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A8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A8

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ASTM A8

Catalog

A8 Profile
A8 Chemical composition
A8 Mechanical Properties
A8 Physical Properties
A8 Heat treatment
A8 Size Availability
A8 Relevant products

Profile

This page is mainly introduced the A8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A8

Steel Garde:A8
Type:Special Alloy
Country:USA
Standard:ASTM
Application:Alloy tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
H10	ASTM	USA
CA85T	AS	Australia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	165～827	σb/MPa
Yield Strength	312	σ 0.2 ≥/MPa
Elongation	02	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	111～230	-
HRC	30	-

Physical Properties

Thermal expansion	24-55	e-6/K
Thermal conductivity	08-52	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7427-5137	째C
Density	4800-4730	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)
A8 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