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CNS 420J2 Application:CNS standard martensite stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy CNS 420J2 CNS China

Chemical composition % of the ladle analysis of grade CNS 420J2

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%)
0.26-0.40 Max 1.00 Max 1.00 Max 0.040 Max 0.030 12.00-14.00 Max 0.60
CNS standard martensite stainless steel
Mechanical properties of grade CNS 420J2
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)
444 (≥) 673 (≥) 13 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Physical properties of grade CNS 420J2
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
743 (≥) 843 (≥) 42 32 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 212
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
981 779 857
CNS 420J2 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
SUS 420J2 FB CNS China
Stainless steel blooms and billets for forgings
SUS 420J2TKA CNS China
Stainless steel pipes for machine and structural purposes
X45Cr13 CNS China
Corrosion-resistant high-temperature steel
1.3541 CNS China
Corrosion-resistant high-temperature steel
STS420J2 CNS China
Stainless steel bars
STS420J2TKA CNS China
Stainless steel pipes for machine and structural purposes
STS420J2FB CNS China
Stainless steel blooms and billets for forgings
420J2 CNS China
Stainless steel wire rods
420J2CPS CNS China
CNS standard spring cold rolled stainless steel strip
420J2TKA CNS China
CNS standard mechanical and structure with stainless steel pipe

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