Cm30 1.1179 - DIN 17200-1987 - H2ABC

中文版

Grade	Cm30
Germany W-Nr.	1.1179
Corresponding Standard	DIN 17200-1987
Classification	Carbon Steel

Cm30 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.27	-	0.5	-	0.02
Maximum Value	0.34	0.4	0.8	0.035	0.035

Cm30 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW	Impact Energy Absorption KV2 J
Steel; All Sizes	Softening Annealing (G)					≤170
Steel; d≤16	Quenching and Tempering (V)	600~750	≥400	≥18	≥40		ISO-V ≥40
Steel; 16<d≤40	Quenching and Tempering (V)	550~700	≥350	≥20	≥45		≥40
Steel; 40<d≤100	Quenching and Tempering (V)	500~650	≥300	≥21	≥50		≥40
Flat steel; d≤16	Normalizing (N)	450~630	≥280		Longitudinal ≥23
Flat steel; 16<d≤100	Normalizing (N)	450~630	≥250		≥23
Flat Steel; 100<d≤160	Normalizing (N)	430~610	≥230		≥21

New and Old Grade Replacement List

Corresponding Standard	Grade
DIN 17200-1987	Grade Germany W-Nr.
DIN EN ISO 683-1-2018	Grade

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