GB /T 1222-2007 Spring Steels
|
65
(U20652)
|
|
GB /T 699-1999 Quality Carbon Structural Steels
|
65
(U20652)
(65#)
|
|
GOST 14959-1979 CARBONACEOUS AND ALLOYED SPRING ROLLED STEEL SPECIFICATIONS
|
65
|
|
GB /T 699-2015 Quality carbon structure steels
|
65
(U20652)
|
|
GB /T 1222-2016 Spring steels
|
65
(U20652)
|
|
GB /T 3078-2019 Quality structural steel cold drawm bars
|
65
(65#)
|
|
GB /T 711-2017 Hot-rolled quality carbon structural steel plates sheets and strips
|
65
(65#)
|
|
GB /T 13237-2013 Cold rolled quality carbon sturctural steel sheets and strips
|
65
|
|
GB 3522-1983 Cold-rolled quality carbon structural steel strips
|
65
|
|