GB /T 1222-2016 Spring steels
|
70
(U20702)
|
|
GB /T 699-1999 Quality Carbon Structural Steels
|
70
(U20702)
(70#)
|
|
GOST 14959-1979 CARBONACEOUS AND ALLOYED SPRING ROLLED STEEL SPECIFICATIONS
|
70
|
|
GB /T 699-2015 Quality carbon structure steels
|
70
(U20702)
|
|
GB /T 4358-1995 Carbon spring steel wire for significant use
|
70
(U20702)
|
|
GB /T 711-2017 Hot-rolled quality carbon structural steel plates sheets and strips
|
70
(70#)
|
|
GB /T 13237-2013 Cold rolled quality carbon sturctural steel sheets and strips
|
70
|
|
GB 3522-1983 Cold-rolled quality carbon structural steel strips
|
70
|
|
GB /T 4354-2008 Hot rolled quality carbon steel wire rods
|
70
(U20702)
(70#)
|
|