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H24 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H24

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ASTM H24

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This page is mainly introduced the H24 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H24,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
H24

Steel Garde:H24
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Alloy tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
08X15H24Φ4TP
08X15H24Φ4TP	ГОСТ	Russia
SWRCH24K	CNS	China
EN H240LA	EN	Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	430～815	σb/MPa
Yield Strength	610	σ 0.2 ≥/MPa
Elongation	24	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	474～164	-
HRC	30	-

Physical Properties

Thermal expansion	83-62	e-6/K
Thermal conductivity	77-26	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2117-4245	째C
Density	7775-4924	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)
H24 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