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NCF800HTB

Description

Korea KS D 3757 (2003), NCF800HTB Specialsteel Seamless nickel-chromium-iron alloy heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF800HTB
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF800HTB KS Korea Seamless nickel-chromium-iron alloy heat exchanger tubes

Chemical composition(mass fraction)(wt.%) of the NCF800HTB

C Si Mn P S Cr Ni Cu Al Ti Fe
0.05 -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 NCF800HTB

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)
743 (≥) 358 (≥) 12 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade NCF800HTB

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 - -     0.21 -  
264 319 - 22.3 123   -  
182 - 31 24.2   114 224

Heat Treatment of steel grade NCF800HTB

Heat treated : 1933°C - 1293°C

Technological Curves of steel grade NCF800HTB

Cross Reference Table (Equivalent Grade) of NCF800HTB

Relevant standard of NCF800HTB

D 3757 (2003) Seamless nickel-chromium-iron alloy heat exchanger tubes D-3757-(2003).pdf

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