C30E - ISO 683-1-2016

Grade	C30E
Corresponding Standard	ISO 683-1-2016 Non-alloy steels for quenching and tempering
Classification	Carbon Steel

C30E 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	0.025	0.035	0.4	0.4	0.3	0.1	Cr+Mo+Ni≤0.63

C30E Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Impact Energy Absorption KV2 J
d≤16 or t≤8	600~750	≥400	≥18	≥30
16＜d≤40 or 8＜t≤20	550~700	≥350	≥20	≥30
Round products d≤63, flat products d≤35	500~650	≥300	≥21	≥30

Approximate Comparison Table

China	Japan	International Organization for Standardization
GB	JIS	ISO
30	S30C	C30E

C30E Corresponding Standards(Same grade name, different standards)

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