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U20252 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U20252

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GBT U20252

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This page is mainly introduced the U20252 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of U20252,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
U20252

Steel Garde:U20252
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	207～208	σb/MPa
Yield Strength	631	σ 0.2 ≥/MPa
Elongation	77	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	263～454	-
HRC	30	-

Physical Properties

Thermal expansion	71-74	e-6/K
Thermal conductivity	97-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4357-4355	째C
Density	7631-2895	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)
U20252 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