Project Description

Stainless Steel Seamless Pipe & tube

Alloy Seamless Steel Pipe & tube, also referred to as Alloy Seamless Steel Pipe & tube, is intended for mechanical and pressure applications. In addition, Alloy Seamless Steel Pipe & tube is also acceptable for ordinary uses in steam, water, gas and air lines.

  • High Technical Production Line
  • Cmpetitive price
  • Any sizes seamless steel pipe
  • Certification: SGS、BV、API、CE、ISO
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Product Details

 astm a 312 tp304 stainless steel seamless pipes

 

Name astm a 312 tp304 stainless steel seamless pipes
Items Square pipes,rectangular pipes, round tubes, oval pipes, special shaped pipes
Standard ASTM ,GB,DIN  AISI
Material Grade 201: Ni 0.7%–1%
202: Ni 3.0%–4%
304: Ni 8%, Cr 18%
Outer Diameter 9.5mm–114mm
square 12.7×12.7–100x100mm
rectangular 10×20–95x45mm
Thickness 1mm – 100mm
Length 5.8m,6m, or as customers’ request for supplier of astm a 312 tp321 stainless steel seamless pipes
Tolerance a) Outer Diameter:  +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm
Surface 180Grit, 320Grit, 400Grit Satin / Hairline
400Grit, 500Grit, 600Grit Mirror finish
Application Decoration,upholstery,rail,stair armrest,door,gate,window frame,holder structure,etc.
Test Squash test, extended test, water pressure test,heat treatment, NDT
Chemical Composition of Material Material 201 201 304
C ≤0.15 ≤0.15 ≤0.08
Si ≤1.00 ≤1.00 ≤1.00
Mn 5.5-7.5 7.5-10 ≤2.00
P ≤0.06 ≤0.06 ≤0.045
S ≤0.03 ≤0.03 ≤0.03
Cr 16-18 17-19 18-20
N 3.5-5.5 4–6 8-10.5
Mechanical Property Material Item 201 202
Tensile Strength ≥535 ≥520
Yield Strength ≥245 ≥205
Extension ≥30% ≥30%
Hardness (HV) <253 <253

 

 

 

APPLICATIONS :

  1. Pipe and Tubes for petrochemical industry
    2. Pharmaceutical industry
    3. Food industry
    4. Aviation and aerospace industry
    5. Architectural decoration industry

 

Other Features:

 

1) Chemical and Physical characteristic: durable, corrosion resistant and high-temperature resistant

2) We also produce pipes with special specifications according to customers’ requirements;

Production Process

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