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H25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H25

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SAE H25

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This page is mainly introduced the H25 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H25,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:H25
Type:Tool Die Steels
Country:USA
Standard:SAE
Application:Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
H25	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.25
Si	0.20	0.40
Mn	0.20	0.40
Cr		4.00
Mo
V
W		15.00

Mechanical Properties

Tensile strength	229～269	σb/MPa
Yield Strength	755	σ 0.2 ≥/MPa
Elongation	75	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	047～846	-
HRC	30	-

Physical Properties

Thermal expansion	56-14	e-6/K
Thermal conductivity	99-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0691-0900	째C
Density	0821-5216	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)
H25 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