15CrMoV5-9 1.8521 - DIN 17211-1987

Grade	15CrMoV5-9
Germany W-Nr.	1.8521
Corresponding Standard	DIN 17211-1987 Nitriding Steels Technical Delivery Conditions
Classification	Alloy Steel

15CrMoV5-9 Chemical Element Composition Content (%)

Component	C	Mn	P	S	Cr	Mo	V
Minimum Value	0.13	0.8	-	-	1.2	0.8	0.2
Maximum Value	0.18	1.1	0.025	0.03	1.5	1.1	0.3

15CrMoV5-9 Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW	Impact Energy Absorption KV2 J
d≤100	Tempering	900~1100	≥750	≥10	Annealed state, HB ≤248; Tempered state, HV: 800	DVM，35J；ISO-V, 30J
100<d≤250	Tempering	850~1050	≥700	≥12	Annealed state, HB ≤248; Tempered state, HV: 800	DVM，40J；ISO-V, 35J

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