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Description

Korea KS D 3587 (1991), NCF800TF Specialsteel Steel tubes for fired heater and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF800TF
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF800TF KS Korea Steel tubes for fired heater

Chemical composition(mass fraction)(wt.%) of the NCF800TF

C Si Mn P S Cr Ni Cu Al Ti Fe
≤0.10 ≤1.00 ≤1.50 ≤0.030 ≤0.015 19.00 -23.00 30.00 -35.00 ≤0.75 0.15 -0.60 0.15 -0.60 ≤remaining

Mechanical Properties of steel grade NCF800TF

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
547 (≥) 461 (≥) 22 21 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade NCF800TF

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
34 - -     0.24 -  
763 568 - 32.3 413   -  
325 - 34 12.2   214 343

Heat Treatment of steel grade NCF800TF

Heat treated : 1263°C - 1482°C

Technological Curves of steel grade NCF800TF

Cross Reference Table (Equivalent Grade) of NCF800TF

Relevant standard of NCF800TF

D 3587 (1991) Steel tubes for fired heater D-3587-(1991).pdf

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