37Cr4 1.7034 - DIN 17200-1987

37Cr4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.34	-	0.6	-	-	0.9
Maximum Value	0.41	0.4	0.9	0.035	0.03	1.2

37Cr4 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
All Sizes	Shearable condition (C)					≤255
All Sizes	Softening Annealing (G)					≤235
d≤16	Quenching and Tempering (V)	950~1150	≥750	≥11	≥35		ISO-V ≥30
16<d≤40	Quenching and Tempering (V)	850~1000	≥630	≥13	≥40		≥35
40<d≤100	Quenching and Tempering (V)	750~900	≥510	≥14	≥40		≥35

Approximate Comparison Table structural alloy steel

China	Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia	Sweden	United Kingdom
GB	JIS	ASTM	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	SS	BS EN/BS
35Cr	SCr435H	Gr.5135	37Cr4	37Cr4	1.7034	37Cr4 38C4	37Cr4	1.7034	38KHA 40KH	2245	530A36 530M36

37Cr4 Corresponding Standards(Same grade name, different standards)

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