Sitted Coil

CR

0.25-3

25-1600

13

HR

2.0-6.0

35-1800

20

Surface Finish

Definition

Application

2B

Those finished, after cold rolling, by heat treatment, pickling or other equivalent treatment and lastly by cold rolling to given an 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 abrasive 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

No.1

The surface finished by heat treatment and picking or processes corresponding there to after hot rolling

Chemical tank, pipe