Location » Home » Grades > Special Alloy > 15F
15F Application:China structural steel and alloy steel
Category Type Steel grade Standard Country
Grades Special Alloy 15F GBT China

Chemical composition % of the ladle analysis of grade 15F

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Cu(%)
0.12-0.18 Max 0.07 0.25-0.50 0.035 0.035 0.25 0.3 0.25
15F
Mechanical properties of grade 15F
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)
775 (≥) 292 (≥) 31 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414
Physical properties of grade 15F
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
541 (≥) 256 (≥) 44 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
543 778 113
15F 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
NiCr15Fe GBT China
Heat resisting steels and nickel alloys
2.4816 GBT China
Heat resisting steels and nickel alloys
NiCr15Fe7TiAI GBT China
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
NC15Fe7TA GBT China
Valve steels and alloys for internal combustion engines
NiCr15Fe8 GBT China
Nickel and nickel alloy forgings
NiCr15Fe7TiAl GBT China
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines
2.4669 GBT China
NiCrFeTi alloy; High-temperature resisting material
NiCr15Fe7TiAl GBT China
NiCrFeTi alloy; High-temperature resisting material
N07750 GBT China
Ni-Cr Alloy Precipitation Hardenable
B 637 N07750 Type 1 GBT China
Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
B 637 N07750 Type 2 GBT China
Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
SB-637 N07750 Type 1 GBT China
Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock for High-Temperature Service
Inconel X750 GBT China
Nickel Alloy, Corrosion and Heat-Resistant, Sheet, Strip, and Plate 72Ni - 15.5Cr - 0.95Cb(Nb) - 2.5Ti - 0.70Al - 7.0Fe Annealed

Enquiry