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15Mn chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 15Mn

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This page is mainly introduced the 15Mn chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 15Mn,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
15Mn

Steel Garde:15Mn
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
20Cr15Mn15Ni2N	GBT	China
15MnVR	GBT	China
15MnVNR	GBT	China
15MnVNR	GBT	China
15MnNiDR	GBT	China
15MnV	GBT	China
15MnVB	GBT	China
ML15Mn	GBT	China
ML15MnB⑤	GBT	China
ML15MnVB	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	254～551	σb/MPa
Yield Strength	063	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	622～846	-
HRC	30	-

Physical Properties

Thermal expansion	66-12	e-6/K
Thermal conductivity	67-40	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2664-1225	째C
Density	1346-6488	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)
15Mn 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