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ISO X21CrMoNiV12 2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X21CrMoNiV12 2

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ISO ISO X21CrMoNiV12 2

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This page is mainly introduced the ISO X21CrMoNiV12 2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X21CrMoNiV12 2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High temperature bainite and martensite steel ISO standard internal combustion engine

Steel Garde:ISO X21CrMoNiV12 2
Type:Special Alloy
Country:ISO
Standard:ISO
Application:High temperature bainite and martensite steel ISO standard internal combustion engine

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	722～764	σb/MPa
Yield Strength	935	σ 0.2 ≥/MPa
Elongation	45	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	918～724	-
HRC	30	-

Physical Properties

Thermal expansion	57-96	e-6/K
Thermal conductivity	20-41	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9861-8675	째C
Density	3571-6541	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)
ISO X21CrMoNiV12 2 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