201 stainless steel welded pipe polished outside , 201 mirror polished SS square pipe

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%),

Outer Diameter

8mm-250mm or as your requirement

Thickness

0.15mm - 30mm or as your requirement

Length

2.5m-- 8m 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
As your request

 
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

Delivery time

A. 7 days if this goods is stock goods.
B. 30 days if this goods will be produced after order