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CNS 305J1 Application:CNS standard precipitation hardening stainless steel
Category Type Steel grade Standard Country
Grades Special Alloy CNS 305J1 CNS China

Chemical composition % of the ladle analysis of grade CNS 305J1

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Al(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.030 16.50-19.00 11.0-13.5 0.75-1.50
CNS standard precipitation hardening stainless steel
Mechanical properties of grade CNS 305J1
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)
427 (≥) 425 (≥) 43 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Physical properties of grade CNS 305J1
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
184 (≥) 396 (≥) 34 43 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
857 276 793
CNS 305J1 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 305J1 CNS China
Stainless steel wire rods
SUS 305J1 CNS China
Stainless steel wires
SUS 305J1 CNS China
Cold finished stainless steel bars
SUS 305J1 WSA CNS China
Stainless steel wires for cold heading and cold forging
SUS 305J1 WSB CNS China
Stainless steel wires for cold heading and cold forging

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