PRECISELY ENGINEERED
DUCTILE IRON CASTINGS
Partnering with global OEMs to deliver zero-defect spheroidal graphite (SG) and gray iron casting solutions for pressure equipment, automotive, and heavy machinery.
EN-GJS-500-7
ASTM A536
±0.01 MM
CAD READY
Forging trust with high-precision cast iron engineering
Founded in 1991, Asian Technocast LLP has grown from a domestic casting shop into a state-of-the-art foundry exporter serving international OEMs. We specialize in producing casting solutions in Gray Iron and Ductile Iron, with cast weights ranging from 5kg to 500kg.
We act as an engineering co-design partner. From pattern gating simulation to machining and final testing, our zero-defect manufacturing process ensures your components are delivered ready-to-assemble.
OEM Manufacturing
Automated casting runs.
Iron Grades
Ductile SG & Gray Iron.
Machining Support
CNC turned & milled parts.
Quality Testing
In-house metallurgical lab.
Why Global Procurement Officers Choose Us
We eliminate supply chain failure points by providing an end-to-end casting production framework under one quality certificate.
Engineering Co-Design
Our foundry engineers analyze pattern parting lines and gating systems in CAD to avoid porosity and structural weakness prior to pouring.
Single-Source Solution
Save logistics management overhead. We deliver components raw, heat-treated, shot-blasted, or fully machined in our in-house CNC shop.
Flexible Scale Runs
We operate automated high-pressure molding lines for large automotive batch runs, alongside hand-molding shops for prototypes.
Zero-Defect Control
Every furnace heat undergoes spectrometer metal analysis before pouring. Physical, nodularity, and NDT reviews are recorded and certified.
Global Just-In-Time
Our container shipping networks out of Mundra Port serve Europe, the United States, and Asian shipping ports on strict JIT timelines.
Certified Compliance
Full compliance with European Pressure Equipment directives (PED) for valves and ISO standards for industrial machinery.
High-Precision Casting Solutions Catalog
Explore our core metal grades and weight capacities engineered for heavy industrial OEM applications.
Ductile SG Iron Castings
| Material Type | Spheroidal Graphite Iron |
| Weight Range | 5kg - 300kg |
| Core Grades | EN-GJS-400-15, 500-7 |
| Critical Specs | ASTM A536, BS EN 1563 |
Gray Cast Iron Castings
| Material Type | Flake Graphite Cast Iron |
| Weight Range | 10kg - 500kg |
| Core Grades | EN-GJL-200, 250, 300 |
| Critical Specs | ASTM A48, BS EN 1561 |
Machined Components
| Material Type | Machined SG & Gray Iron |
| Weight Range | 5kg - 250kg |
| Tolerances | Micron level (±0.01mm) |
| Machining CNC | CNC Turning & VMC Milling |
Foundry Production Capacity & Limits
Quantitative overview of our manufacturing envelope, alloys, and testing tolerances.
Casting Weight Range
Capable of single pouring blocks from small precision valve items up to massive heavy machine bases.
Standard Material Grades
Full spectrum cast iron (EN-GJL-150 to 300) and ductile iron (EN-GJS-400-15 to 700-2) melts.
Machining Tolerances
High-speed machining centers delivering critical dimensional tolerances down to ±0.01mm.
Annual Production Capacity
Large-scale foundry throughput ensuring delivery security for high-volume automotive & OEM contracts.
Testing & Verification
Ultrasonic, magnetic particle, dye penetrant testing, and hydrostatic pressure testing in-house.
Heat Treatment Options
Stress relieving, normalizing, and tempering furnace cycles managed to optimize iron tensile properties.
Serving Critical Sectors Across the Globe
We manufacture critical load-bearing and pressure-retaining components for sectors where cast failure is not an option.
Pump & Valve Industry
Pressure containment casings & valve bodies.
Automotive & Powertrain
Dynamic stress-tolerant safety parts.
Hydraulics & Pneumatics
High-pressure fluid power parts.
Earthmoving & Mining
Abrasive wear & impact-resistant frames.
Agriculture Equipment
Tough outdoor structural brackets.
General Engineering
High-machinability tool beds & structures.
Pump & Valve Industry
High-pressure containment castings designed to withstand chemical erosion, cavitation, and extreme thermal cycles in water, oil, and gas systems.
Gate Valves, Ball Valves, Impellers, Pump Casings
EN-GJS-400-18, EN-GJL-250, ASTM A395
The Engineering Casting Process
Trace the controlled steps behind our zero-defect castings, from initial simulation reviews to dispatch logistics.
1. CAD Simulation
Gating feed paths are calculated to optimize fluid metal flow and eliminate hot spot shrinkage.
2. Mold Prep
Auto sand mixers prepare uniform green sand molds, ensuring consistent surface finishes.
3. Melting & Pouring
Induction furnaces melt alloys. Chemical elements are analyzed via spectrometer before pouring.
4. Machining & QC
Castings are trimmed, shot-blasted, machined, and subjected to final tensile and hardness tests.
Our End-to-End OEM Collaboration Flow
From the initial quote request to global port dispatch, we maintain strict stage-gate quality checks.
