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PH14-8Mo Application:Martensitic special steel
Category Type Steel grade Standard Country
Grades Special Alloy PH14-8Mo UNS USA

Chemical composition % of the ladle analysis of grade PH14-8Mo

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Al(%)
0.05 1 1 Max 0.015 Max 0.015 13.75-15.5 7.75-8.75 2.O-3.0 0.75-1.50
PH14-8Mo
Mechanical properties of grade PH14-8Mo
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)
442 (≥) 794 (≥) 41 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Physical properties of grade PH14-8Mo
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
342 (≥) 562 (≥) 22 41 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
927 387 391
PH14-8Mo 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
S14800 UNS USA
Precipitation Hardenable Chromium Nickel Molybdenum Aluminum Stainless Steel
S14800 UNS USA
Precipitation Hardenable Chromium Nickel Molybdenum Aluminum Stainless Steel
PH 14-8 Mo UNS USA
Sheet and Strip 15Cr - 8,4Ni - 2,2Mo - 1,1Al, vac. Induct. Melted, Solution Heat Treated
PH 14-8 Mo UNS USA
Sheet and Strip 15Cr - 8,4Ni - 2,2Mo - 1,1Al, vac. Induct. Melted, Solution Heat Treated

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