Grade 20Г2
Other Names
Corresponding Standard GOST 10702-2016
Rolled section from structural unalloyed and alloyed steel for cold bulk stamping
Classification Alloy Steel
20Г2 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo
Minimum Value 0.18 0.17 1.3 - - - - - -
Maximum Value 0.26 0.37 1.6 0.035 0.035 0.25 0.25 0.2 0.15
• The mass fraction of residual elements is allowed: tungsten (W) — not more than 0.20 % and vanadium (V) — not more than 0.05 %, as well as the addition of titanium (Ti) — not more than 0.03 %.
20Г2 Mechanical Properties
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Steel Cold-drawn 490~690
Approximate Comparison Table Structural Alloy Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
20Mn2 A00202 SMn420 SMn420 SMn420 1320
1524
22Mn6 20Mn6 1.1169 20M5 20Г2
20Г
150M19

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