Mat.No. 1.7176, DIN 55Cr3, AISI 5155H

Mat.No. 1.7176, DIN 55Cr3, AISI 5155H

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Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI 55CR3 196 1.7176 55Cr3 - 5155H Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.55 0.38 0.90 0.85 - - - - - DescriptionSpecial structural steel. ApplicationsLaminated springs for trucks to 16 mm thickness, torsional and coiled springs for special designs.  Physical properties (avarage values) at ambient temperatureModulus of elasticity [103 x N/mm2]: 210 Density [g/cm3]: 7.80 Soft...


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Designation by Standards

Brand Name Ravne No. Mat. No. DIN EN AISI
55CR3 196 1.7176 55Cr3 - 5155H

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.55 0.38 0.90 0.85 - - - - -

Description
Special structural steel.

Applications
Laminated springs for trucks to 16 mm thickness, torsional and coiled springs for special designs. 

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [103 x N/mm2]: 210 
Density [g/cm3]: 7.80

Soft Annealing
Heat to 640-680oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 310.

Normalizing
Temperature: 850-880oC, air.

Hardening
Harden from a temperature of 780-810oC followed by oil quenching.

Tempering
Tempering temperature: 430-500oC, air.

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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