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Chemical Composition

C(%)

Cr(%) 

Ni(%)

Mn(%) 

Cu(%)

≤0.15 

13.5-16

0.50-1.50

8.00-10.00

≤1.60

Mechanical Properties

Tensile strength(N/mm²)

Elongation

Hardness

HB

HRB

HV

≥800

≥40 

≤241

≤100 

≤240

     Surface Introduction

Surface

Definition

Application

No.1

The surface finished by heat treatment and pickling or 

processes corresponding there to after hot rolling.

Chemical tank, pipe.

2B(No.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.

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.

BA(No.6)

Those processed with bright heat treatment after cold rolling.

Kitchen utensils, Electric equipment, 

Building construction.

  Mirror(No.8) 

The product is continuous processed with 

1000# abrasive thus it is with high gloss 

and reflection properties.

Construction,mirrors,plate sets,

decoration,elevators.