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AMS 6481 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AMS 6481

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AMS AMS 6481

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This page is mainly introduced the AMS 6481 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AMS 6481,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AMS 6481

Steel Garde:AMS 6481
Type:Tool Die Steels
Country:USA
Standard:AMS
Application:

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C(CarBon)		0.35
Cr		3.0
Mo		1.0
V		0.25

Mechanical Properties

Tensile strength	903～113	σb/MPa
Yield Strength	752	σ 0.2 ≥/MPa
Elongation	74	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	302～490	-
HRC	30	-

Physical Properties

Thermal expansion	96-56	e-6/K
Thermal conductivity	51-77	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6862-9923	째C
Density	1073-7275	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)
AMS 6481 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