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Chemical composition % of the ladle analysis of grade CNS 302B

Max 0.15 2.00-3.00 Max 2.00 0.045 0.03 17.0-19.0 8.00-10.0
CNS 302B
Mechanical properties of grade CNS 302B
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)
398 (≥) 692 (≥) 31 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 233
Physical properties of grade CNS 302B
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
113 (≥) 974 (≥) 12 34 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
487 981 863
CNS 302B 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
HNV5
Steel for intake valves
S63005
Steel for intake valves
Z1CNS17-15
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z11CNS17-07Az
Stainless steels for general purposes. Plates, wide strips and strips
Z15CNS25-20
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z17CNS20-12
Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels
Z80CNS20-02
Valve steels and alloys for internal combustion engines
302B
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 167 Type 302B
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 302B
Stainless Steel Bars and Shapes
A 314 302B
Stainless Steel Billets and Bars for Forging
A 473 302B
Stainless Steel Forgings
A 580 Type 302B
Stainless Steel Wire
A 959 Type 302B
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
SUS 302B
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
A 167 S30215
Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip
A 276 S30215
Stainless Steel Bars and Shapes
A 314 S30215
Stainless Steel Billets and Bars for Forging
A 473 S30215
Stainless Steel Forgings
A 580 S30215
Stainless Steel Wire

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