Mat.No. 1.5026, DIN 55Si7, SAE 9255

Mat.No. 1.5026, DIN 55Si7, SAE 9255

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Designation by Standards Brand Name Ravne No. Mat. No. DIN EN AISI 55SI7 583 1.5026 55Si7 55Si7 SAE 9255 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.56 1.65 0.85 - - - - - - DescriptionSpecial structural steel. ApplicationsSteel for worm and laminated springs thickness up to 7 mm for trucks and railway vehicles, safety washer plates, coiled springs.  Physical properties (avarage values) at ambient temperatureModulus of elasticity [103 x N/mm2]: 2...


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Designation by Standards

Brand Name Ravne No. Mat. No. DIN EN AISI
55SI7 583 1.5026 55Si7 55Si7 SAE 9255

Chemical Composition (in weight %)

C Si Mn Cr Mo Ni V W Others
0.56 1.65 0.85 - - - - - -

Description
Special structural steel.

Applications
Steel for worm and laminated springs thickness up to 7 mm for trucks and railway vehicles, safety washer plates, coiled springs. 

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 245.

Normalizing
Temperature: 830-860oC, air.

Hardening
Harden from a temperature of 830-860oC followed by oil quenching.

Tempering
Tempering temperature: 350-550oC, 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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