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NCF 800 HTB

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NCF 800 NCF 800 HTF
#NCF-800

Description

Japan JIS G 4904 (2008), NCF 800 HTB Specialsteel Seamless nickel-chromium-iron alloy heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF 800 HTB
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF 800 HTB JIS Japan Seamless nickel-chromium-iron alloy heat exchanger tubes

Chemical composition(mass fraction)(wt.%) of the NCF 800 HTB

C Si Mn P S Cr Ni Cu Al Ti Fe
0.05 -0.10 ≤1.00 ≤1.50 ≤0.03 ≤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 NCF 800 HTB

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)
218 (≥) 297 (≥) 23 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade NCF 800 HTB

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
14 - -     0.32 -  
829 661 - 31.3 244   -  
352 - 33 41.2   434 211

Heat Treatment of steel grade NCF 800 HTB

Heat treated : 1157°C - 1568°C

Technological Curves of steel grade NCF 800 HTB

Relevant standard of NCF 800 HTB

G 4904 (2008) Seamless nickel-chromium-iron alloy heat exchanger tubes G-4904-(2008).pdf
NCF 800 NCF 800 HTF
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Jiangyou Longhai Special Steel Co.,Ltd.

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