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Q460 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q460

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GBT Q460

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This page is mainly introduced the Q460 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Q460,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Q460

Steel Garde:Q460
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Q460	GBT	China
Q460	GBT	China
Q460	GBT	China
Q460	GBT	China
Q460	GBT	China
Q460NH	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	346～186	σb/MPa
Yield Strength	152	σ 0.2 ≥/MPa
Elongation	51	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	326～918	-
HRC	30	-

Physical Properties

Thermal expansion	81-09	e-6/K
Thermal conductivity	51-37	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6521-6451	째C
Density	0150-9037	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)
Q460 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