High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

42CrMo4


42CrMo4 material is AFNOR NF A 35-590 Tool steels AFNOR NF EN 10083-1 Steels for quenching and tempering - Part 1: General technical delivery conditions AFNOR NF EN 10083-3 Steels for quenching and tempering - Part 3: Technical delivery conditions for alloy steels AFNOR NF EN 10132-3 Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 3: Steels for quenching and tempering AFNOR NF EN 10250-3 Open die steel forgings for general engineering purposes - Part 3: Alloy special steels AFNOR NF EN 10263-4 Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering AFNOR NF EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties AFNOR NF EN 10297-1 Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes AFNOR NF EN 10305-1 Steel tubes for precision applications - Technical delivery conditions - Part 1: Seamless cold drawn tubes AFNOR NF EN 10343 Steels for quenching and tempering for construction purposes - Technical delivery conditions Steels for quenching and tempering for construction purposes - Technical delivery conditions.

Chemical composition of 42CrMo4, 42CrMo4 mechanical properties, 42CrMo4 datasheet, 42CrMo4 equivalent grade, Heat treatment and temperature process of 42CrMo4.


42CrMo4 property sheet

42CrMo4 Spec.

AFNOR NF A 35-590
Tool steels
AFNOR NF EN 10083-1
Steels for quenching and tempering - Part 1: General technical delivery conditions
AFNOR NF EN 10083-3
Steels for quenching and tempering - Part 3: Technical delivery conditions for alloy steels
AFNOR NF EN 10132-3
Cold rolled narrow steel strip for heat treatment - Technical delivery conditions - Part 3: Steels for quenching and tempering
AFNOR NF EN 10250-3
Open die steel forgings for general engineering purposes - Part 3: Alloy special steels
AFNOR NF EN 10263-4
Steel rod, bars and wire for cold heading and cold extrusion - Part 4: Technical delivery conditions for steels for quenching and tempering
AFNOR NF EN 10269
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
AFNOR NF EN 10297-1
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 1: Non-alloy and alloy steel tubes
AFNOR NF EN 10305-1
Steel tubes for precision applications - Technical delivery conditions - Part 1: Seamless cold drawn tubes
AFNOR NF EN 10343
Steels for quenching and tempering for construction purposes - Technical delivery conditions

Related Materials

42CrMo4
1.7225

Chemical Composition of 42CrMo4

C: 0.38 0.45
Si: Max 0.40
Mn: 0.60 0.90
P: Max 0.035
S: Max 0.035
Cr: 0.90 1.20
Ni: Max Min
Mo: 0.15 0.30

Mechanical Properties of 42CrMo4

Rp0.2 (MPa) 628 (≥)
Rm (MPa) 152 (≥)
AKV (J) 42
A (%) 13
Z (%) 32
Hardness HBW 232

42CrMo4 shape and dimensions

42CrMo4 Round bar: 1mm-800mm
42CrMo4 Square bar: 10mm * 10mm-600mm *600mm
42CrMo4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
42CrMo4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
42CrMo4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
42CrMo4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes