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12Cr3MoVSiTiB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr3MoVSiTiB

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GBT 12Cr3MoVSiTiB

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This page is mainly introduced the 12Cr3MoVSiTiB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12Cr3MoVSiTiB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12Cr3MoVSiTiB

Steel Garde:12Cr3MoVSiTiB
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
12Cr3MoVSiTiB	GBT	China
12Cr3MoVSiTiB	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	689～546	σb/MPa
Yield Strength	514	σ 0.2 ≥/MPa
Elongation	37	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	698～859	-
HRC	30	-

Physical Properties

Thermal expansion	43-63	e-6/K
Thermal conductivity	65-00	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8319-5333	째C
Density	5953-3313	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)
12Cr3MoVSiTiB 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