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UNS T11304 Details

High-Speed Tool Steel

UNS T11304 Standard Download

T11304 Datasheet
UNS T11304

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T11304 Application:High-Speed Tool Steel
Category Type Grade Designations
Grades Tool Die Steels T11304 USA - UNS ,
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C 1.25 1.40
Si 0.20 0.45
Mn 0.15 0.40
P - 0.030
S - 0.030
Cr 3.75 4.75
Mo 4.25 5.50
V 3.75 4.50
W 5.25 6.50
Co - -
Mechanical properties of grade T11304
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)
377 (≥) 259 (≥) 41 13 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 323
Physical properties of grade T11304
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
735 (≥) 385 (≥) 41 24 14 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
997 696 177
T11304 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
T11304 UNS USA
High-Speed Tool Steel