2B

Those finished, after cold rolling, by heat treatment, 

pickling or other equivalent

 treatment and lastly by cold rolling to given appropriate luster.

Medical equipment, 

Food industry, 

Construction 

material, Kitchen

 utensils.

BA

Those processed with bright heat treatment after cold rolling.

Kitchen utensils, 

Electric equipment,

 Building construction.

NO.3

Those finished by polishing with No.100 to No.120 

abrasives specified in JIS R6001.

Kitchen utensils,

 Building construction.

NO.4

Those finished by polishing with No.150 to No.180

 abrasives specified in JIS R6001.

Kitchen utensils, 

Building construction,

 Medical equipment.

HL

Those finished polishing so as to give continuous polishing streaks 

by using abrasive of suitable grain size.

Building Construction.

C

Si

Mn

Cr

Ni

S

P

≤0.08

≤1.0

≤2.0

16.0 ~ 18.53

10.0~14.0

≤0.03

≤0.035