Mat.No. 1.7149, DIN 20MnCrS5, AISI 4820)
Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI 20MNCRS5 780 1.7149 20MnCrS5 - 4820 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.19 max. 0.40 1.25 1.15 - - - - - DescriptionAlloyed carbon steel. ApplicationsHigher stressed components – gears, cranks, crankschafts, switch components, etc. Physical properties (avarage values) at ambient temperatureModulus of elasticity [103 x N/mm2]: 210 Density [g/cm3]: 7.85 Soft Anne...
Designation by Standards
|Brand Name||Ravne No.||Mat. No.||DIN||EN||AISI|
Chemical Composition (in weight %)
Alloyed carbon steel.
Higher stressed components – gears, cranks, crankschafts, switch components, etc.
Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210
Density [g/cm3]: 7.85
Heat to 650-700oC, cool slowly. This will produce a maximum Brinell hardness of 217.
880-980 oC, water, oil, air, hot quenching 150-250oC or case hardening box.
Tempertaure: 720-820oC, oil, water or hot quenching.
Tempering temperature: 150-200oC.
Hot forming temperature: 1150-850oC.
Forms manufactured: Please see the Dimensional Sales Program.
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.