Nickel Alloy Grades

Grade Name Available Grades
Nickel Alloy
Inconel 600, Inconel 601, Inconel 625, Inconel 718, Inconel 825, Inconel 925, Monel 400, Monel K500, Hastalloy C276, Hastalloy C22, Alloy 20 & Alloy A286

Nickle Alloy Grade - Inconel 625

Alloy 625 is a popular nickel-chromium alloy that offers users a high level of strength and ease of fabrication. Also sold by Continental Steel as Inconel® 625, alloy 625 is known for a number of different unique properties including:

  • Strength due to addition of molybdenum and niobium
  • Outstanding thermal fatigue strength
  • Resistance to oxidation and a wide range of corrosive elements
  • Ease of joining through all types of welding
  • Handles a wide range of temperatures from cryogenic to 1800°F (982°C)

Application

  • Chemical and pollution control equipment
  • Ash pit seals
  • Nuclear reactors
  • Marine equipment
  • Ducting
  • Thrust reverser assemblies
  • Fuel nozzles
  • Afterburners
  • Spray bars.

Chemical Properties

Cr Ni Mo Mn Si Fe
min: 10.0 max:23.0
58.0
Min: 8 Max: 10
0.50
0.50
5.00

Nickle Alloy Grade - Inconel 718

Inconel 718 is a Gamma Prime strengthened alloy with excellent mechanical properties at elevated temperatures, as well as cryogenic temperatures. Suitable for temperatures upto around 1300 F. Can be readily worked and age hardened.

Excellent strength from -423 degrees F to 1300 degrees F (-253 degrees C to 705 degrees C). Age hardenable and may be welded in fully aged condition, Excellent oxidation resistance up to 1800 degrees F (980 degrees C). Typically sold in the solution annealed temper, but can be ordered aged, cold worked, or cold worked & aged.

Applications

Uses for Inconel 718 tend to be in the field of gas turbine components and cryogenic storage tanks. Jet engines, pump bodies and parts, rocket motors and thrust reversers, nuclear fuel element spacers, hot extrusion tooling. Other popular uses are high strength bolting, and down hole shafting.

Chemical Properties

Cr Ni Mo Mn Si Fe
min: 17.0 max:21.0
Min: 50.0 Max: 55.0
Min: 2.80 Max: 3.30
0.35
0.35
Bal

Nickle Alloy - Inconel 825

alloy 825, often referred to as Incoloy 825 (where Incoloy is a trademark of Special Metals Corp), is a nickel-iron-chromium alloy with additions of molybdenum, copper and titanium (NiCr21Mo), supplied in the hot worked and annealed condition. It achieves good mechanical properties from cryogenic to medium-high temperatures (540 C) and can be significantly strengthened through cold working

Chemical Properties

Cr Ni Mo Ti Cu
Min
19.50
38.00
2.50
0.60
1.50
Max
23.50
46.00
3.50
1.20
3.00

Nickle Alloys - Monel 400

Monel 400 (also known as alloy 400) is an attractive option for industries where corrosion resistance is of the highest priority. Monel 400 is resistant to both steam and seawater as well as highly caustic solutions such as sulfuric, hydrochloric, and hydrofluoric acids when they are deaerated. It exhibits excellent weldability and can withstand very large amounts of pressure and weight. The alloy has great mechanical properties at subzero temperatures, and with a melting point of 2370° – 2460° F, products can be used at temperatures up to 1000° C

Industrial applications include:

  • Heat exchangers
  • Crude oil distillation towers
  • Propeller and pump shafts
  • Oil refinery crude columns
  • Pickling bat heating coils
  • Feedwater and steam generator tubing
  • Valves, pumps, fittings, and fasteners

Chemical Properties

Ni Cu
Min
63.00
28.00
Max
34.00

Nickel Alloys Grade : Monel K500

Alloy K500 is a precipitation-hardenable nickel-copper alloy which is also known as Monel K500 (Monel is Special Metals Corporation’s trademark for a family of Nickel-Copper alloys).  Although we supply Alloy K500 in all conditions, we predominantly supply material in the hot worked and precipitation treated condition. Both forms offer the optimum combination of high strength and ductility across the size range. The increased properties are obtained by adding aluminium and titanium to the nickel-copper base, and by heating under controlled conditions so that particles of ‘ϒ’ Ni (Ti, Al) are precipitated throughout the matrix. The thermal processing used to effect precipitation is commonly called age hardening or ageing

Chemical Properties

Ni Ti Cu
Min
63.00
0.35
27.00
Max
0.85
33.00

Nickle Alloys Grade : Hastalloy C276

HastAlloy® C-276, which is also sold as Nickel Alloy C-276, is a nickel-molybdenum-chromium wrought alloy. HastAlloy C-276 is perfect for use in situations that demand protection from aggressive corrosion and localized corrosion attack. Because of Hastelloy C-276’s outstanding corrosion resistant capabilities, it is used by a wide variety of industries for critical applications including:

  • Almost anything used around sulfuric acid (heat exchangers, evaporators, filters, and mixers)
  • Bleach plants and digesters for the manufacturing of paper and pulp
  • Components used around sour gas
  • Marine engineering
  • Waste treatment
  • Pollution control

Chemical Properties

Ni Mo Cr Fe W Co Mn C V P S Si
Remainder
15.0-17.0
14.5-16.5
4.0-7.0
3.0-4.5
2.5 max
1.0 max
.01 max
.35 max
.04 max
.03 max
.08 max

Nickle Alloys Grade : Alloy 20

Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium austenitic alloy that was developed for maximum resistance to acid attack, specifically sulfuric acid. This superalloy has excellent resistance to general corrosion, pitting, and crevice corrosion in chemicals containing chlorides and sulfuric, phosphoric, and nitric acids. It also contains niobium for stabilization against sensitization and resultant intergranular corrosion

Chemical Properties

Ni Mo Cr Fe W Co Mn C V P S Si
Remainder
15.0-17.0
14.5-16.5
4.0-7.0
3.0-4.5
2.5 max
1.0 max
.01 max
.35 max
.04 max
.03 max
.08 max