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B 983 N07718

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B 670 N07718 N07718
#2-4668 #NiCr19Fe19Nb5Mo3 #N07718

Description

USA ASTM B 983 (2013), B 983 N07718 Superalloys Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: B 983 N07718
Category Class Grade Standard Country Application
Steel GradesSuperalloys B 983 N07718 ASTM USA Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube

Chemical composition(mass fraction)(wt.%) of the B 983 N07718

C Cr Mo Ni Al Nb Fe Si Mn P S B
≤0.03 17.0 -21.0 2.80 -3.30 50.0 -55.0 0.20 -0.60 4.75 -5.50 ≤Bal ≤0.35 ≤0.35 ≤0.015 ≤0.015 ≤0.006

Mechanical Properties of steel grade B 983 N07718

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)
269 (≥) 949 (≥) 42 31 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade B 983 N07718

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
11 - -     0.44 -  
776 331 - 43.3 142   -  
718 - 24 23.2   331 423

Heat Treatment of steel grade B 983 N07718

Heat treated : 1443°C - 1331°C

Technological Curves of steel grade B 983 N07718

Cross Reference Table (Equivalent Grade) of B 983 N07718

Grade Standard Country Application
NiCr19Fe19Nb5Mo3

Relevant standard of B 983 N07718

B 983 (2013) Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube B-983-(2013).pdf
B 670 N07718 N07718
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