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Grade 23MnNiCrMo5-2
Germany W-Nr. 1.6541
Corresponding Standard DIN 17115-2012
Steel for welded round link chains and chain components-Technical delivery conditions
Classification Alloy Steel
Properties Good Weldability
23MnNiCrMo5-2 Chemical Element Composition Content (%)
Component C Si ① Mn P S Cr Ni Cu Mo N Al
Minimum Value 0.2 - 1.1 - - 0.4 0.4 - 0.2 - 0.025
Maximum Value 0.26 0.25 1.4 0.02 0.015 0.6 0.7 0.2 0.3 0.012 0.05
23MnNiCrMo5-2 Mechanical Properties
diameter
d
mm		 Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Reduction of Area
ψ
% 		Hardness
HBW 		Impact Energy Absorption
KV2
J
d≤10 Quenching + Tempering (+QT) ≥1200 ≥1080 ≥12 ≥50 ≥60
10<d≤20 ≥1180 ≥1060 ≥10 ≥50 ≥60
20<d≤40 ≥1050 ≥990 ≥10 ≥50 ≥60
Chain* Processing for Cold Shearing (+S) ≤860 HV10: ≤268；HBW10:≤255
Chain Annealing (+A) ≤790 HV10: ≤247；HBW10:≤235
Chain Annealing + Cold Drawing (+A+C) ≤930 HV10: ≤289；HBW10:≤275
Chain ** Spheroidizing Annealing (+AC) ≤710 HV10: ≤221；HBW10: ≤210
Chain Spheroidizing Annealing + Cold Drawing (+AC+C) ≤800 HV10: ≤250；HBW10: ≤238

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