Material – ASTM B983 N07718

Standard Specification for Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube

Group - Non-Ferrous Nickel Alloys

Sub Group - ASTM B983 N07718 Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube

Application - Intended for Valve, Pump, General Engineering, Automotive and other Industries

Grade Belongs to the Industry - Pipe and Tube

Chemical Composition
CarbonC %0.080 max.
SiliconSi %0.350 max.
ManganeseMn %0.350 max.
ChromiumCr %17.000 - 21.000
MolybdenumMo %2.800 - 3.300
AluminiumAl %0.200 - 0.800
NiobiumNb %4.750 - 5.500
PhosphorusP %0.015 max.
SulphurS %0.015 max.
BoronB %0.006 max.
CobaltCo %1.000 max.
TitaniumTi %0.650 - 1.150
NickelNi %50.000 - 55.000
CopperCu %0.300 max.
IronFe %Balance
Heat Treatment
As-Cast or Annealing or Age Hardning
Mechanical Properties
Tensile Strength in Mpa1034 min.
Yield Strength in Mpa862 min.
Elongation in %20 min.
Reduction of Area in %-
Hardness in HRC40 min.
Impact in Joule-

Cross Reference Table

Material Standard Country Grade Belong to the Industry
Inconel 718 SAE USA Tube
N07718 UNS USA Tube
WL 2.4668 DIN Germany Bars and Wire for Screws and Bolts
B670 N07718 ASTM USA Plate, Sheet and Strip
B834 N07718 ASTM USA Pipe Flange, Fitting and Valve
B637 N07718 ASTM USA Bar and Forging
SB-637 N07718 ASME USA Bar and Forging