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Custom450(XM-25) Application:precipitation hardening
Category Type Steel grade Standard Country
Grades Special Alloy Custom450(XM-25) UNS USA

Chemical composition % of the ladle analysis of grade Custom450(XM-25)

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Cu(%) Nb(%)
0.05 1 1 Max 0.03 Max 0.03 14.0-16.0 5.0-7.0 0.5-1.0 1.25-1.75 Min 8×C%
Custom450(XM-25)
Mechanical properties of grade Custom450(XM-25)
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)
482 (≥) 534 (≥) 34 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Physical properties of grade Custom450(XM-25)
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
833 (≥) 416 (≥) 33 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
273 929 866
Custom450(XM-25) 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
A 564 S45000 UNS USA
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A 693 S45000 UNS USA
Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A 705 S45000 UNS USA
Age-Hardening Stainless Steel Forgings
S45000 UNS USA
Stainless Steel
SA-564 S45000 UNS USA
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
SA-693 S45000 UNS USA
Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
SA-705 S45000 UNS USA
Specification for Age-Hardening Stainless Steel Forgings
Custom 450 UNS USA
Steel, Corrosion Resistant Bars, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.50 (Cb + Ta) - 1.5Cu Solution Heat Treated
Custom 450 UNS USA
Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.30 Cb (Nb) - 1.5Cu Consumable Electrode Remelted, Solution Heat Treated Precipitation Hardenable
Custom 450 UNS USA
Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.30Cb - 1.5Cu Consumable Electrode Melted, Solution Heat Treated Precipitation Hardenable
Custom 450 UNS USA
Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.60Cb - 1.5Cu Solution Heat Treated, Precipitation Hardenable
Custom 450 UNS USA
Steel, Corrosion Resistant Bars, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.50 (Cb + Ta) - 1.5Cu Solution Heat Treated
Custom 450 UNS USA
Steel, Corrosion-Resistant, Bars, Wire, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.30 Cb (Nb) - 1.5Cu Consumable Electrode Remelted, Solution Heat Treated Precipitation Hardenable
Custom 450 UNS USA
Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.30Cb - 1.5Cu Consumable Electrode Melted, Solution Heat Treated Precipitation Hardenable
Custom 450 UNS USA
Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.60Cb - 1.5Cu Solution Heat Treated, Precipitation Hardenable
A 240 S44627 UNS USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S44627 UNS USA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S44627 UNS USA
Stainless Steel Bars and Shapes
S44627 UNS USA
Ferritic Chromium Molybdenum Columbium Stainless Steel
SA-240 S44627 UNS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications

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