24MnSi6 1.0450 - DIN 17115-2012 - H2ABC

中文版

Grade	24MnSi6
Germany W-Nr.	1.0450
Corresponding Standard	DIN 17115-2012 Steel for welded round link chains and chain components-Technical delivery conditions
Classification	Carbon Steel

24MnSi6 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu	N	Al
Minimum Value	0.21	0.25	1.35	-	-	-	-	0.025
Maximum Value	0.27	0.45	1.65	0.025	0.025	0.25	0.012	0.05

24MnSi6 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
d≤10	Quenching + Tempering (+QT)	≥1000	≥800	≥12	≥40
10<d≤20		≥980	≥780	≥11	≥40
20<d≤40		≥930	≥740	≥10	≥40
40<d≤63		≥900	≥720	≥9	≥40
d≥63		≥850	≥680	≥8	≥40
Chain*	Processing for Cold Shearing (+S)	≤860				HV10: ≤268；HBW10:≤255
Chain	Annealing (+A)	≤640				HV10: ≤200；HBW10:≤190
Chain	Annealing + Cold Drawing (+A+C)	≤810				HV10: ≤263；HBW10:≤250

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