Properties and conversion

Depending on the material, hardness and module, the maximum length (mm) per grade is shown in the table below.

Maximum length

Material condition Material Module Q4 Q5 Q6 Q7 Q8 Q9 Q11
soft C45 (-W) 2…3 1000 2000 2500 2500 2500 - -
4…12 - - 3000 3000 3000 - -
>12* - - 2000 2000 2000 - -
tempered 42CrMo4+QT (-V) 2…3 1000 2000 2500 2500 2500 - -
4…12 1000 2000 3000 3000 3000 - -
>12* 1000 2000 2000 2000 2000 - -
induction hardened C45 (-I), 42CrMo4+QT (-M) 2…3 1000 2000 2500 2500 - - 2500
4…12 1000 2000 3000 3000 - - 3000
>12* 1000 2000 2000 2000 - - 2000
case hardened 16MnCr5 (-C) 2…20 1000 2000 2000 2000 - - -
nitrided 42CrMo4+QT (-N), 16MnCr5 (-O) 2…3 - - - - - 2500 -
4…12 - - - - - 3000 -
>12* - - - - - 2000 -
through hardened X90CrMoV18 (-H) 2…20 1000 1000 1000 1000 - - -

* depending on weight of raw-material: max. 500 kg

Cross reference of material designations

Germany (W.-Nr.) Germany (DIN) Japan (JIS) USA (AISI/SAE) China (GB) Special properties
1.0503 C45 - 1045 45 -
1.7131 16MnCr5 - 5115 18CrMn can be welded
1.7225 42CrMo4+QT SCM 440 (H) 4140 42CrMo -
1.4112 X90CrMoV18 SUS 440B 440B 9Cr18MoV Stainless steel

Diagram

Gear rack structure diagram
ESC