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Description

Korea KS D 3758 (2003), NCF625TP Specialsteel Seamless nickel-chromium-iron alloy pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF625TP
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF625TP KS Korea Seamless nickel-chromium-iron alloy pipes

Chemical composition(mass fraction)(wt.%) of the NCF625TP

C Si Mn P S Cr Ni Cu Al Ti Fe Nb+Ta Mo
≤0.10 ≤0.50 ≤0.50 ≤0.015 ≤0.015 20.00 -23.00 58.00 - ≥ ≤ ≥ ≤0.40 ≤0.40 ≤5.00 3.15 -4.15 8.00 -10.00

Mechanical Properties of steel grade NCF625TP

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)
532 (≥) 572 (≥) 43 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade NCF625TP

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
41 - -     0.33 -  
747 865 - 13.3 243   -  
127 - 33 22.2   331 211

Heat Treatment of steel grade NCF625TP

Heat treated : 1449°C - 1241°C

Technological Curves of steel grade NCF625TP

Cross Reference Table (Equivalent Grade) of NCF625TP

Relevant standard of NCF625TP

D 3758 (2003) Seamless nickel-chromium-iron alloy pipes D-3758-(2003).pdf

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