37Cr4 1.7034 - DIN 1654-4-1989

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	0.035	1.2

37Cr4 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
Steel	Spheroidizing Annealing (GKZ) or Spheroidizing Annealing + Peeling (GKZ+SH)	≤610			≥59
Steel	Cold drawing + Spheroidizing Annealing (K+GKZ)	≤590			≥61
Steel	Cold drawing + Spheroidizing annealing + Skinning (K+GKZ+K)	≤610			≥61
d≤16	Quenching and Tempering	950~1150	≥750	≥11	≥35	KU: ≥25 KV: ≥30
16＜d≤40	Quenching and Tempering	850~1000	≥630	≥13	≥40	KU: ≥29 KV: ≥35
40＜d≤100	Quenching and Tempering	750~900	≥510	≥14	≥40	KU: ≥29 KV: ≥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"!