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T30108 Application:Alloy tool steel
Category Type Steel grade Standard Country
Grades Special Alloy T30108 UNS USA

Chemical composition % of the ladle analysis of grade T30108

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) W(%)
0.50~0.60 0.75~1.10 0.20~0.50 ≤0.030 ≤0.030 4.75~5.50 1.15~1.65 1.00~1.50
T30108
Mechanical properties of grade T30108
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)
646 (≥) 661 (≥) 21 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Physical properties of grade T30108
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
781 (≥) 411 (≥) 14 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
518 782 543
T30108 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
T30108 UNS USA
Cold-Work Tool Steel

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