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U20752 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U20752

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GBT U20752

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This page is mainly introduced the U20752 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U20752,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U20752

Steel Garde:U20752
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	757～689	σb/MPa
Yield Strength	045	σ 0.2 ≥/MPa
Elongation	80	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	137～569	-
HRC	30	-

Physical Properties

Thermal expansion	28-00	e-6/K
Thermal conductivity	70-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3969-8707	째C
Density	0970-6445	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)
U20752 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