Product Main

Specifications

 Sprial steel pipe Stainless steel tube 
welded stainless steel pipe:
1.OD:6-159mm
TK:0.3-3.0mm
2.Material:201,202,301,304,316L,430
3.ASTM A554,A312,A249,A269,A270 
 
Name
Sprial steel pipe Stainless steel tube 
welded stainless steel pipe
Items
Square pipes, round pipes, oval pipes, special shaped pipes,
empaistic pipes, fittings
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
6mm--159mm
Thickness
0.25mm - 3.5mm
Length
6m or 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
Application
Decoration, construction, Sanitary, food industry,
upholstery, industry instrument 
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
 Sprial steel pipe Stainless steel tube 
Welded Stainless steel pipe's payment:
Payment
Payment by T/T, 30% as advance payment and 70% balance pay before shipping.
 
Delivery time
A.7 days if this goods is stock goods.
B.30 days if this goods will be produced after order
Valid time
Valid time is 3 days for price usually.