PREMIUM 1.7225+QT
AISI/SAE 4140+QT

SPECIFICATIONS:

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Technical datasheet (PDF) Technical datasheet
RS RS
-round-
500 mm 1.000 mm
           
Steel Guide Information in the STEEL GUIDE
Alternatives in the STEEL GUIDE
       
   
Standard values to PREMIUM 1.7225+QT Standard values
Chemical designation: 42CrMo4
Working hardness: 27-48 HRC
hardness (deliv. cond.): max. 380 HB

Chemical composition

CSiMnPSCrMo
0,38
-
0,45
0
-
0,4
0,6
-
0,9
0
-
0,035
0
-
0,035
0,9
-
1,2
0,15
-
0,3
   
Technical properties Technical properties
Heat-treatable steel (tempered condition) that can be used for a wide range of applications with a high degree of strength and toughness. Often used for demanding applications in automotive engineering. In quenched and tempered condition it is used in machine construction. Working hardness: 27 (min. hardness / delivery condition) - 48 HRC.
   
Applications Applications
The Heat-Treatable Steel AISI/SAE 4140+QT is suitable for the following applications: Machine construction, machine parts, axes, knuckles, connecting rods, crankshafts, gear shafts, pinions, gears, bandages, base plates, assembling parts.
   

The Heat-Treatable Steel AISI/SAE 4140+QT is available as Round steel.

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