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21MoMnCr12z chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12z

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STAS/SR 21MoMnCr12z

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This page is mainly introduced the 21MoMnCr12z chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 21MoMnCr12z,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
21MoMnCr12z

Steel Garde:21MoMnCr12z
Type:Special Alloy
Country:Romania
Standard:STAS/SR
Application:Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	414～672	σb/MPa
Yield Strength	916	σ 0.2 ≥/MPa
Elongation	14	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	055～336	-
HRC	30	-

Physical Properties

Thermal expansion	56-64	e-6/K
Thermal conductivity	65-96	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5651-6684	째C
Density	6873-4259	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)
21MoMnCr12z 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