42Cr 4 1.7045 - DIN 17212-1972

42Cr 4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.38	0.15	0.5	-	-	0.9
Maximum Value	0.44	0.4	0.8	0.025	0.035	1.2

42Cr 4 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
d≤16	Quenching and Tempering (V)	980~1180	≥780	≥11	≥40		≥35
16<d≤40	Quenching and Tempering (V)	880~1080	≥670	≥12	≥45		≥42
40<d≤100	Quenching and Tempering (V)	780~930	≥560	≥14	≥50		≥42
	Softening Annealing (G)					HB30 ≤217

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