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Description

Korea KS D 3758 (2003), NCF825TP Specialsteel Seamless nickel - chromium - iron alloy pipes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF825TP
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF825TP KS Korea Seamless nickel - chromium - iron alloy pipes

Chemical composition(mass fraction)(wt.%) of the NCF825TP

C Si Mn P S Cr Ni Cu Al Ti Fe Mo
≤0.05 ≤0.50 ≤1.00 ≤0.030 ≤0.015 19.50 -23.00 38.00 -46.00 1.50 -3.50 ≤0.20 0.60 -1.20 ≤remaining 2.50 -3.50

Mechanical Properties of steel grade NCF825TP

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)
569 (≥) 838 (≥) 13 23 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade NCF825TP

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
24 - -     0.14 -  
371 513 - 31.3 324   -  
423 - 41 22.2   121 321

Heat Treatment of steel grade NCF825TP

Heat treated : 1522°C - 1936°C

Technological Curves of steel grade NCF825TP

Cross Reference Table (Equivalent Grade) of NCF825TP

Relevant standard of NCF825TP

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

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