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45Mn2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45Mn2

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This page is mainly introduced the 45Mn2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45Mn2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
45Mn2

Steel Garde:45Mn2
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	454～711	σb/MPa
Yield Strength	694	σ 0.2 ≥/MPa
Elongation	09	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	406～013	-
HRC	30	-

Physical Properties

Thermal expansion	95-05	e-6/K
Thermal conductivity	45-71	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6434-4089	째C
Density	4758-9671	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)
45Mn2 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