Stainless steel wire manufacturer

Stainless steel wire manufacturer

Product Details

International stainless steel marking method

The American Iron and Steel Institute uses three digits to indicate various standard grades of forgeable stainless steel. among them:

①Austenitic stainless steel is marked with 200 and 300 series numbers, for example, some of the more common austenitic stainless steels

It is marked with 201, 304, 316, and 310.

②Ferritic and martensitic stainless steels are represented by numbers in the 400 series.

③Ferritic stainless steel is marked with 430 and 446, and martensitic stainless steel is marked with 410, 420 and 440C

Remember, dual phase (austenite-ferrite),

④Stainless steel, precipitation hardening stainless steel and high alloys with iron content less than 50% are usually named by patent names or trademarks.

4). Standard classification and classification

4-1 Classification:

①National standard GB ②Industry standard YB ③Local standard ④Enterprise standard Q/CB

4-2 Classification:

①Product standard②Packaging standard③Method standard④Basic standard