C30 - DIN EN ISO 683-1-2018

Grade	C30
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

C30 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	More
Minimum Value	0.27	0.1	0.5	-	-	-	-	-	-	Cr+Mo+Ni≤0.63
Maximum Value	0.34	0.4	0.8	0.045	0.045	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C30 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
d≤16; t≤8	Quenching and Tempering	600~750	≥400	≥18
16＜d≤40；8＜t≤20	Quenching and Tempering	550~700	≥350	≥20
40＜d≤100；20＜t≤60	Quenching and Tempering	500~650	≥300	≥21
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

Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia	United Kingdom
GB	JIS	SAE	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
30	S30C	1030	C30 C30E4	C30 Ck30	1.0528	AF50C30 XC32	C30	1.0528	30	080M32 En5

C30 Corresponding Standards(Same grade name, different standards)

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