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6F4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 6F4

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SAE 6F4

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This page is mainly introduced the 6F4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 6F4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Mold Steel

Steel Garde:6F4
Type:Tool Die Steels
Country:USA
Standard:SAE
Application:Mold Steel

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.20
Si		0.25
Mn		0.70
Cr
Mo		3.35
V
W
Ni		3.00

Mechanical Properties

Tensile strength	764～766	σb/MPa
Yield Strength	928	σ 0.2 ≥/MPa
Elongation	10	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	123～297	-
HRC	30	-

Physical Properties

Thermal expansion	33-49	e-6/K
Thermal conductivity	84-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0139-9401	째C
Density	7165-8716	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)
6F4 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