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UNS T41904 Details

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T41904 Application:Shock-Resisting Tool Steel

Category Type Grade Designations
Grades Tool Die Steels T41904 USA - UNS ,

Chemical composition(wt.%) of T41904 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.50 0.65
Si 1.75 2.25
Mn 0.60 0.95
P - 0.030
S - 0.030
Cr 0.10 0.50
Mo - -
V 0.15 0.35
W - -
Ni+Cu - 0.75
Shock-Resisting Tool Steel

Mechanical properties of grade T41904

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)
626 (≥) 625 (≥) 22 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical properties of grade T41904

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
292 (≥) 267 (≥) 24 31 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
658 395 375

T41904 - Form of Supply

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
T41904 UNS USA
Shock-Resisting Tool Steel

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