GRADE

304

SURFACE

Cold Rolled :2B/NO.4/HL/BA/8K 

WIDTH(mm)

1000mm ,1219mm ,1250mm ,1500mm ,

1600mm ,1800mm,2000mm ,2500mm  etc.

THICKNESS(mm)

 Cold Rolled :0.3mm,0.4mm,0.5mm,0.6mm,

0.7mm,0.8mm,0.9mm,1.0mm,1.2mm,1.5mm,2.0mm,2.5mm,3.0mm

Hot rolled :3.0mm ,4.0mm,5.0mm,6.0mm,8.0mm,10.0mm,12.0mm,

14.0mm,16.0mm,18.0mm,20.0mm,22.0mm,25.0mm,28.0mm,30.0mm,32.0mm,35.0mm,38.0mm,40.0mm etc.

LENGTH(mm)

According to customer requirements

304  Chemical   Composition

C

Si

Mn

Cr

Ni

S

P

≤0.07

≤1.0

≤2.0

17.0~19.0

8.0~11.0

≤0.03

≤0.035

Mechanical properties

Heat Treatment

Yield strength(N/mm2)

Tensile strength

Elongation(%)

Hardness

HB

HRB

HV

304

S

≥205

≥520

≥40

≤187

≤90

≤200

Surface finish

Characteristics and application

NO.2B

The surface brightness and flatness of no2B is better than no2D. 

then through a special surface treatment to improve its mechanical 

properties,No2B could nearly satisfy comprehensive uses.

NO.3

Polished with abrasive belt of git#100-#200, have better brightness 

with discontinuous coarse stria, used as inner and external ornaments

 for building, electrical appliances and kitchen utensils etc.       

NO.4

Polished with abrasive belt of grit #150-#180,have better brightness 

with discontinuous coarse stria,but thinner than No3, are used as 

bathtub buildings inner and external ornaments electrical appliances

 kitchen utensils and food processing equipment etc.

HL

Polished with abrasive belt of grit #150-#320 on the NO.4 finish and

 has continuous streaks, mainly used as buildings ornaments elevators,

door of building, frontal plate etc.

BA

Cold rolled, bright annealed and skin-passed, the product have excellent 

brightness and good reflexivity like mirror,kitchen apparatus,ornament etc.

8K

The product have excellent brightness and prefer reflexivity can to be the mirror.