15CrNi6 1.5919 - DIN 17115-2012

Grade	15CrNi6
Germany W-Nr.	1.5919
Corresponding Standard	DIN 17115-2012 Steel for welded round link chains and chain components-Technical delivery conditions
Classification	Alloy Steel

15CrNi6 Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Cr	Ni	Cu	N	Al
Minimum Value	0.12	-	0.4	-	-	1.35	1.35	-	-	0.025
Maximum Value	0.18	0.25	0.7	0.025	0.025	1.65	1.65	0.2	0.012	0.05

15CrNi6 Mechanical Properties

diameter d mm	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≤10	Quenching + Tempering (+QT)	≥1150	≥1035	≥12	≥50		≥60
10<d≤20		≥1100	≥990	≥10	≥50		≥60
20<d≤40		≥1050	≥845	≥10	≥50		≥60
Chain*	Processing for Cold Shearing (+S)	≤860				HV10: ≤268；HBW10:≤255
Chain	Annealing (+A)	≤701				HV10: ≤221；HBW10: ≤210
Chain	Annealing + Cold Drawing (+A+C)	≤850				HV10: ≤263；HBW10:≤250
Chain **	Spheroidizing Annealing (+AC)	≤610				HV10: ≤189；HBW10:≤180
Chain	Spheroidizing Annealing + Cold Drawing (+AC+C)	≤740				HV10: ≤233；HBW10:≤220

1 Approximate Comparison Table Hardenability Guaranteed Structural Steel

China	International Organization for Standardization	Germany	European Standard
GB	ISO	DIN EN/DIN	EN	Numerical Grade
17Cr2Ni2H	17CrNi6-6	15CrNi6	17CrNi6-6	1.5918

2 Approximate Comparison Table Structural Alloy Steel

15CrNi6 Corresponding Standards(Same grade name, different standards)

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