Special Alloys
What are Special Alloys?
Special Alloys are high-performance metal alloys engineered to deliver superior resistance to corrosion, high temperatures, pressure, and wear in extreme environments. These alloys include Nickel Alloys, Inconel, Hastelloy, Monel, Titanium, Duplex and Super Duplex Stainless Steel, and Copper Alloys.
Asiad Steel Industries is a trusted supplier of Special Alloys in various forms including bars, sheets, pipes, tubes, fittings, and flanges — tailored to meet critical industrial applications with global quality compliance.
Key Features
Thermal
Stability
Durable
Construction
Precision
Finish
Wide
Compatibility
Corrosion
Resistant
Types of Special Alloys
Specifications
| Specification Category | Parameter / Feature | Details / Options |
|---|---|---|
| Alloy Types | Titanium | Grades: Gr.1, Gr.2, Gr.5 (Ti-6Al-4V), Gr.7, Gr.23; Standards: ASTM B348, B381, B338; Applications: Aerospace, Marine, Chemical Processing |
| Hastelloy | Grades: C-22, C-276, B-2; Standards: ASTM B574, B575, B622; Applications: Chemical Reactors, Pollution Control, Marine | |
| Inconel | Grades: 600, 625, 718; Standards: ASTM B166, B167, B564; Applications: High Temp, Jet Engines, Power Generation | |
| Nickel | Grades: Nickel 200, Nickel 201; Standards: ASTM B160, B162, B366; Applications: Food Processing, Marine, Electronics | |
| Monel | Grades: 400, K500; Standards: ASTM B127, B164, B564; Applications: Seawater Systems, Pumps, Valves | |
| Copper Nickel | Grades: 70/30 (C71500), 90/10 (C70600); Standards: ASTM B466, B467; Applications: Shipbuilding, Desalination, Heat Exchangers | |
| Aluminium | Grades: 6061, 6082, 7075, 1100; Standards: ASTM B209, B221; Applications: Automotive, Aerospace, Structural, Packaging | |
| Forms Available | Options | Pipe, Tube, Sheet, Plate, Round Bar, Forged Fittings, Fasteners, Flanges |
| Size Range | Pipes & Tubes | ½″ to 24″ OD (custom sizes on request) |
| Sheets & Plates | Thickness: 0.5 mm to 100 mm | |
| Bars & Rods | Dia: 6 mm to 500 mm | |
| Manufacturing Process | Options | Hot Rolled, Cold Drawn, Forged, Cast, CNC Machined |
| Mechanical Properties | Tensile Strength | Varies by grade (e.g., Titanium Gr.5 ≈ 895 MPa, Inconel 718 ≈ 1240 MPa, Monel 400 ≈ 550 MPa) |
| Hardness | As per material grade (Annealed / Hardened) | |
| Surface Finish | Options | Black, Bright Annealed, Polished, Pickled & Passivated |
| Testing & Certification | Options | PMI, Hydrostatic, Ultrasonic, IGC Test, Hardness Test; EN 10204 3.1/3.2, NACE MR0175, ISO 9001 |
Dimensions
| Alloy Type | Product Forms (Typical Supply) | Size Range – Pipes/Tubes | Size Range – Sheets/Plates | Size Range – Bars/Rods | Size Range – Fittings/Flanges |
|---|---|---|---|---|---|
| Titanium (Gr.1, Gr.2, Gr.5) | Pipes, Tubes, Sheets, Plates, Bars, Forged Fittings, Flanges | OD: 6 mm – 610 mm, Thickness: 0.5 – 50 mm | Thickness: 0.5 – 100 mm, Width: up to 2500 mm, Length: up to 6000 mm | Dia: 3 mm – 400 mm | ½″ to 24″ (Butt-weld & Forged); Custom on request |
| Hastelloy (C22, C276, B2, X) | Pipes, Tubes, Sheets, Plates, Bars, Fittings, Flanges | OD: 6 mm – 450 mm, Thickness: 0.8 – 40 mm | Thickness: 1.0 – 50 mm, Width: up to 2500 mm | Dia: 5 mm – 250 mm | ½″ to 24″ (Elbows, Tees, Reducers, Flanges) |
| Inconel (600, 625, 718, 825) | Pipes, Tubes, Sheets, Plates, Bars, Forged Fittings, Flanges | OD: 6 mm – 450 mm, Thickness: 0.8 – 40 mm | Thickness: 1.0 – 60 mm, Width: up to 2500 mm | Dia: 6 mm – 350 mm | ½″ to 24″ (Seamless/Welded Fittings, Flanges) |
