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Home Material GB /T 5216-2014
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Grade 20CrMnH
China ISC A22205
Corresponding Standard GB /T 5216-2014
Structural Steels Specified Hardenability Bands
Classification Alloy Steel
20CrMnH Chemical Element Composition Content (%)
Component C Si ③ Mn P S ① Cr Ni ② Cu ② O
Minimum Value 0.17 - 1.1 - - 1 - - -
Maximum Value 0.22 0.37 1.4 0.03 0.035 1.3 0.3 0.25 0.002
20CrMnH Mechanical Properties
Heat Treatment or Condition
Hardness
HBW
Annealing or High-Temperature Tempering ≤217
1 Approximate Comparison Table structural alloy steel
China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia
GB ISC JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST
20CrMn
20CrMnH 		A22202 SMnC420 SMnC420 5120 G51200 20MnCr5 20MnCr5 1.7147 20MC5 20MnCr5 1.7147 20ХГ
2 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
20CrMnH A22205 SMnC420H SMnC420H SMnC420H 5120H H51200 20MnCr5H 20MnCr5 1.7147 20MnCr5 18ХГ 20MnCr5
3 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
20CrMnH A30205 SCM420H SCM420H SCM420H 4118H H41180 18CrMo4H 18CrMo4 1.7243 18CrMo4
(20CD4) 		20ХМ 18CrMo4
20CrMnH Corresponding Standards(Same grade name, different standards)
1 GB /T 5216-2004
20CrMnH A22205
2 GB /T 5216-2014
20CrMnH A22205

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