CNC Machining Super Alloy Services
Extreme performance CNC super alloy machining. Inconel, Hastelloy, Monel for the most demanding environments. Partwork delivers superior temperature and corrosion resistant parts across India. Upload your CAD file for instant pricing.
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Overview
Detailed Material Analysis
Superalloys (High-performance alloys) are typically Nickel, Cobalt, or Iron-based alloys designed to maintain their structural integrity and strength at temperatures where other metals would melt or deform (up to 1200°C). They also offer exceptional resistance to severe chemical corrosion and oxidation. These properties make them essential for jet engines, gas turbines, and chemical processing plants.
| Property | Specification |
|---|---|
| Temp Resistance | Exceptional – retains strength up to 1000°C+ |
| Corrosion Resistance | Superior – resists oxidation, chlorides, and harsh acids |
| Creep Strength | Excellent – resists deformation under constant load/heat |
| Machinability | Poor – work hardens rapidly, high cutting forces |
| Melting Point | High (1260-1455°C) |
| Lead Time | 12-18 working days (standard) |
| Typical Price (India) | Very High (₹2,000-8,000/kg raw material) |
Available Grades & Standards
We offer a wide selection of grades to meet specific engineering requirements, from general purpose to high-performance flight-grade alloys.
| Grade | Standards | Key Features | Typical Applications |
|---|---|---|---|
| Inconel 718 | UNS N07718 | High strength up to 700°C, good creep resistance, weldable | Jet engine components, gas turbine blades, fasteners |
| Inconel 625 | UNS N06625 | Excellent corrosion resistance and tensile strength. Creep resistant | Seawater equipment, chemical processing, exhaust systems |
| Hastelloy C276 | UNS N10276 | Premier corrosion-resistant alloy. Resists wet chlorine, acids | Chemical reactors, pollution control scrubbers, paper bleaching |
| Monel 400 | UNS N04400 | Copper-nickel alloy. Resists steam, salt water, caustic solutions | Marine fixtures, chemical pumps, valves, heat exchangers |
| Kovar | UNS K94610 | Controlled expansion alloy (matches glass). Seals for electronics | Glass-to-metal seals, electronic packages, microwave tubes |
| Invar 36 | UNS K93600 | Minimal thermal expansion (near zero) up to 200°C | Precision instruments, laser components, composite molds |
Common Applications
Aerospace
- Turbine disks and blades (Inconel)
- Rocket engine combustion chambers
- High-temp fasteners and springs
- Exhaust systems (Inconel 625)
Chemical Processing
- Reaction vessels and piping (Hastelloy)
- Heat exchangers (Monel)
- Pollution control equipment
- Acid transfer pumps
Marine & Oil/Gas
- Downhole drilling tools
- Subsea wellhead components
- Seawater valves and pumps
- Propeller shafts
Electronics & Instruments
- Hermetic seals (Kovar)
- Laser alignment fixtures (Invar)
- Vacuum tubes
- Microwave transceivers
Surface Finishing Options
| Finish | Time | Cost |
|---|---|---|
As-Machined Standard finish | — | ₹0 |
Age Hardening Precipitation hardening for max strength (718) | +8-12 days | +₹6,000-15,000 |
Electropolishing Ultra-smooth surface, corrosion optimization | +4-6 days | +₹3,000-8,000 |
Passivation Clean surface for oxygen service | +2-3 days | +₹500-1,500 |
Shot Peening Enhance fatigue life | +3-5 days | +₹1,000-3,000 |
Frequently Asked Questions
Everything you need to know about machining Super Alloy (Nickel Alloy) Machining.
Superalloys have high shear strength, work harden rapidly, and maintain their strength at cutting temperatures (unlike steel which softens). This generates immense heat at the tool edge. We use specialized carbide inserts, slow cutting speeds, and rigid setups to machine them successfully.
Due to the slow machining process and raw material procurement (often imported), lead times are typically 3-4 weeks. Expedited services may be available depending on stock.
Yes, absolutely. For these critical materials, we provide full traceability including mill test reports (MTR) confirming chemical composition and mechanical properties, usually to AMS or ASTM standards.
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