ST37 20# Welded Stainless Steel Pipe Hot Rolled , Thin Wall ERW SS Round Tube

Rectangular pipe specification

20*40*(0.5-1.8)mm

30*40*(0.5-3.0)mm

25*50*(0.5-2.2)mm

30*50*(0.5-4.0)mm

30*60*(0.5-4.0)mm

40*50*(1.7-4.0)mm

40*60*(1.5-6.0)mm

50*70*(1.5-5.0)mm

40*80*(1.5-5.0)mm

50*80*(1.7-5.0)mm

100*40*(1.7-5.0)mm

50*100*(1.5-5.0)mm

60*120*(1.5-5.0)mm

60*100*(1.5-6.0)mm

60*120*(1.5-6.0)mm

80*100*(1.5-6.0)mm

80*120*(1.7-6.0)mm

75*150*(1.7-6.0)mm

80*160*(2.5-6.0)mm

100*150*(2.5-6.0)mm

300*600*(6.0-16.0)mm

200*400*(3.0-13.0)mm

Name

Stainless Steel pipe

Standard

ASTM A554, A249, A269 and A270, A312

Material Grade

201 ( Ni 0.8%),

202 (Ni 3.5%~4.5%),

301(Ni 5%)

304 (Ni 8%, Cr 18%),

316 (Ni 10%, Cr 18%),

316L (Ni10%~14%),

430

Outer Diameter

6mm--159mm

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, 400G Satin / Hairline

400G, 500G, 600G or 800G Mirror finish

Application

Decoration construction, 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

≤