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Mat.No. 1.1157/DIN 40Mn4/AISI 1035

Non alloy special sructural steel.
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  • Mat.No. 1.1157/DIN 40Mn4/AISI 1035

  • Osaka

Non alloy special sructural steel.


Designation by Standards

Mat. No.DINENAISI
1.115740Mn4-1035


Chemical Composition (in weight %)

CSiMnCrMoNiVWOthers
0.400.380.95------


Applications 

Quenched and subsequently tempered steel for vehicle and engine components, crankshafts for vehicle construction and diesel engines, gear shafts. 


Physical properties (average 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 in furnace. This will produce a maximum Brinell hardness of 217.

Normalizing

Normalizing temperature: 850-880oC.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx. 129-200oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment. 

Hardening 

Harden from a temperature of 830-860, 820-850oC followed by oil or water quenching. Hardness after quenching is 53-59 HRC. 

Tempering
Tempering temperature: 480-650oC. 

Forging
Hot forming temperature: 1100-850oC.  


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 purposes. There is no representation that the recipient of this literature will receive updated editions as it becomes available. Unless otherwise specified, registered trademarks are property of Metal Ravne company. Copyright 2015 by Metal Ravne. All rights reserved. Contact our Sales Office for more information.


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