Gh901 / Nimonic901 (UK) / Z8ncdt42 (France) / 2.4662 (Germany) / Precipitation Hardening Nickel Base Superalloy Incoloy901 /

• Application: Industrial
• Standard: GB, ASTM
• Purity: >99.5%
• Alloy: Alloy
• Powder: Not Powder
• Transport Package: Wooden
• Model NO.: XD-164
• Origin: Jiangsu Baoying
• HS Code: 7505120000
• Production Capacity: 500ton/Year

Product Description

Overview of Incoloy901
Incoloy901 is a Fe-Ni-Cr-based precipitation hardening deformed superalloy. The alloy has high yield strength and lasting strength below 650°C, good oxidation resistance below 760°C, and stable structure for long-term use. The main products are turbine discs, compressor discs, journals, static structural parts, turbine outer rings and fasteners.

Application overview and special requirements
Alloys are used in rotating parts and fasteners of aero-engines and ground gas turbines, and have a long service life.

The alloy has a coefficient of expansion close to that of a ferritic heat-strength alloy steel, allowing the two materials to be joined without special provisions for thermal expansion.

1.1, Incoloy901 material grade
GH901 (GH2901)

1.2, similar grades
, Nimonic901 (UK), Z8NCDT42 (France), 2.4662 (Germany), GH901 (China)

1.3. Technical standards of materials
WS9-7029 Billet-1996 "GH901 Alloy Shaft Bar"

WS9-7029 Disc Blank - 1996 "Bake Blank for GH901 Alloy Turning Parts"

WS9-7029 Forgings-1996 "GH901 Alloy Disc and Shaft Forgings"

WS9-7031-1996 "GH901 Alloy Hot Rolled and Forged Bars"

WS9-7031 Ring Billet-1996 "Ring Billet for GH901 Alloy Rolled Ring Parts"

WS9-7031 Rings-1996 "GH901 Alloy Rolled Rings"

WS9-7031-1996 "GH901 Alloy Flash Welding Ring Profile"

1.4, chemical composition
      C               Cr            Ni            Mo      Al         Ti           Fe           B
0.02~0.06 11.0~14.0 40.0~45.0 5.0~6.5 ≤0.30 2.8~3.1 Balance 0.01~0.02
          Mn                      Si                        P                           S                   Cu                    Bi                        Pb                      Ag
not greater than not greater than not greater than not greater than not greater than not greater than not greater than  not greater than
        0.50                    0.40                   0.020                  0.008                0.20                   0.0001                  0.001              0.0005

2. GH901 physical and chemical properties
2.1, GH901 thermal performance
2.1.1. Melting temperature range of GH901 Melting point is 1360ºC

2.1.2, GH901 thermal conductivity

θ/°C             100   200 300  400  500   600 700  800 900 1000
λ/(W/(m·C)) 12.0 13.5 15.1 16.7 18.2 19.8 21.2 22.8 24.3 25.1

2.1.3. GH901 Linear Expansion Coefficient

θ/ºC            20~100 20~200 20~300 20~400 20~500 20~600 20~700 20~800 20~900
α/10-6C-1     13.5       14.0      14.4      14.9      15.1      15.2      15.5      16.0      16.5

2.1.4, GH901 thermal diffusivity

θ/°C                   20 100   150   250 350  450  550  65 0 950
Q/(10-6m2/S)) 2.66 2.93 3.00 3.18 3.47 3.73 3.78 4.02 4.11

2.2, GH901 density ρ=8.21g/cm3

2.3. GH901 electrical resistivity
    
θ/°C                 20     100    200    300     400   500    600    700    800  900
p/(10-6Ω.M)) 1.073 1.095 1.132 1.162 1.199 1.229 1.254 1.275 1.309 1.316

2.4, GH901 magnetic energy type
Alloy non-magnetic

2.5, GH901 chemical properties
2.5.1, GH901 anti-oxidation performance Oxidation rate after 100h test in air medium

θ/ºC                                   600        700     800        900   1000
Oxidation rate/(g/(m3·h)) 0.0072 0.0140 0.0522 0.1665 0.2367
2.5.2, GH901 corrosion resistance

The alloy is prone to pitting corrosion in hydrochloric acid solution.

1. Craftsmanship
The alloy has good hot forming properties.

3.1. Forging
Larger ingots are not allowed to be cooled directly to room temperature, but should be hot handled and moved directly into the forging furnace to prevent passing through the aging temperature range during cooling and reheating. The ingot should be forged into a square billet with a maximum side length of 205mm, and then quickly cooled and trimmed. During forging, the process parameters should be strictly controlled to prevent serious unevenness of coarse and fine grains (there is a clear boundary between the two) to ensure stable performance.

3.2 Welding performance
Argon arc welding can be carried out, using GH901 alloy welding wire.

3.3 Heat treatment process of parts
The heat treatment of the engine turbine disk should avoid excessive heating.

4. Main Specifications
GH901 seamless pipe, GH901 steel plate, GH901 round steel, GH901 forging, GH901 flange, GH901 ring, GH901 welded pipe, GH901 steel strip, GH901 straight bar, GH901 wire and matching welding consumables, GH901 round cake, GH901 flat steel, GH901 Hexagonal Bar, GH901 Large and Small Head, GH901 Elbow, GH901 Tee, GH901 Machining Parts, GH901 Bolts and Nuts, GH901 Fasteners.
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