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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 with 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 Hardenability Guaranteed Structural Steel
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 Hardenability Guaranteed Structural Steel
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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