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Chemical composition % of the ladle analysis of grade NC15Fe7TA

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%) Co(%) Nb(%) Al(%) Ti(%) Other(%)
Max 0.08 Max 0.50 Max 1.00 Max 0.015 Max 0.015 14.0-17.0 Remain Max 0.50 Max 0.50 Max 1.00 Nb+Ta 0.70-1.20 0.40-1.00 2.25-2.75 Fe 5.00-9.00
NC15Fe7TA
Mechanical properties of grade NC15Fe7TA
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)
697 (≥) 342 (≥) 22 24 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 424
Physical properties of grade NC15Fe7TA
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
458 (≥) 448 (≥) 14 22 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 421
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
961 862 474
NC15Fe7TA 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
NC15Fe7TA
Valve steels and alloys for internal combustion engines

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