Home
>
Material
45Cr
Standard
GB /T 3077-1999
Alloy Structure Steels
Standard
GB /T 3077-2015
Alloy structure steels
Standard
Q/BQB 517-2018
Wire rods for cold heading
Standard
GB /T 3078-2019
Quality structural steel cold drawm bars
Standard
GB /T 37601-2019
Hot rolled steel sheet and strip of alloy structure steel
Chemical Composition
(%)
Standard
Material Designation
Chemical Composition (%)
GB /T 3077-1999
Alloy Structure Steels
45Cr
(
A20452
)
Min
Max
Q/BQB 517-2018
Wire rods for cold heading
45Cr
Min
Max
GB /T 3078-2019
Quality structural steel cold drawm bars
45Cr
Min
Max
GB /T 3077-2015
Alloy structure steels
45Cr
(
A20452
)
Min
Max
GB /T 37601-2019
Hot rolled steel sheet and strip of alloy structure steel
45Cr
Min
Max
For Reference Only