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4140 PH / 4142 PH
Decarb Free Rounds
DCF 18"
Imperial Diameters in inch
Standard values
Working hardness:
27 HRC (delivery condition) - 48 HRC
Delivery condition:
max. 380 HB
Chemical composition in %
0.380000
0.380.450000
0.450.000000
00.400000
0.40.600000
0.60.900000
0.90.000000
00.035000
0.0350.000000
00.035000
0.0350.900000
0.91.200000
1.20.150000
0.150.300000
0.3Technical properties
Heat-treatable steel (tempered condition) that can be used for a wide range of applications with a high degree of strength and toughness. Often used for demanding applications in automotive engineering. In quenched and tempered condition it is used in machine construction.
Applications
mechanical engineering, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts