G20Mn5 1.6220 - EN 10340-2007

Grade	G20Mn5
European Standard Steel Grade	1.6220
Corresponding Standard	EN 10340-2007 Steel castings for structural uses
Classification	Cast Steel

G20Mn5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^*	Cr	Ni	Cu	Mo	V	More
Minimum Value	0.17	-	1	-	-	-	-	-	-	-	Cr+Mo+Ni+V≤1
Maximum Value	0.23	0.6	1.6	0.02	0.02	0.3	0.8	0.3	0.12	0.03	Cr+Mo+Ni+V≤1

G20Mn5 Mechanical Properties

thickness t mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
t≤30	Normalizing (+N)	500~650	≥300	≥20	≥50 (room temperature); ≥27 (-30°C)
t≤100	Quenching and Tempering (+QT)	500~650	≥300	≥22	≥60 (room temperature); ≥27 (-40°C)

Approximate Comparison Table Cast Steel

G20Mn5 Corresponding Standards(Same grade name, different standards)

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