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Grade 37MnSi 5
Germany W-Nr. 1.5122
Classification Alloy Steel
Properties Hardness Quench Hardness
37MnSi 5 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.33 1.1 1.1 - -
Maximum Value 0.41 1.4 1.4 0.035 0.035
37MnSi 5 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Impact Energy Absorption
KV2
J
≤16 Quenching and Tempering 980~1180 ≥785 ≥11 ≥30
>16~40 Quenching and Tempering 880~1030 ≥635 ≥12 ≥35
>40~100 Quenching and Tempering 780~930 ≥540 ≥14 ≥40
1 Approximate Comparison Table Structural Alloy Steel
China Germany France Russia United Kingdom
GB ISC DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
35SiMn
42SiMn 		A10352
A10422 		37MnSi5
46MnSi4 		1.5122
1.5121 		38MS5
41S7 		35СГ
42СГ 		(En46)
2 Approximate Comparison Table Cast Steel
China Japan Germany Russia
GB JIS DIN EN/DIN W-Nr. GOST
ZG35SiMn SCSiMn2 GS-37MnSi5 1.5122 35СГЛ

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