C30R - DIN EN ISO 683-1-2018

Grade	C30R
Corresponding Standard	DIN EN ISO 683-1-2018 Heat-treatable steels,alloy steels and free-cutting steels--Part 1: Non-alloy steels for quenching and tempering
Classification	Carbon Steel

C30R Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.27	0.1	0.5	-	0.02	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.34	0.4	0.8	0.025	0.04	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C30R Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
d≤16; t≤8	Quenching and Tempering	600~750	≥400	≥18	≥30
16＜d≤40；8＜t≤20	Quenching and Tempering	550~700	≥350	≥20	≥30
40＜d≤100；20＜t≤60	Quenching and Tempering	500~650	≥300	≥21	≥30
d≤16；t≤16	Normalizing (N)	≥510	≥280	≥20
16<d≤100；16＜t≤100	Normalizing (N)	≥480	≥250	≥21
100<d≤250；100＜t≤250	Normalizing (N)	≥460	≥230	≥21

New and Old Grade Replacement List

C30R Corresponding Standards(Same grade name, different standards)

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