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P420QH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P420QH

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UNE P420QH

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This page is mainly introduced the P420QH chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of P420QH,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
P420QH

Steel Garde:P420QH
Type:Special Alloy
Country:Spain
Standard:UNE
Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	730～121	σb/MPa
Yield Strength	580	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	268～522	-
HRC	30	-

Physical Properties

Thermal expansion	83-43	e-6/K
Thermal conductivity	79-93	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5762-0207	째C
Density	7000-3928	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)
P420QH 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