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Home Material GB /T 3078-2019
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Grade 45Cr
Corresponding Standard GB /T 3078-2019
Quality Structural Steel Cold Drawm Bars
Classification Alloy Steel
45Cr Mechanical Properties
condition Heat Treatment or Condition
Hardness
HBW
Delivery condition Annealing, Bright Annealing, High-Temperature Tempering or Normalizing and Tempering ≤229
Delivery condition Cold Drawing, Cold Drawing and Polishing ≤269
1 Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States France European Standard Russia
GB ISC CNS JIS KS ASTM/AISI UNS NF EN/NF EN GOST
45Cr A20452 SCr445 SCr445 SCr445 5145 G51450 45C4 41Cr4 45Х
2 Approximate Comparison Table Structural Alloy Steel
China International Organization for Standardization Germany European Standard
GB ISO DIN EN/DIN EN
45Cr 46Cr2 46Cr2 46Cr2
45Cr Corresponding Standards(Same grade name, different standards)
1 GB /T 3077-1999
45Cr A20452
2 GB /T 3077-2015
45Cr A20452
3 Q/BQB 517-2018
45Cr
4 GB /T 3078-2019
45Cr
5 GB /T 37601-2019
45Cr

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