Standard Grade Trade Name UNS No. DIN BS JIS French Specs INCONEL 690 UNS N06690 WS 2.4642 - - - Specification ASTM B / ASME SB 168 / 906, ASME N-525, ISO 6208, MIL-DTL-24802 Typical use INCONEL® alloy 690 (UNS N06690) is a high-chromium nickel alloy having excellent resistance to many corrosive aqueous media and high temperature atmospheres. This alloy has high strength, good metallurgical stability, and favorable fabrication characteristics. This alloy is widely used for steam generator tubes, baffles, tube sheets, and hardware in nuclear power generation. Density Melting Range Specific Heat 8.19  g/cm3 1343-1377 ℃ 450  J/kg•℃ Technical Data Sheet Chemical Composition Limits Weight % Ni Cr Fe C Cu Mn Si S Inconel 690 58.0 min 27.0-31.0 7.0-11.0 0.05 max 0.50 max 0.50 max 0.50 max 0.015 max Typical Mechanical Properties Material Tensile Strength MPa Yield Strength (0.2% Offset) Elongation Hardness ksi MPa ksi MPa % Rockwell B Inconel 690 Annealed 85 586 35 240 30 - Inconel 690 Hard 125 860 90 620 2 - Availability Inconel 690 is available in Bar (Round), Round Bar, Flat Bar, Rod, Plate, Sheet, Strip, Shapes, Forging Stock, Tube and Welding Wire. Please contact Sales for further availability. Services Every order is treated as carefully and timely as possible, and shipments are handled to ensure that all export procedures are followed correctly so that your order arrives in perfect condition as quickly as possible. Disclaimer Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.