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CA6NM Application:Martensitic special steel
Category Type Steel grade Standard Country
Grades Special Alloy CA6NM UNS USA

Chemical composition % of the ladle analysis of grade CA6NM

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.05 0.6 0.5-1.0 Max 0.03 Max 0.03 11.5-14.0 3.5-5.5 3.5-5.5
Mechanical properties of grade CA6NM
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)
166 (≥) 581 (≥) 32 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 344
Physical properties of grade CA6NM
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
486 (≥) 336 (≥) 42 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
216 912 216
CA6NM 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 176 S41500 UNS USA
Stainless and Heat-Resisting Chromium Steel Plate, Sheet, and Strip
A 240 S41500 UNS USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 268 S41500 UNS USA
Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
A 276 S41500 UNS USA
Stainless Steel Bars and Shapes
A 473 S41500 UNS USA
Stainless Steel Forgings
A 479 S41500 UNS USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 815 CRS41500 UNS USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 815 WPS41500 UNS USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 959 S41500 UNS USA
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 988 S41500 UNS USA
Hot Isostatically-Pressed Stainless Steel Flanges, Fittings, Valves, and Parts for High Temperature Service
S41500 UNS USA
Chromium Nickel Molybdenum Martensitic Stainless Steel (F6NM)
SA-240 S41500 UNS USA
Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
SA-268 S41500 UNS USA
Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
SA-276 S41500 UNS USA
Specification for Stainless Steel Bars and Shapes
SA-479 S41500 UNS USA
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
SA-731 S41500 UNS USA
Seamless, Welded Ferritic, and Martensitic Stainless Steel Pipe
SA-815 CRS41500 UNS USA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings
SA-815 WPS41500 UNS USA
Specification for Wrought Ferritic, Ferritic /Austenitic, and Martensitic Stainless Steel Piping Fittings

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