Inconel 738LC

Short Introduction:

  • Inconel 783LC is a precipitation hardenable nickel-base alloy with superior corrosion resistance and high temperature creep-rupture strength. Inconel 738 LC is used in gas turbine blades and other
  • high-temperature industrial applications. HY Industry Co. manufactures Inconel 783  LC in varying compositions and forms such as powder, plate, rod, wire, and sputtering target.

Category:

Description

Inconel 738LC

 

Material grades and equivalents Inconel 738LC

 

Inconel 738LC Chemical composition:

 

Element C Mn Si W S P Cr Mo Ai+Ti
Min 0.09 - - 2.4 - - 15.7 1.5 6.5
Max 0.13 0.2 0.3 2.8 0.015 0.015 16.3 2.0 7.2
Element Cb Ti Ai B Zr Co Ta Fe Ni
Min 0.6 3.2 3.2 0.007 0.03 8.0 1.4 -  Balance
Max 1.1 3.7 3.7 0.012 0.08 9.0 2.0 0.35

 

Heat Treatment Procedure

Physical properties:

Precipitation Hardening
Solution Annealing Temperature Holding time Remarks
1120 oC 2 hours 25-40 oC ⁄ min to below 800 oC
 Aging Temperature Holding time Remarks
845 oC 24 hours Air cool

 

Tensile Property:

 

Temperature(℃) Yield, N/mm2min UTS, N/mm2min Elongation, minA5 (%) Reduction ofArea, min (%)
25 792 895 4 5
650 690 895 4 5

 

Creep Rupture Properties:

 

Temperature (℃) Stress (N/mm2) Life (Hours) Elongation (A4) (%) Reduction of Area (Z)(%)
982 152 ≥ 30 ≥ 5 ≥ 10