QB/T 3538-1999
General specification for steel forgings for sewing machines (English Version)

Standard No.

QB/T 3538-1999

Language

Chinese, Available in English version

Published By

Professional Standard - Light Industry

Latest

QB/T 3538-1999

Scope

This standard applies to steel forgings in the sewing machine manufacturing industry. It is a general requirement for free forging and hot die forging ordinary carbon structural steel, high-quality carbon structural steel and low alloy structural steel forgings.

QB/T 3538-1999 history

• 1970 QB/T 3538-1999 General specification for steel forgings for sewing machines