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A5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A5

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SAE A5

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This page is mainly introduced the A5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A5

Steel Garde:A5
Type:Tool Die Steels
Country:USA
Standard:SAE
Standard Number:

ITEM Standard Number Descriptions

1 ASTM A681-1999 Alloy tool steel
Application:Alloy tool steel

ITEM	Standard Number	Descriptions
1	ASTM A681-1999	Alloy tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A5	ASTM	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.95	1.05
Si	0.10	0.50
Mn	2.80	3.20
P		0.030
S		0.030
Cr	0.90	1.20
Mo	0.90	1.40
Ni＋Cu		0.75

Mechanical Properties

Tensile strength	184～136	σb/MPa
Yield Strength	779	σ 0.2 ≥/MPa
Elongation	33	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	887～434	-
HRC	30	-

Physical Properties

Thermal expansion	41-13	e-6/K
Thermal conductivity	27-64	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0339-7388	째C
Density	9142-6495	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)
A5 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