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CW-4 Application:W-Ta-Nb-Ti-Co class carbide
Category Type Steel grade Standard Country
Grades Special Alloy CW-4 AISI USA

Chemical composition % of the ladle analysis of grade CW-4

C(%) W(%) Co(%) Nb(%) Ti(%) Ta(%)
7.4 67.0 6.0 2.4 10.0 7.2
CW-4
Density / (g/cm ^ 3) : 11.50 Hardness HRC: 93.0 σ bb/MPa: 1410 Grain size/μ m: 5 ~ 7 and 2 Use for example: for steel finishing
Mechanical properties of grade CW-4
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)
589 (≥) 778 (≥) 21 11 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Physical properties of grade CW-4
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
882 (≥) 538 (≥) 43 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 442
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
534 889 332
CW-4 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

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