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A71145 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A71145

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GBT A71145

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This page is mainly introduced the A71145 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A71145,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A71145

Steel Garde:A71145
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	780～044	σb/MPa
Yield Strength	272	σ 0.2 ≥/MPa
Elongation	02	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	681～587	-
HRC	30	-

Physical Properties

Thermal expansion	54-57	e-6/K
Thermal conductivity	08-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4558-6788	째C
Density	7050-6874	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)
A71145 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