Round Welded Stainless Steel Tubing, ASTM A554 Large Dimaer Water Pipe

Name

Stainless steel welded tube/Pipe

Standard

ASTM A554, A312, A249, A269 and A270, A688

Material Grade

201, 202, 301, 304, 316, 430, 304L, 316L

Size Range

20x10mm - - 100x50mm, 10x10mm - 100x100mm, 9.53 - 101.6mm, we can also accept sizes above 101.6mm

Thickness

0.3mm - 3.0mm

Length

6m or as customers' request

 
Tolerance

a) Outer Diameter:   +/ - 0.2mm

b) Thickness: +/ - 0.02mm

c) Length: +/ - 5mm

Surface

180G, 320G Satin/Hairline (Matt Finish, Brush, Dull Finish)
400G, 600G Mirror finish

Application

Window, Door, Handrail, Curtain rail, Towel rail, Flagpole, Lamp pole, Sanitary Instrument, Billboard, Decoration, Upholstery,
Construction, Accessory, Airport, Bus Stop

Test

Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT

 
Chemical Composition of Material

 
Composition
 
    Material

201

202

304

316L

430

C

≤ 0.15

≤ 0.15

≤ 0.08

≤ 0.35

≤ 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