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A30424 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A30424

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GBT A30424

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This page is mainly introduced the A30424 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A30424,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A30424

Steel Garde:A30424
Type:Special Alloy
Country:China
Standard:GBT
Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	780～680	σb/MPa
Yield Strength	416	σ 0.2 ≥/MPa
Elongation	63	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	105～727	-
HRC	30	-

Physical Properties

Thermal expansion	98-94	e-6/K
Thermal conductivity	41-10	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3927-7052	째C
Density	6462-1824	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)
A30424 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