| Nickel (200, 201) | Pipes, Tubes, Sheets, Plates, Bars, Forged Fittings | OD: 6 mm – 450 mm, Thickness: 0.5 – 40 mm | Thickness: 0.5 – 60 mm, Width: up to 2500 mm | Dia: 6 mm – 300 mm | ½″ to 24″ (Pipe Fittings, Flanges) |
| Monel (400, K500) | Pipes, Tubes, Sheets, Plates, Bars, Forged Fittings, Flanges | OD: 6 mm – 450 mm, Thickness: 0.8 – 25 mm | Thickness: 1.0 – 60 mm, Width: up to 2500 mm | Dia: 6 mm – 300 mm | ½″ to 24″ (Elbows, Tees, Flanges, Custom) |
| Copper Nickel (70/30, 90/10) | Pipes, Tubes, Sheets, Plates, Bars, Fittings, Flanges | OD: 6 mm – 508 mm, Thickness: 0.5 – 25 mm | Thickness: 1.0 – 50 mm, Width: up to 2500 mm | Dia: 6 mm – 250 mm | ½″ to 24″ (Welded & Seamless Fittings, Flanges) |
| Aluminium (6061, 6082, 7075) | Pipes, Tubes, Sheets, Plates, Bars, Forged Products | OD: 6 mm – 400 mm, Thickness: 0.5 – 20 mm | Thickness: 1.0 – 150 mm, Width: up to 2500 mm | Dia: 6 mm – 500 mm | ½″ to 20″ (Fittings, Forged Parts, Custom) |
Mechanical Properties
| Property | Value | Unit / Standard |
|---|---|---|
| Tensile Strength | 650 – 1100 | MPa (varies with alloy type: Inconel, Monel, Hastelloy, Duplex, Super Duplex) |
| Yield Strength | 250 – 600 | MPa |
| Hardness | 180 – 320 | HB (Brinell) |
| Elongation | ≥ 20 – 35 | % |
| Density | 7.9 – 8.8 | g/cm³ |
| Impact Toughness | ≥ 80 – 120 | J (Charpy) |
| Modulus of Elasticity (E) | 190 – 210 | GPa |
| Fatigue Strength | 300 – 600 | MPa |
| Corrosion Resistance | Outstanding (resistant to acids, seawater, and aggressive chemicals) | – |
| Thermal Conductivity | 10 – 25 | W/m·K |
| Coefficient of Thermal Expansion | 12 – 16 ×10⁻⁶ | /°C |
| Yield Ratio (YS/UTS) | 0.35 – 0.60 | – |
| Poisson’s Ratio | 0.27 – 0.32 | – |
| Brinell Hardness Range | 180 – 320 | HB |
| Surface Finish | Ra ≤ 1.0 | μm (precision applications) |
| Operating Temperature Range | -196 to 800 | °C (depending on alloy grade) |
| Pressure Rating | High | ASME / NACE Standards |
Chemical Composition
| Element | Inconel 625 (%) | Hastelloy C22 (%) | Monel 400 (%) | Titanium Gr.2 (%) | Copper Nickel 70/30 (%) | Nickel 200 (%) |
|---|---|---|---|---|---|---|
| Nickel (Ni) | ≥ 58.0 | Balance | 63.0 – 70.0 | ≤ 0.40 | 25.0 – 33.0 | ≥ 99.0 |
| Chromium (Cr) | 20.0 – 23.0 | 20.0 – 22.5 | — | ≤ 0.10 | ≤ 0.05 | ≤ 0.25 |
| Molybdenum (Mo) | 8.0 – 10.0 | 12.5 – 14.5 | — | ≤ 0.20 | ≤ 0.05 | — |
| Copper (Cu) | ≤ 0.50 | ≤ 0.50 | 28.0 – 34.0 | ≤ 0.10 | Balance | ≤ 0.25 |
| Iron (Fe) | ≤ 5.0 | 2.0 – 6.0 | 2.0 – 2.5 | ≤ 0.30 | 0.4 – 1.0 | ≤ 0.4 |
| Cobalt (Co) | ≤ 1.0 | 2.0 – 6.0 | ≤ 0.05 | ≤ 0.10 | ≤ 0.05 | ≤ 0.25 |
| Tungsten (W) | ≤ 0.4 | 2.5 – 3.5 | — | — | — | — |
| Titanium (Ti) | ≤ 0.40 | ≤ 0.25 | ≤ 0.50 | Balance | ≤ 0.02 | ≤ 0.10 |
| Manganese (Mn) | ≤ 0.50 | ≤ 0.50 | ≤ 2.0 | ≤ 0.30 | ≤ 1.0 | ≤ 0.35 |
| Silicon (Si) | ≤ 0.50 | ≤ 0.08 | ≤ 0.5 | ≤ 0.10 | ≤ 0.1 | ≤ 0.35 |
| Carbon (C) | ≤ 0.10 | ≤ 0.015 | ≤ 0.30 | ≤ 0.08 | ≤ 0.05 | ≤ 0.15 |
| Phosphorus (P) | ≤ 0.015 | ≤ 0.02 | ≤ 0.02 | ≤ 0.015 | ≤ 0.02 | ≤ 0.01 |
| Sulfur (S) | ≤ 0.015 | ≤ 0.02 | ≤ 0.02 | ≤ 0.015 | ≤ 0.02 | ≤ 0.01 |
Applications of Special Alloys
Construction &
Infrastructure
Automotive & Heavy
Equipment
Manufacturing &
Fabrication
Medical & Laboratory
Equipment
Electrical &
Electronics Assembly
Oil, Gas & Petrochemical
Installations
Do you have questions?
What makes special alloys different from standard stainless steel?
Do you provide custom shapes and machining services for special alloys?
Are these alloys suitable for marine or saltwater environments?
What certifications do your special alloy products come with?
