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NCF 690

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S35450 NCF 690
#NCF-690

Description

Japan JIS G 4901 (2008), NCF 690 Specialsteel Corrosion-resisting and heat-resisting superalloy bars and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: NCF 690
Category Class Grade Standard Country Application
Steel GradesSpecialsteel NCF 690 JIS Japan Corrosion-resisting and heat-resisting superalloy bars

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

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

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)
994 (≥) 538 (≥) 32 31 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade NCF 690

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
43 - -     0.42 -  
186 746 - 21.3 111   -  
369 - 24 14.2   212 213

Heat Treatment of steel grade NCF 690

Heat treated : 1342°C - 1225°C

Technological Curves of steel grade NCF 690

Relevant standard of NCF 690

G 4901 (2008) Corrosion-resisting and heat-resisting superalloy bars G-4901-(2008).pdf
S35450 NCF 690
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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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