Meaning of Japanese stainless steel grade SUS

The first letter S is Steel,

The second letter U is Use, (Special Use);

The third letter S is Steinless,

The steel grades behind SUS are made according to American AISI

The steel grade is composed of three digits: the first digit represents the type of steel, and the other two digits represent the sequence number.

The specific number series are:

2XX - Chromium Manganese Nickel Nitrogen Austenitic Steel.

3XX - Nickel Chromium Austenitic Steel.

4XX- High Chromium Martensite and Low Carbon High Chromium Ferrite steel.

 In order to distinguish the above categories, add a suffix after the number, expressed in English letters, mainly including:

B：Bar，

HP：Hot Plate

CP：Cold Plate

HS：Hot Strip

CS：Cold Strip

WR：Wire

TP：Tube Pipes

TB：Boiler Heat Exchange Tube

L：Low Carbon

N：Nitrogen

J: Japan （Indicates the unique steel grade of Japan）

The above is the meaning and expression method of stainless steel SUS brand