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Y12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Y12

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GBT Y12

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This page is mainly introduced the Y12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Y12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Y12

Steel Garde:Y12
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Y12Cr18Ni9	GBT	China
Y12Cr18Ni9Se	GBT	China
Y12Pb	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	005～139	σb/MPa
Yield Strength	008	σ 0.2 ≥/MPa
Elongation	69	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	780～192	-
HRC	30	-

Physical Properties

Thermal expansion	72-63	e-6/K
Thermal conductivity	03-33	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6011-6957	째C
Density	9837-3120	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)
Y12 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