Standard

ASTM A213,ASTM A312,ASTM A789,ASTM    A790

Material    Grade

201/202/304/316/S31803/S32750

Outer    Diameter

0.1mm--219.1mm

Thickness

0.05mm - 20mm

Length

=12000mm or as per 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

Pickling

Application

Decoration ,( Processed    into  railings, handrails, doors and Windows ),medical,industry,etc

Packaing

Plastic bag/woven packing(please    send details packing to us if you have other requirements)

Chemical    composition

Element

201

202

304

316

S31803

S32750

C

=0.15

=0.15

=0.08

=0.08

=0.030

=0.030

Si

=1.00

=1.00

=1.00

=1.00

=1.00

=0.80

Mn

5.5-7.5

7.5-10.0

=2.00

=2.00

=2.00

=1.20

P

=0.060

=0.060

=0.045

=0.045

=0.030

=0.035

S

=0.030

=0.030

=0.030

=0.030

=0.020

=0.020

Cr

16-18

17-19

18-20

16-18

21-23

21-23

Ni

3.5-5.5

4.0-6.0

42958

43022

4.5-6.5

6.0-8.0

Mo

2.0-3.0

2.5-3.5

3.0-5.0

N

=0.25

=0.25

0.08-0.2

0.24-0.32

Cu

=0.50

Mechanical    properties

Material Item

201

202

304

316

S31803

S32750

Tensile Strength (MPa)

=655

=620

=515

=515

=620

=800

Yield Strength (MPa)

=260

=310

=205

=205

=450

=550

Elongation (%)

=35

=35

=35

=35

=25

=15

Hardness (HV)

=230

=230

=200

=200

=303

=323