GB /T 699-1999
Quality Carbon Structural Steels
|
65Mn
(U21652)
|
|
GB /T 1222-2007
Spring Steels
|
65Mn
(U21653)
|
|
GB /T 699-2015
Quality carbon structure steels
|
65Mn
(U21652)
|
|
GB /T 4358-1995
Carbon spring steel wire for significant use
|
65Mn
(U21652)
|
|
GB /T 1222-2016
Spring steels
|
65Mn
(U21653)
|
|
YB /T 5058-2005
Cold-rolled spring and tool steel strips
|
65Mn
|
|
GB 3525-1983
Cold-rolled spring and steel strips
|
65Mn
|
|
GB /T 3078-2019
Quality structural steel cold drawm bars
|
65Mn
|
|
|
Q/ASB 84-2019
|
65Mn
|
|
GB /T 711-2017
Hot-rolled quality carbon structural steel plates sheets and strips
|
65Mn
|
|
HB /Z 136-2000
Heat treatment process of aviation structural steel
|
65Mn
|
|
