ALLOY STEEL
20MnCr5//20MnCr5-Steel
Biggest & leading Supplier & Stockiest of 20Mncr5 Steel. 20MnCr5 is used for materials with a required core tensile strength of 1000 – 1300 N/mm² and just right carrying resistance as boxes, piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling materials
Steel Properties
20MnCr5 is used for materials with a required core tensile strength of 1000 – 1300 N/mm² and just right carrying resistance as boxes, piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling materials.
Physical Properties
Thermal Conductivity at °C |
20 |
350 |
700 |
W/(m*K) |
11.7 |
12.8 |
13.5 |
Application
Alloyed case hardening steel for parts with a required core tensile strength of 1000 – 1300 N/mm² and good wearing resistance as boxes, piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling parts.
Heat Treatment
Soft annealing °C |
Cooling |
Hardness HB |
750-780 |
Furnace |
max. 218 |
Stress-relief annealing °C |
Cooling |
550-600 |
Furnace |
1st pre-heating °C |
2nd and 3rd |
Hardening °C |
Quenching |
Tempering °C |
Hardness after Teperature HRC |
up to approx. 400 in an air-circulating furnace |
740 and 840 |
780-820 |
810 °C Oil ,Quench |
at least twice 150-200 |
60 – 62 |