Finish

Thickness

Characteristics

Applications

No. 1

3.0mm~50.0mm

Finished by hotrolling, annealing and pickling, 

characterized by white pickled surface

Chemical industry equipment, 

Industrial tanks

No. 2B

0.3mm~6.0mm

Finished by heat treatment, pickling after 

cold rolling, followed by skin pass line to be 

more brighter and smooth surface

General Application Medical 

Instruments,Tableware

No. BA
(Bright Annealed)

0.5mm~2.0mm

Bright heat treatment after cold rolling

Kitchen utensil, 

kitchen ware,

architectural purpose

No. 4

0.4mm~3.0mm

Polishing with No. 150 to No.180 

mesh abrasivesThe most popular finishes

Milk & Food processing acilities, 

Hospital Equipment, Bath-tub

No. 8

0.5mm~2.0mm

A mirror-like reflective surface 

by polishing with finer abrasives over 800 

mesh

Reflector, Mirror, Interior-Exterior decoration forbuilding

HL(Hair Line)

0.4mm~3.0mm

Finished by continuous linear polishing

Architectural purposes, 

escalators, kitchen ware vehicles

GRADE

C

Mn

Si

P

S

Cr

Ni

Cu

304

0.04-0.06

1.0-1.2

0.25-0.45

≤0.40

18.1~18.5

8~8.2

≤0.50

409L

≤0.08

≤1

≤1

≤0.05

≤0.03

10.5-11.75

-

410

≤0.15

≤1

≤1

≤0.04

≤0.03

11.5-13.5

≤0.75

-

430

≤0.12

≤1

≤0.75

≤0.04

≤0.03

16-18

≤0.75

-

201 High Cu

≤0.15

5.5-7.5

≤0.75

≤0.06

≤0.03

13.5-15.0

1.2-1.5

1.4-1.5

201 Half Cu

≤0.15

5.5-7.5

≤0.75

≤0.06

≤0.03

13.5-15.0

1.2-1.5

0.8-1.0