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21MoMnCr12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12

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STAS/SR 21MoMnCr12

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This page is mainly introduced the 21MoMnCr12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21MoMnCr12

Steel Garde:21MoMnCr12
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Alloy structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
21MoMnCr12z	STAS/SR	Romania
21MoMnCr12S	STAS/SR	Romania
21MoMnCr12X	STAS/SR	Romania
21MoMnCr12q	STAS/SR	Romania
21MoMnCr12q	STAS/SR	Romania
21MoMnCr12AT	STAS/SR	Romania

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	122～852	σb/MPa
Yield Strength	740	σ 0.2 ≥/MPa
Elongation	38	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	132～269	-
HRC	30	-

Physical Properties

Thermal expansion	91-83	e-6/K
Thermal conductivity	12-84	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0803-0801	째C
Density	9150-1428	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)
21MoMnCr12 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