirment
Trademark
Kingmetal
Origin
china
HS Code
73044190
Production Capacity
1000 Ton/Month

Product Description

A312 304/316/310S 321/321h/ 347h seamless Stainless Steel Pipe

1. Seamless stainless steel pipe:
Size-- 1/8" to 24"(DN6-600)
Material--304, 304L, 316, 316L, 317, 309, 202, 312, 310, 347 etc
Standard--ASTM A213/A312/A269/A270


2. Welded stainless steel pipe:
Size-- 1/8" to 48"(DN6-1200)
Material--304, 304L, 316, 316L, 317, 309, 202, 312, 310, 347 etc
Standard--ASTM A312/A249/A270/A554

3. Aplication: Boiler, heater exchanger, food, paper making, metallurgy, shipbuilding, environmental protection, pressure container, water, electricity etc.
 
WE, KINGMETAL, IS A PROFESSIONAL MANUFACTURER IN STEEL INDUSTRY SINCE 1989,

WITH OVER 20 YEARS  EXPERIENCE IN EXPORING,

WE BELIEVE WE CAN SUPPORT OUR CUSTOMER WELL AND GROW STRONGER AND STRONGER TOGETHER.

 
WE INSIST ON GOOD QUALITY, GOOD SERVICE, AND COMPETITIVE PRICE.

A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
A312 304/316/310S/321/321H /347H Seamless Stainless Steel Pipe
Name Stainless Steel Pipe
Standard GB12770,GB12771,ASTM A249,ASTM A269,ASTMA270,ASTMA312,ASTMA554,JIS G 3463
Material Grade 304,316,201,202,316L,430
Main Material a) 201 (Ni0.8%-1%)
b) 202 (Ni: 3.5%-4.5%)
c) 304 (Ni: 8% Cr: 18%)
d) 316 (Ni: 10% Cr: 18%)
Thickness 0.5-2.0mm
Length 15x15,18x18,20x20,23.5x23.5  or as customers' request
Tolerance a)Outer Diameter; +/-0.2mm
b)Thickness; +/-0.03mm
c)Length;+/-5mm
Surface 180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish
Application Electronics
Test Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material Composition 201 202 304 316 430
C ≤0.15 ≤0.15 ≤0.08 ≤0.08 ≤0.12
Si ≤1,00 ≤1,00 ≤1,00 ≤1.00 ≤1.00
Mn 5.5-7.5 7.5-10 ≤2.00 ≤2.00 ≤1.00
P ≤0.06 ≤0.06 ≤0.045 ≤0.045 ≤0.040
S ≤0.03 ≤0.03 ≤0.030 ≤0.030 ≤0.030
Cr 12.5-14.5 15-18 18-20 16-18 16-18
Ni 0.8-1.5 46 8-10.5 1014
 
Mo
 

 

 
2.0-3.0
 
Mechanical Proper Material Item 201 202 304 316
Tensile Strength ≥535 ≥520 ≥520 ≥520
Yield Strength ≥245 ≥205 ≥205 ≥205
Extension ≥30% ≥30% ≥35% ≥35%
Hardness(HV) <253 <253 <200 <200

Send your message to this supplier

*From:
*To:
*Message:

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now
Send Inquiry
Chat Now