Mat.No. 1.7147, DIN 20MnCr5)

Mat.No. 1.7147, DIN 20MnCr5)

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Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI 20MC5 203 1.7147 20MnCr5 - - Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.19 max. 0.10 1.15 1.25 - max. 0.30 - - - 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 Ann...


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Designation by Standards

Brand Name Ravne No. Mat. No. DIN EN AISI
20MC5 203 1.7147 20MnCr5 - -

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.19 max. 0.10 1.15 1.25 - max. 0.30 - - -

Description
Alloyed carbon steel.

Applications
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

Soft Annealing
Heat to 650-700oC, cool slowly. This will produce a maximum Brinell hardness of 217.

Carburizing
880-980 oC, water, oil, air, hot quenching 150-250oC or case hardening box.

Core hardening
Temperature: 860-900oC.

Surface hardening
Tempertaure: 720-820oC, oil, water or hot quenching.

Tempering
Tempering temperature: 150-200oC.

Forging
Hot forming temperature: 1150-850oC. 

Machinability
No data.

Forms manufactured: Please see the Dimensional Sales Program. 

Disclaimer
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.

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