HB 6140.7-1987
Test method for formability of sheet metal - Hole expansion test (English Version)

Standard No.

HB 6140.7-1987

Language

Chinese, Available in English version

Release Date

1988

Published By

Professional Standard - Aviation

Latest

HB 6140.7-1987

Scope

This standard is applicable to the hole expansion test of various metal sheets with thickness ranging from 0.2 to 2.0mm to test the hole expansion or flanging formability of metal plates and strips.

HB 6140.7-1987 history

• 1988 HB 6140.7-1987 Test method for formability of sheet metal - Hole expansion test