ASTM A312 / A213 Seamless Welded Stainless Pipe 201 304 316 321 904L Grade
TJYCT STEEL CO., LTD.- Type：Stainless Steel Pipes
- Standard：ASTM, GB, DIN, EN
- Grade：300 Series
- Certification：SGS, BV, ISO
- Shape：Round, Square, Rectangular
- Technique：Welded
Base Info
- Model NO.：201 304 316 321 904L
- Surface Treatment：Polished
- Length：6m or Customized
- Transport Package：Plastic Bags, Standard Export Packing
- Specification：1′′ - 20′′
- Trademark：YCT
- Origin：Tianjin, China
- HS Code：7306400
- Production Capacity：1000 Ton , Month
Description
Product
ASTM A312 / A213 seamless welded stainless pipe 201 304 316 321 904L grade
Standard
ASTM A554,ASTM A312
Material Grade
201,202,304,316,316L
Main Material
a) 201 (Ni0.8%-1%)
b) 202 (Ni: 3.0%-4.0%)
c) 304 (Ni: 8% Cr: 18%)
d) 316 (Ni: 10% Cr: 18%)
Size Range
12mm-610mm or customized
Thickness
0.5-30mm
Length
6m or as customers' request
Tolerance
a) Outer Diameter: +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm
Surface
180G, 320G Satin/Hairline
400G, 600G Mirror finish
Application
handrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etc
Test
Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT
Chemical Composition of Material
Material
Composition
201
202
304
316L
430
C
≤0.15
≤0.15
≤0.08
≤0.035
≤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
13-15
14-17
18-20
16-18
16-18
Ni
0.7-1.1
3.5-4.5
8-10.5
10-14
Mo
2.0-3.0
Mechanical Property
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)
<105
<100
<90
<90
