Stainless Steel Seamless Pipe, Packaging Type : silver

Name
stainless steel seamless & welded tube &pipe
standard
astm a554, a249, a269 and a270
material-grade
201: ni 0.8%~1%
202: ni 3.5%~4.5%
304: ni 8%, cr 18%
316: ni 10%, cr 18%
316l: ni10%~14%
430: cr16%~18%
outer diameter
customized
thickness
1-100mm
length
6m or as customers request
tolerance
a)outer diameter: +- 0.2mm
b)thickness: +- 0.02mm
c) length: +- 5mm
surface
180g, 240g, 320g satin hairline 400g, 600g mirror finish
application
handrail, railing, staircase, weld mesh 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
316
316l
430
c
≤0.15
≤0.15
≤0.08
≤0.08
≤0.035
≤0.12
si
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
≤1.00
mn
5.5-7.5
7.5-10
≤2.00
≤2.00
≤2.00
≤1.00
p
≤0.06
≤0.06
≤0.045
≤0.045
≤0.045
≤0.040
s
≤0.03
≤0.03
≤0.030
≤0.030
≤0.030
≤0.030
cr
13-15
14-17
18-20
16-18
16-18
16-18
ni
0.7-1.1
3.5-4.5
8-10.5
10.0-14.0
10.0-14.0
**
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).