Seamless 321 Hairline Polished Stainless Steel Tube mirror finish steel pipes

Name

321 Polished Stainless Steel Tube

Standard

ASTM A554/A270/A312/A249/A269 ETC

Material Grade

321

Outer Diameter

10mm--57mm

Wall Thickness

1mm - 5mm

Length

2-12m or as customer request

Tolerance

a) Outer Diameter:   0.2mm

b) Thickness:  10% OR as customer request

c) Length:  10mm

Surface

Satin / Hairline :180#, 320#

Polish : 400# ,600# ,800# or  Mirror surface

Application

condenser boiler cooler muffler heat exchanger                                    

Productivity

6000T/W

PACKING 

In bundles or according to requirements of customers

Delivery

7-25 days

TYPE NO.

C

Mn

P

S

Si

Cr

Ni

%

%

%

%

%

%

%

201

≤ 0.15

5.5-7.5

≤ 0.050

≤ 0.03

≤ 1.00

16.0-18.0

3.5-5.5

202

≤ 0.15

7.5-10

≤ 0.060

≤ 0.03

≤ 1.00

17.0-19.0

4.0-6.0

301

≤ 0.15

≤ 2

≤ 0.045

≤ 0.03

≤ 1.00

16.5-18.0

6.0-8.0

302

≤ 0.15

≤ 2

≤ 0.045

≤ 0.03

≤ 1.00

17.0-19.0

8.0-10.0

304

≤ 0.08

≤ 2

≤ 0.045

≤ 0.03

≤ 1.00

18.0-20.0

8.0-10.5

304L