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H42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H42

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ASTM H42

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This page is mainly introduced the H42 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H42,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
H42

Steel Garde:H42
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Alloy tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
GH4220	GBT	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	978～199	σb/MPa
Yield Strength	495	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	611～266	-
HRC	30	-

Physical Properties

Thermal expansion	71-86	e-6/K
Thermal conductivity	16-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0947-0095	째C
Density	8161-8750	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)
H42 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