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Grade 30Cr
Corresponding Standard GB /T 37601-2019
Hot Rolled Steel Sheet and Strip of Alloy Structure Steel
Classification Alloy Steel
30Cr Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.27 0.17 0.5 - - 0.8 - - -
Maximum Value 0.34 0.37 0.8 0.03 0.02 1.1 0.3 0.3 0.1
30Cr Mechanical Properties
product Heat Treatment or Condition
Hardness
HBW
Steel plate, steel strip Spheroidizing Annealing ≤187
Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
30Cr A20302 SCr430 SCr430 SCr430 5130 G51300 28Cr4 1.7030 32C4 30Х 530A30
30Cr Corresponding Standards(Same grade name, different standards)
1 GB /T 3077-1999
30Cr A20302
2 GB /T 17107-1997
30Cr
3 GB /T 3077-2015
30Cr A20302
4 GJB 1220A-2008
30Cr
5 GB /T 3078-2019
30Cr
6 GB /T 37601-2019
30Cr
7 GB /T 11251-2020
30Cr A20302

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!