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H23 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H23

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ASTM H23

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This page is mainly introduced the H23 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H23,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:H23
Type:Tool Die Steels
Country:USA
Standard:ASTM
Application:Hot-Work Tool Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
H23	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.25	0.35
Si	0.15	0.60
Mn	0.15	0.40
P		0.030
S		0.030
Cr	11.00	12.75
Mo
V	0.75	1.25
W	11.00	12.75
Ni＋Cu		0.75

Mechanical Properties

Tensile strength	674～536	σb/MPa
Yield Strength	949	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	125～858	-
HRC	30	-

Physical Properties

Thermal expansion	54-34	e-6/K
Thermal conductivity	75-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4680-7632	째C
Density	6036-9459	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)
H23 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