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Chemical composition % of the ladle analysis of grade CPM Rex M4

1.35 0.06 4.25 4.50 4.00 5.75
CPM Rex M4
Mechanical properties of grade CPM Rex M4
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)
778 (≥) 643 (≥) 14 11 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 312
Physical properties of grade CPM Rex M4
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
448 (≥) 695 (≥) 12 34 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
945 819 387
CPM Rex M4 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
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A 693 S45000
Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A 705 S45000
Age-Hardening Stainless Steel Forgings
S45000
Stainless Steel
SA-564 S45000
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
SA-693 S45000
Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
SA-705 S45000
Specification for Age-Hardening Stainless Steel Forgings
A 313 S45500
Stainless Steel Spring Wire
A 564 S45500
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
A 693 S45500
Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
A 705 S45500
Age-Hardening Stainless Steel Forgings
S45500
Stainless Steel (Custom 455)
SA-564 S45500
Hot-Rolled and Cold-Finished Age-Hardening Stainless Steel Bars and Shapes
SA-693 S45500
Specification for Precipitation-Hardening Stainless and Heat-Resisting Steel Plate, Sheet, and Strip
SA-705 S45500
Specification for Age-Hardening Stainless Steel Forgings
Custom 450
Steel, Corrosion Resistant Bars, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.50 (Cb + Ta) - 1.5Cu Solution Heat Treated
Custom 450
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
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
Steel, Corrosion Resistant, Sheet, Strip, and Plate 15Cr - 6.5Ni - 0.75Mo - 0.60Cb - 1.5Cu Solution Heat Treated, Precipitation Hardenable
Custom 450
Steel, Corrosion Resistant Bars, Forgings, Tubing, and Rings 15Cr - 6.5Ni - 0.75Mo - 0.50 (Cb + Ta) - 1.5Cu Solution Heat Treated

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