Technical RFQ
Client submits 3D CAD models. Our sales engineers evaluate material volume, grade, and specifications.
Engineering Review
We run casting solidification simulation to check parting lines and gating designs to prevent defect hotspots.
Pattern Tooling
CNC machining of wood or metal pattern tooling, followed by sample casting pours for client dimensional sign-off.
Casting & Machining
Pouring alloys under strict chemical control, shot blasting, and VMC/CNC precision machining.
Final Inspection
Coordinate Measuring Machine (CMM) dimensional checks, spectrometer alloy tests, and ultrasonic NDT scans.
Secure Packaging
Applying anti-rust oils, custom wooden pallet packaging, and seaworthy container securing.
Global Dispatch
Logistics management from Rajkot to Mundra Port, exporting custom casting products globally on JIT timelines.
Equipped with Modern Infrastructure
Take a virtual audit of our heavy-duty casting shop, automated sand loops, and high-precision CNC machining bays.
High-Precision Machining Center
Fully integrated CNC Turning Centers and Vertical Machining Centers (VMC) delivering micron-level tolerances. We supply ready-to-assemble valve bodies, pump castings, and motor housings.
- Equipment: VMC (Vertical Machining Centers) & CNC lathes
- Tolerances: ISO 2768-f compliant (down to ±0.01mm)
- Processing: Boring, face milling, threading, tapping
Induction Melt Furnaces
Medium frequency electric induction melting furnaces ensuring precise temperature alloy ratios prior to mold pours.
Automated Green Sand Loop
Pneumatic high-pressure flaskless moulding lines guaranteeing dimensional consistency across high batch runs.
Intensive Sand Mixers
Automated sand preparation plant analyzing sand moisture, compatibility, and gas permeability in real-time.
Spectroscopy Lab
26-channel optical spectrometer analyzing furnace melts in under 10 seconds to authorize casting pours.
Our In-House Metallurgical Laboratory
We maintain zero-defect policies with rigorous physical, chemical, and non-destructive examination protocols certified to international standards.
Chemical Analysis
26-channel Optical Emission Spectrometer checks chemical balances (C, Si, Mn, P, S, Cr, Mg) prior to metal casting pours.
Mechanical Tests
Universal Tensile Testing machine (40 Ton) and Brinell hardness testing checking material load compliance.
Microstructure
Metallurgical image analyzer checking graphite nodularity percentage, shape, and nodule counts for SG Iron.
Non-Destructive Testing
Ultrasonic testing (UT), Magnetic Particle inspection (MPI), and Dye Penetrant testing identifying sub-surface defects.
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Annual Capacity
Metric Tons of melting capacity
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OEM Partners
Global industrial corporations served
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Export Markets
Shipments across Europe, USA & Asia
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Years Experience
Foundry operations since 1991
Castings & Machined Components Portfolio
Visual showcase of our shot-blasted, fettled, and precision-turned B2B iron castings.
What Our OEM Partners Say
"Asian Technocast has been our primary casting supplier for valve housings for over 8 years. Their pressure containment ratings are consistent, and their engineering feedback during pattern design stages saved us thousands in waste costs."
"The nodularity counts and micro-structures on their Ductile Iron castings are always perfectly balanced. Their machined castings arrive ready for assembly directly onto our automated lines, maintaining our strict JIT targets."
Technical Inquiries Hub
Quick answers to common engineering and commercial compliance checks for casting procurements.
We manufacture casting components ranging in weight from 5kg to 500kg. Our automated green sand molding lines handle parts up to 600mm x 600mm, while our manual sand moulding floor accommodates large structural components up to 1200mm x 1000mm.
We cast standard Gray Iron (e.g., EN-GJL-150, 200, 250, 300 / ASTM A48 Class 25, 30, 35, 40) and Ductile Iron / Spheroidal Graphite Iron (e.g., EN-GJS-400-15, 500-7, 600-3 / ASTM A536 Grade 65-45-12, 80-55-06, 100-70-03). Custom chemical alloying runs are available on engineering review.
Yes, every dispatch is accompanied by standard BS EN 10204 3.1 material test certificates documenting spectrometer chemical composition, physical tensile test bars results, hardness ratings, and SG nodularity counts. Non-destructive test reports (UT, MPI) are supplied on demand.
Our design team works natively with 3D CAD platforms. We accept 3D step file formats (.step, .stp), IGES (.iges, .igs), and Parasolid (.x_t) files, along with 2D drawings in PDF or DWG formats for tolerances and machining dimensions.
Standard pattern tooling and casting samples approval takes 3 to 4 weeks. Once sample layouts are approved, production casting batches are shipped in 4 to 6 weeks, depending on final VMC machining requirements and container freight timelines.
Ready to Discuss Your
Casting Requirement?
Submit your drawings, CAD files, or technical specifications. Our engineering team reviews parting lines, gating flow paths, and metallurgical tolerances to return a comprehensive manufacturing proposal.
CAD & Drawing Review
Gating simulation feedback included with all technical proposals.
Material Grade Consultation
Expert support selecting optimal Gray or Spheroidal S.G. Iron grades.
Fast Technical Response
Full engineering-backed quotes delivered within 48 hours.