Cf70 1.1249 - DIN 17212-1972

Grade	Cf70
Germany W-Nr.	1.1249
Corresponding Standard	DIN 17212-1972 Flame and Induction Hardening Steels; Qualify Specifications
Classification	Carbon Steel

Cf70 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S
Minimum Value	0.68	0.15	0.2	-	-
Maximum Value	0.75	0.35	0.35	0.025	0.035

Cf70 Mechanical Properties

diameter d mm	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
d≤16	Quenching + Tempering (V)	780~930	≥560	≥11	≥25
16＜d≤40	Quenching + Tempering (V)	740~880	≥480	≥13	≥30
	Softening Annealing (G)					≤223

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!