20MnCr5 - UNI 8550-1984

Grade	20MnCr5
Corresponding Standard	UNI 8550-1984 Specification unalloyed and alloyed steel finished products, open die and drop forged, for case hardening - Qualities, requirements and tests
Classification	Alloy Steel

20MnCr5 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.17	0.15	1.1	-	-	1
Maximum Value	0.22	0.4	1.4	0.035	0.035	1.3

20MnCr5 Mechanical Properties

thickness/diameter t/d mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
d≤11	1225~1570	≥930	≥7	KCU ≥17.5
11<d≤25	930~1225	≥685	≥8	≥20
25<d≤50	785~1080	≥540	≥9	≥25

20MnCr5 Corresponding Standards(Same grade name, different standards)

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