Nickel Alloy 617, Inconel® 617

Nickel Alloy 617 is a nickel-chromium-cobalt alloy that is known primarily for its exceptional metallurgical stability. Also sold under the brand name Inconel® 617, this alloy brings a wide variety of other outstanding properties to users, including:

  • Resistance to oxidation at high temperatures, thanks to added aluminum
  • Good resistance to a wide range of corrosive aqueous environments
  • Resistant to a number of different damaging reducing and oxidizing media
  • Cobalt and molybdenum impart a solid-solution strengthening
  • Easy to fabricate
  • Ease of joining through most conventional welding techniques

Nickel Alloy 617 offers customers a unique chemical composition that includes:

  • Ni 44.5%
  • Cr 20-24%
  • Co 10-15%
  • Mo 8-10%
  • Fe 3% max
  • Si 1% max
  • Al .8-1.5%
  • Ti 0.6% max

Many industries around the globe rely on Inconel® 617 or Nickel Alloy 617 for a number of different processes. The alloy is found in ducting, combustion cans, chemical production, heat-treating baskets, power-generating plants (both fossil fuel and nuclear), and gas turbines both on land and in the air.

Inconel® 617 and Nickel Alloy 617 can be sourced via Continental Steel.  Various forms include pipe, tube, sheet, plate, round bar, flat bar, forging stock, hexagon, wire, and extruded section. All of Continental Steel’s mill partners who provide Alloy 617 meet or exceed one of the many different and exacting industry standards, including those from the ASTM, ASME, SAE, DIN, and ISO.

We stock and sell Nickel Alloy 617 and Inconel® 617 in Pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon, wire and extruded section.

Chemical Composition of Nickel Alloy 617 and Inconel® 617 in


.8 - 1.5


.006 max


.05 - .15


10 - 15


20 - 24


3.0 max


1.0 max


8 - 10


44.5 max


.015 max


1.0 max


0.6 max

Nickel Alloy 617 and Inconel® 617 in Standards

Rod, Bar, Wire, and Forging Stock

ASTM B 166/ASME SB 166
ASTM B 564/ASME SB 564
SAE AMS 5887
VdTÜV 485
ISO 9724
DIN 17752
DIN 17753
DIN 17754

Plate, Sheet, and Strip

ASTM B 168/ASME SB 168
SAE AMS 5888
SAE AMS 5889
VdTÜV 485
ISO 6208
DIN 17750

Pipe & Tubing

VdTÜV 485
ISO 6207
ASTM B 546/ASME SB 546
DIN 17751

Back to Top