38Cr2 1.7003 - DIN 1654-4-1989

38Cr2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.35	-	0.5	-	-	0.4
Maximum Value	0.42	0.4	0.8	0.035	0.035	0.6

38Cr2 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)	≤600			≥60
Steel	Cold drawing + Spheroidizing Annealing (K+GKZ)	≤580			≥62
Steel	Cold drawing + Spheroidizing annealing + Skinning (K+GKZ+K)	≤600			≥62
d≤16	Quenching and Tempering	800~950	≥550	≥14	≥35	KU: ≥29 KV: ≥35
16＜d≤40	Quenching and Tempering	700~850	≥450	≥15	≥40	KU: ≥29 KV: ≥35
40＜d≤100	Quenching and Tempering	600~750	≥350	≥17	≥45	KU: ≥29 KV: ≥35

Approximate Comparison Table structural alloy steel

38Cr2 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"!