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H15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H15

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SAE H15

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This page is mainly introduced the H15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H15,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-Work Tool Steel

Steel Garde:H15
Type:Tool Die Steels
Country:USA
Standard:SAE
Application:Hot-Work Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.45	0.55
Si	0.40	0.60
Mn	0.10	0.40
Cr	3.50	4.00
Mo	6.00	6.50
V	0.65	0.85
W	0.85	1.15

Mechanical Properties

Tensile strength	321～644	σb/MPa
Yield Strength	114	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	441～393	-
HRC	30	-

Physical Properties

Thermal expansion	86-15	e-6/K
Thermal conductivity	05-94	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8083-9678	째C
Density	3880-4695	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)
H15 Tool Die Steels	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