DIN 15CrMo5)

DIN 15CrMo5)

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Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI 16CD4 740 - (15CrMo5) - - Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.16 max. 0.40 0.73 1.10 0.25 max. 0.30 - - - DescriptionAlloy special structural steel. Cr-Mo-steel with < 0,35% Mo. ApplicationsHigh wear resistant parts, e.g., gears, driving gears, bolts, pins, bushings, screws, etc. Physical properties (avarage values) at ambient temperatureModulus of elasticity [103 x N/mm2]: ...


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Designation by Standards

Brand Name Ravne No. Mat. No. DIN EN AISI
16CD4 740 - (15CrMo5) - -

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.16 max. 0.40 0.73 1.10 0.25 max. 0.30 - - -

Description
Alloy special structural steel. Cr-Mo-steel with < 0,35% Mo.

Applications
High wear resistant parts, e.g., gears, driving gears, bolts, pins, bushings, screws, etc.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 
Density [g/cm3]: 7.86

Coefficient of Linear Thermal Expansion 10-6 oC-1

20-100oC 20-200oC 20-300oC 20-400oC 20-500oC
9.8 11.3 11.8 12.5 12.5

Continuous Cooling Transformation (CCT) Diagram


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Time-Temperature Transformation (TTT) Diagram


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Soft Annealing
Heat to 680-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 207.

Treated to Hardness Range
Temperature: 850-950oC.

Treated Ferrite-Pearlite Microstructure and Hardness Range
Temperature: 900-1000oC.

Carburise
1. 840-880oC, salth bath 580-680oC.
2. 840-880oC, air.
3. 840-880oC, case hardening box.
4. 840-880oC, water or oil.

Core Hardening
Temperature: 820-850oC.

Surface Hardening
Temperature: 810-830oC, hot quenching, 810-830oC, oil.

Intermediate Annealing
Temperature: 650-680oC.

Tempering
Tempering temperature: 150-180oC.

Forging
Hot forming temperature: 1050-850oC. 

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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