BS 709 M 40
PREMIUM 1.7227
AISI / SAE 4140

SPECIFICATIONS:

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Technical datasheet (PDF) Technical datasheet
€co-Präz® 500 €co-Präz
-flat-
500 mm  
           
Steel Guide Information in the STEEL GUIDE
Alternatives in the STEEL GUIDE
       
   
Standard values to PREMIUM 1.4034 Standard values
Chemical designation: 42CrMoS4
Working hardness: 27-48 HRC
hardness (deliv. cond.): max. 217 HB

Chemical composition

C Si Mn P S Cr Mo
0,38 0 0,6 0 0,02 0,9 0,15
- - - - - - -
0,45 0,4 0,9 0,035 0,04 1,2 0,3
   
Technical properties Technical properties
"Versatile heat-treatable steel (annealed condition) with high strength and high toughness, that is often used for demanding applications in automotive engineering. Better machinability due to the addition of sulphur, very low distortion. "
   
Applications Applications
The Corrosion Resistant Steel BS 709 M 40 is suitable for the following applications: Mechanical engineering, machine components, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts.
   

The Heat-Treatable Steel BS 709 M 40 is available as €co-Präz®.

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