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20MnCr12X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCr12X

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STAS/SR 20MnCr12X

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This page is mainly introduced the 20MnCr12X chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20MnCr12X,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20MnCr12X

Steel Garde:20MnCr12X
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
20MnCr12XS	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	639～785	σb/MPa
Yield Strength	253	σ 0.2 ≥/MPa
Elongation	80	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	910～788	-
HRC	30	-

Physical Properties

Thermal expansion	47-67	e-6/K
Thermal conductivity	72-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3045-6987	째C
Density	5786-6626	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)
20MnCr12X 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