Dec 22, 2025 Leave a message

Nimonic 90, Nickel Alloy 90, UNS No7090,AMS 5829

Designations

W.Nr 2.4632, W.Nr 2.4969

UNS N07090, AWS 030

Specifications

AMS 5829, NCK 20TA

BS HR 501, BS HR 502, BS HR 503

BS 3075 NA 19, ISO 15156

Material Group S - Superalloys (Heat resistant and Titanium)
Sub-Group Superalloy
Hardness 28.0 HRC
Tensile Strength 870 [N/mm^2]
Machinability Range 10%
Density 8.18 g/cm³

 

UNS N07090 Chemical Composition

Weight % Co Ti Al C Mn B S Zr Si Ni Cr Cu Fe Pb
Alloy 90 15-21 2-3 1-2 0.2 max 1.0 max 0.02 max 0.015 max 0.15 max 1.0 max Bal 18-21 0.2 max 1.5 max 0.0020 max

 

Coefficient of Thermal Expansion of Superalloy Nimonic 90

Temperature (°C) Coefficient of Thermal Expansion (µm/m·°C)
20°C 13.0
100°C 13.5
200°C 14.1
300°C 14.6
400°C 15.2
500°C 15.8
600°C 16.4
700°C 17.0
800°C 17.6

 

Key Features of Nimonic 90 Superalloy

Excellent high-temperature strength

High fatigue strength

Maintains strength

Good weldability and fabricability

Good oxidation and corrosion resistance

Good metallurgical stability

 

Equivalent International Designations for Material Nimonic 90

Standard Name
WNR 2.4632
BS HR2, 202
ANFOR Nc20ATV
DIN NiCr20Co18Ti
UNS UNS N07090

 

Super Alloy Nimonic 90 Heat Treatment

Solution Treatment 1050°C to 1100°C (1922°F to 2012°F)
Aging or Precipitation Hardening 720°C to 760°C (1328°F to 1400°F)

 

Nimonic 90 Superalloy Temprature Range

Services Value
Maximum Service Temperature 980°C
Short-Term Temperature Limit 1000°C
Continuous Operating Temperature 900°C
Creep Resistance Temperature 870–900°C

 

WNR 2.4632 Mechanical Properties

Material Extruded Bar Temperature °C Tensile Strength (MPa) Yield Strength 0.2 % (MPa) Hardness HV Elongation (%)
Nimonic 90 bar Solution Treated (BS HR2) RT - - 295 max -
Nimonic 90 bar Precipition Treated (BS HR2) RT 1080 min 695 min 310 min 20 min
Nimonic 90 Bar Precipitation Treated (BS HR2) 500 1038 (typical) 672 (typical) - 31

 

Cutting Speeds for Material Nimonic 90

Application Vc (SFM) Vc (m/min)
Turning 110-150 35-45
Milling 80-110 25-35
Parting 70-100 20-30
Grooving 100-130 30-40
Drilling 100-130 30-40

 

Super Alloy Nimonic 90 Physical Properties

Properties Metric English
Density 8.18 g/cm³ 0.296 lbs/in³
Electrical resistivity 118 µohm*cm 46.5 µohm*in
Thermal conductivity 11.5 W/(m*°C) 80 BTU*in/(hr*ft²*°F)
Modulus of elasticity 220 Gpa 32.0 Mpsi
Coefficient of thermal expansion 12.7 µm/(m*°C) 7.1 µin/(in*°F)

 

Nickel Alloy 90 Thermal Properties

Properties Metric Imperial
Thermal conductivity (@ 20°C/68°F) 11.47 W/mK 80.46 BTU in/hr.ft².°F
Thermal expansion co-efficient (@ 20-100°C/68-212°F) 12.7 µm/m°C 7.1 µin/in°F

 

Nimonic 90 vs Inconel 718

Property Nimonic 90 Inconel 718
Density 8.2 g/cm³ 8.19 g/cm³
Melting Point 1290–1340°C 1260–1336°C
Ultimate Tensile Strength (RT) 880 MPa 1240 MPa
Yield Strength (0.2% RT) 480 MPa 1080 MPa
Elongation at Break 25% 12–18%
Hardness (HRB) 90–100 HRB 90–95 HRB
Temperature Capability Up to 980°C Up to 700°C

 

Recommended Insert Cutting Edge Geometry for Material Nimonic 90

Honing Size 0.02-0.05 mm / 0.001-0.002"
Land Width 0.10-0.20 mm / 0.004-0.008"
Rake Angle 13° -18°
Land Angle Neutral
Ground Insert Recommended

 

NIMONIC® Alloy 90 Hardness

Condition / Temperature Hardness (HRC) Hardness (HB)
Annealed ~15–20 HRC 180–210 HB
Fully Aged ~25–32 HRC 240–280 HB
At 200°C ~26 HRC ≈ 250 HB
At 400°C ~24 HRC ≈ 235 HB
At 600°C ~20 HRC ≈ 200 HB
At 800°C ~14 HRC ≈ 160 HB

 

Our factory

Our factory is located in a major industrial hub in China, equipped with modern production facilities and a comprehensive quality management system. Covering an area of 25,000 square meters, the factory is outfitted with advanced smelting, forging, rolling, and precision machining production lines, specializing in the research, development, and manufacturing of nickel-based alloys, high-temperature alloys, and special copper alloys. We strictly adhere to the ISO 9001 quality management system and leverage laboratory equipment such as spectral analysis, metallographic testing, and mechanical property testing to ensure end-to-end quality control from raw materials to finished products. Additionally, the factory supports large-scale customized production capabilities, catering to the precision material needs of global clients in high-end sectors such as aerospace, energy and chemical engineering, and shipbuilding.

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Product packaging

To ensure that our nickel-based alloy products (such as Hastelloy, Monel, and Inconel series) arrive in optimal condition for global customers, we employ an industrial-grade, multi-layered professional packaging solution:

Inner Layer Protection: Each piece of bar, plate, or tube is tightly wrapped with anti-rust oil paper/VCI film to effectively isolate moisture and prevent surface oxidation and corrosion.

Middle Layer Reinforcement: Customized foam corner protectors and waterproof stretch film are used to secure the products, preventing friction and collisions during transportation. Precision components are individually packed in blister trays or separate plastic boxes to ensure structural integrity.

Outer Layer Identification: Products are packaged in high-strength waterproof woven bags or wooden/steel crates, with clear product labels (material grade, dimensions, heat number, standard) and international shipping symbols (moisture-proof, upward, fragile, etc.) attached, complying with export packaging standards.

Full Traceability: Each batch includes a unique logistics barcode and quality certificate, enabling end-to-end traceability and ensuring transparent and reliable delivery.

We commit to providing comprehensive protection for every nickel-based alloy product from factory to your hands, guaranteeing consistent quality throughout.

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