Casting & foundry in India. Rajkot, Coimbatore and Kolhapur.
Casting and foundry covers sand, investment, die and centrifugal casting of iron, steel, aluminium and copper alloys. India's strongest foundry clusters are Rajkot, Coimbatore, Kolhapur–Belagavi, Batala and Kolkata–Howrah, with Agra and Aligarh serving lighter and decorative work.
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- 9
- mapped clusters
- 9
- methods covered
- 6
- product guides
- Casting & foundry clusters
- Other clusters
How it is done.
The methods Indian factories run under casting & foundry, and the materials they work in.
Methods
- Investment (lost-wax) casting
- Green-sand casting
- No-bake (resin sand) casting
- Shell moulding
- Pressure die casting
- Gravity die casting
- Centrifugal casting
- Lost-foam casting
- Fettling and heat treatment
Materials
- Typical MOQ
- Often 100–500 pieces per part for sand and investment casting; die casting usually needs 1,000+ pieces to justify the die.
9 clusters, largest first.
Each cluster page covers what the city is known for, its nearest ports and the clusters around it.
Products that use it.
Step-by-step process chains, QA tests, HS headings and lead times.
Buy it with confidence.
What experienced buyers put in the RFQ and check on arrival.
- Send a 3D model and a 2D drawing with critical dimensions, machining allowances and the casting tolerance grade (e.g. ISO 8062 CT class).
- Ask for a chemistry and mechanical test certificate per heat, and check the alloy on arrival by spectro analysis or PMI.
- Budget for pattern or die costs up front, and confirm in writing who owns the tooling.
Straight answers.
Anything else, ask us directly. A principal replies, not a bot.
[email protected]Which Indian city is best for investment casting?
Rajkot is the best-known cluster for investment castings in steel and stainless steel, with strong capacity also in Coimbatore, Pune, Kolhapur and Belagavi. The right city depends on part size, alloy and the machining you need after casting.
What is the difference between sand casting and investment casting?
Sand casting uses a sand mould and suits larger, simpler parts at low tooling cost. Investment casting uses a wax pattern and ceramic shell, giving finer detail, thinner walls and a better surface finish at a higher piece price.
Can Indian foundries supply machined, ready-to-fit castings?
Yes. Most export foundries machine in-house or through nearby partners and supply finished parts with dimensional reports. Ask for a first-article inspection report before approving production.
Related process families.
A named shortlist of casting and foundry factories.
Send one drawing, photo or quote. We return the process chain, the right cluster and named factories, and a realistic target price.