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SAE F3 Details

Carbon Wolfram Tool Steel

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F3 Application:Carbon Wolfram Tool Steel
Category Type Grade Designations
Grades Tool Steels & Die Steels F3 USA - SAE ,
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤)
C 1.25 1.40
Si 0.10 0.40
Mn 0.10 0.40
Cr 0.50 1.00
Mo - -
V - -
W 3.50 4.00
Mechanical properties of grade F3
Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
787 (≥) 938 (≥) 12 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Physical properties of grade F3
Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
889 (≥) 162 (≥) 33 44 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 412
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
153 289 736
F3 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
STSF304 KS Korea
Stainless steel forgings for pressure vessels
STSF304H KS Korea
Stainless steel forgings for pressure vessels
STSF304L KS Korea
Stainless steel forgings for pressure vessels
STSF304LN KS Korea
Stainless steel forgings for pressure vessels
STSF304N KS Korea
Stainless steel forgings for pressure vessels
STSF310 KS Korea
Stainless steel forgings for pressure vessels
STSF316 KS Korea
Stainless steel forgings for pressure vessels
STSF316H KS Korea
Stainless steel forgings for pressure vessels
STSF316L KS Korea
Stainless steel forgings for pressure vessels
STSF316LN KS Korea
Stainless steel forgings for pressure vessels
STSF316N KS Korea
Stainless steel forgings for pressure vessels
STSF321 KS Korea
Stainless steel forgings for pressure vessels
STSF321H KS Korea
Stainless steel forgings for pressure vessels
STSF347 KS Korea
Stainless steel forgings for pressure vessels
STSF347H KS Korea
Stainless steel forgings for pressure vessels
F3 SAE USA
Carbon Wolfram Tool Steel
6F3 SAE USA
Mold Steel

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