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CNS 420J2CPS Details

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420J2CPS Application:CNS standard spring cold rolled stainless steel strip

Category Type Grade Designations
Grades Stainless Steels 420J2CPS China - CNS ,

Chemical composition(wt.%) of 420J2CPS grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.26 0.40
Si - 1.00
Mn - 1.00
P - 0.040
S - 0.030
Cr 12.00 14.00
Ni - 0.60
CNS standard spring cold rolled stainless steel strip

Mechanical properties of grade 420J2CPS

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)
567 (≥) 561 (≥) 12 14 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 431

Physical properties of grade 420J2CPS

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
227 (≥) 146 (≥) 13 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
778 318 142

420J2CPS - Form of Supply

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
420J2CPS CNS China
CNS standard spring cold rolled stainless steel strip

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