stainless steel water pipe

1. Stainless steel pipe with high quality,competitive price and fast delivery
2. Comprehensive Application
Name
Stainless Steel water pipe
Application
supply of cold and hot water, medicine and food transportation, gas delivery, fire control, heating supply etc.
Standard
ASTM A312, A789, 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
6mm--630mm
Thickness
0.6mm - 6.0mm
Length
As customers' request

Tolerance
a) Outer Diameter: +/- 0.2mm
b) Thickness: +/- 0.02mm
c) Length: +/- 5mm
Surface
180G, 320G, 400G Satin / Hairline
400G, 500G, 600G or 800G Mirror finish

Test
Squash test, extended test, water pressure test, crystal rot test, heat treatment, NDT




Chemical Composition of Material
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
16-18
17-19
18-20
16-18
16-18
N
3.5-5.5
4-6
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)
<253
<253
<200
<200