专家解读视频
Defines a procedure for determining the hardenability of steel by end quenching (Jominy test) by using a test piece 100mm in length and 25mm in diameter.
Supersedes NBN A 11 181 (10/2003)
SN EN ISO 642:1999 - Identical
BS EN ISO 642:1999 - Identical
DIN EN ISO 642 (2000-01) - Identical
ONORM EN ISO 642:2000 - Identical
NF EN ISO 642:1999 - Identical
UNI EN ISO 642:2003 - Identical
I.S. EN ISO 642:2000 - Identical
NS EN ISO 642 Ed. 1 (2000) - Identical
UNE EN ISO 642:2000 - Identical
ISO 642:1999 - Identical
SS EN ISO 642 Ed. 1 (1999) - Identical
NEN EN ISO 642:1999 - Identical
