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NCF 690 TB

Favorite Datasheet
NCF 690 NCF 690 TP
#NCF-690

Description

Japan JIS G 4904 (2008), NCF 690 TB Specialsteel Seamless nickel-chromium-iron alloy heat exchanger tubes and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF 690 TB
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF 690 TB JIS Japan Seamless nickel-chromium-iron alloy heat exchanger tubes

Chemical composition(mass fraction)(wt.%) of the NCF 690 TB

C Si Mn P S Cr Ni Cu Al Ti Fe
≤0.05 ≤0.50 ≤0.50 ≤0.03 ≤0.015 27.00 -31.00 58.00 - ≥ ≤0.50 ≤ ≥ ≤ ≥ ≤ ≥

Mechanical Properties of steel grade NCF 690 TB

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)
916 (≥) 879 (≥) 14 24 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade NCF 690 TB

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 - -     0.43 -  
471 537 - 41.3 333   -  
116 - 42 43.2   222 113

Heat Treatment of steel grade NCF 690 TB

Heat treated : 1373°C - 1952°C

Technological Curves of steel grade NCF 690 TB

Relevant standard of NCF 690 TB

G 4904 (2008) Seamless nickel-chromium-iron alloy heat exchanger tubes G-4904-(2008).pdf
NCF 690 NCF 690 TP
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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