Precision-Machined Heavy Engineering Products

TDC Alloys is a recognized leader among Engineering Products Manufacturers in India, combining advanced foundry casting with high-precision CNC machine shop finishing to supply turnkey mechanical products. Original equipment manufacturers and project EPCs require defect-free products with certified metallurgical properties and tight dimensional tolerances across India.

We manufacture fully finished engineering products from 10 kg up to 3,000 kg, covering proof-machined or finished CNC-machined pump casings, high-pressure industrial valves, crane rope sheaves, transmission shafts, and drive couplings across India.

Engineering Metallurgy & Alloy Standards

As a specialized Engineering Products Manufacturer in India, TDC Alloys pours certified high-strength, fatigue-resistant, and pressure-boundary alloys:

High-Tensile Structural Alloy Steels (ASTM A148 Gr. 90-60, 105-85 & 130-115)

Exceptional yield strength and fracture toughness under dynamic cyclic loads for machine frames, heavy bearing pedestals, and hydraulic press cylinders.

Pressure-Containing Carbon Steels (ASTM A216 Gr. WCB & WCC / A352 LCC)

High weldability and verified pressure boundary integrity under hydrostatic pressures for industrial valve bodies, pump volutes, and pressure vessels.

Quenched & Tempered Low-Alloy Steels (AISI 4140, 4340 & 8620 Equivalents)

Deep hardenability, superior fatigue limits, and torsional resistance for heavy drive pinions, transmission shafts, and universal spindles.

High-Grade Ductile SG Irons (ASTM A536 65-45-12, 80-55-06 & 100-70-03)

Optimum vibration dampening and high tensile strength for industrial gearbox casings, bearing blocks, eccentric cams, and machine levers.

Mechanical Properties & Material Performance

Our computerized solution annealing, stress-relieving, and normalizing regimens tailor mechanical properties to match exact industrial service requirements:

Grade / StandardTensile Strength (MPa)Yield Strength (MPa)Elongation (%)Hardness (HB / HRC)Primary Engineering Application
High-Tensile Alloy Steel (ASTM A148 Gr. 90-60 / 105-85)620 - 900≥ 415≥ 18%190 - 280 HBHeavy Machine Frames, Bearing Pedestals, Press Cylinders
High-Strength Carbon Steel (ASTM A216 WCB / WCC)485 - 655≥ 250≥ 22%140 - 190 HBIndustrial Valve Bodies, Pressure Vessels, Pump Casings
Alloy Ni-Cr-Mo Quenched & Tempered (AISI 4140 / 4340)800 - 1050≥ 620≥ 14%260 - 320 HBDrive Pinions, Heavy Transmission Shafts, Universal Spindles
High-Grade Ductile SG Iron (ASTM A536 80-55-06)550 - 700≥ 380≥ 6%180 - 240 HBGearbox Housings, Bearing Blocks, Eccentric Cam Shafts
Abrasion-Resistant White Iron (ASTM A532 Cl. III 27% Cr)620 - 780-< 0.8%58 - 65 HRCSlurry Pump Volutes, Severe Wear Liners, Pulverizer Parts
Austenitic Stainless Steel (ASTM A351 CF8M / 316)485 - 620≥ 205≥ 30%140 - 180 HBCorrosive Chemical Valves, Impellers & Marine Fittings

Engineering Applications Across India

Leading manufacturing plants, OEMs, energy facilities, and engineering workshops across India rely on TDC Alloys for dependable performance:

Heavy Machinery & Equipment: Gearbox casings, heavy bearing pedestals, machine tool base plates, press cylinders, and hydraulic manifolds.
Power Transmission & Drivetrains: Spur gears, helical pinion blanks, spline shafts, flexible gear couplings, and torque arms.
Fluid Handling & Pressure Equipment: High-pressure pump volute casings, multi-stage slurry impellers, industrial valve bodies, and bonnet covers.
Material Handling & Cranes: Heavy overhead crane track wheels, wire rope sheaves, conveyor chain sprockets, and guide rollers.
Earthmoving & Mining Machinery: Excavator bucket tooth adapters, track links, idler wheel bodies, and heavy pivot trunnions.
General Engineering & Custom Plant: CNC machined mounting brackets, eccentric drive cams, tie rods, and bespoke mechanical linkages.

Quality Assurance, Testing & MTC Certification

Every Engineering Products Manufacturer in India manufactured by TDC Alloys undergoes meticulous non-destructive and destructive examination:

Pre-Pour Spectrometry Testing

Direct-reading optical emission spectrometer verifies 28+ chemical elements per heat to guarantee exact alloy compounding.

Computerized Solution Heat Treatment

Calibrated annealing, normalizing, and quenching cycles eliminate thermal stresses and optimize microstructural grain boundaries.

100% NDT Testing Facilities

Ultrasonic Testing (UT per ASTM A609), Magnetic Particle Inspection (MPI per ASTM A275), and Liquid Dye Penetrant examination.

EN 10204 3.1 & 3.2 Certification

Full material test reports with mechanical, chemical, heat treatment charts, working surface hardness, and third-party inspection.

Why Choose TDC Alloys for Engineering Products Manufacturer in India?

Leading engineering equipment manufacturers and project EPCs across India partner with TDC Alloys for our metallurgical capabilities and commitment to quality:

Single-piece casting capabilities from 10 kg up to 3,000 kg backed by 3D mold-flow solidification simulation.
Certified high-tensile alloy steels (ASTM A148), pressure-grade steels (ASTM A216), and ductile SG irons formulated for demanding duty.
Fully equipped in-house machine shop offering proof-machined or finished CNC machined products ready for immediate plant installation.
Strict zero-defect quality protocol backed by ISO 9001 systems and complete raw material to finished product traceability.

Frequently Asked Questions

1. What industrial engineering components and machinery parts does TDC Alloys manufacture?

We manufacture parts for heavy industrial machinery (gearbox housings, bearing pedestals), fluid handling (pump volutes, valve bodies), power transmission (pinions, gears, couplings), material handling (crane wheels, sheaves), and custom CNC machined components.

2. What is the single-piece casting weight capability for engineering components at TDC Alloys?

We produce single-piece engineering castings ranging from 10 kg up to 3,000 kg, accommodating everything from small precision valve bodies to massive hydraulic press cylinders and machine bed frames.

3. Does TDC Alloys offer finish CNC machining for complex engineering components in India?

Yes. Our fully equipped in-house machine shop provides proof-machined or finished CNC-machined components with tight micron tolerances ready for immediate field installation and assembly.

4. What NDT and material testing certifications accompany engineering parts shipments to India?

Every delivery includes comprehensive EN 10204 3.1 Material Test Certificates (MTC) detailing 28-element chemical spectrometry, tensile/yield mechanical properties, hardness verification, heat treatment charts, and 100% NDT (UT & MPI) reports.

5. Can TDC Alloys reverse-engineer legacy engineering machinery parts from broken samples or 2D drawings in India?

Yes. Our engineering team utilizes 3D coordinate scanning, CAD modeling, and mold-flow solidification simulation to accurately reverse-engineer and cast obsolete or non-standard engineering parts with optimized metallurgy.

Request an Engineering Products Quote for India

Submit your drawings, material specifications, and batch quantities for prompt technical review and direct foundry pricing.