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42CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42CrMo

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GBT 42CrMo

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This page is mainly introduced the 42CrMo chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42CrMo,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
42CrMo

Steel Garde:42CrMo
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
42CrMo4	AFNOR	France
42CrMo4	AFNOR	France
42CrMo5-6	AFNOR	France
GS-42CrMo4	DIN	Germany
42CrMo4	UNE	Spain
42CrMoS4	UNE	Spain
ML42CrMo	GBT	China
ML42CrMoA	GBT	China
EN 42CrMo	EN	Euronorm
EN 42CrMoS4	EN	Euronorm
EN 42CrMo4KD	EN	Euronorm
EN 42CrMo4	EN	Euronorm
EN 42CrMo5-6	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	304～974	σb/MPa
Yield Strength	233	σ 0.2 ≥/MPa
Elongation	86	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	637～971	-
HRC	30	-

Physical Properties

Thermal expansion	40-54	e-6/K
Thermal conductivity	90-58	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1553-3391	째C
Density	9632-6227	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
42CrMo Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk