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20MnCr12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCr12

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STAS/SR 20MnCr12

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This page is mainly introduced the 20MnCr12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCr12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20MnCr12

Steel Garde:20MnCr12
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
20MnCr12S	STAS/SR	Romania
20MnCr12X	STAS/SR	Romania
20MnCr12XS	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	676～518	σb/MPa
Yield Strength	580	σ 0.2 ≥/MPa
Elongation	45	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	761～674	-
HRC	30	-

Physical Properties

Thermal expansion	57-25	e-6/K
Thermal conductivity	58-81	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9811-3827	째C
Density	0850-2539	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)
20MnCr12 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