Coimbatore, India  ·  Global Export Foundry

Specialty Alloy
Castings Built For
Demanding Service

Sand and shell moulding across steels, duplex stainless, nickel-base alloys and bronzes — produced to international standards for critical industrial applications worldwide. Small-batch, high-specification, export-ready.

0
Tonnes / Month
Liquid metal capacity
50kg
Max Part Weight
Per casting
4–6
Week Lead Time
Tooling ready
100+
Years Combined
Engineering experience

"The strength of a casting is not in the metal alone — it lives in the chemistry, the process and the discipline behind it."

Kobolt Engineering Philosophy
Sand Mould Casting
Shell Mould Casting
Duplex & Super Duplex
Ni-Base Alloys
ASTM A351 · A494
EN 10204 3.1 / 3.2 MTCs
ISO 9001:2015
NDT — PT · MT · RT
Oil & Gas · Marine · Chemical
MOQ from 50 kg
Global Export Ready
Sand Mould Casting
Shell Mould Casting
Duplex & Super Duplex
Ni-Base Alloys
ASTM A351 · A494
EN 10204 3.1 / 3.2 MTCs
ISO 9001:2015
NDT — PT · MT · RT
Oil & Gas · Marine · Chemical
MOQ from 50 kg
Global Export Ready
"Metallurgy is not guesswork.
It is chemistry under discipline — repeatable, verifiable, uncompromising."
Foundry Engineering Principle
What We Cast

Precision Alloy Castings For Critical Service

Sand and shell moulding across ferrous and non-ferrous systems — engineered to withstand corrosion, high temperature, pressure and wear in the most demanding industrial environments.

Steel Castings

Sand · Shell Moulding
30T/ month
CF8M (316)CF8 (304) CF3M (316L)Duplex 2205 Super Duplex 2507CA6NM WC6 Cr-MoWC9 Hastelloy C-276Monel 400 Zeron 100Ferralium 255

Valve bodies, pump casings, impellers and pressure housings for Oil & Gas, Chemical & Petrochemical, Marine, Water Treatment, Power Generation and Pharmaceutical applications. Proprietary range: SS centrifugal pumps, Y-strainers, ball valves in CF8M and duplex grades.

Aluminium Castings

Gravity Die · Sand · Shell
10T/ month
Gravity DieLPDC Vacuum / Inert Melt

Valve and pump components for water treatment, industrial and process applications. Vacuum and inert atmosphere melting available to ensure inclusion-free, high-integrity aluminium castings.

Bronze & Copper Alloys

Sand · Shell Moulding
5T/ month
Al Bronze AB1NAB (C95800) Gunmetal LG2Phosphor Bronze PB1 Mn Bronze HTB3

Marine propeller hubs, ship valves, seawater pump impellers, bearing bushings and fire-fighting valves. Nickel aluminium bronze specified for offshore, desalination and naval applications where seawater corrosion resistance is critical.

Industries Served
Oil & Gas / Refinery Chemical & Petrochemical Marine & Offshore Water & Desalination Power Generation Pharmaceuticals & Food Mining & Minerals General Engineering
"An alloy that performs in the harshest conditions
was designed that way — not discovered by accident."
Materials Engineering Principle
Manufacturing Process

From Charge Metal To Certified Component

A tightly controlled, repeatable manufacturing process — designed for consistency in chemistry and dimensions across every heat, every batch, every customer.

Melting & Refining

100kg Coreless Induction Furnace 30T / month liquid metal availability Argon diffuser purging — inclusion removal Vacuum / inert atmosphere melting OES optical emission verification — heat-by-heat Controlled charge blending: virgin alloy + certified scrap Pyrometer temperature monitoring

Moulding & Casting

Sand mould casting — 5T / month Shell mould casting — 5T / month 450×450mm maximum platen size CO₂ · No-Bake · Alfa-Set core processes Gravity die & LPDC All processes support parts up to 50 kg Pattern development: teak wood & aluminium
Quality & Testing

Every Casting Validated Before Dispatch

Material test certificates issued for every heat and batch. Full chemical, mechanical and NDT documentation supplied to customer specification. Third-party inspection by Lloyd's Register, Bureau Veritas, SGS and TÜV arranged on request.

Chemical Analysis

  • NABL-accredited 32-channel ICP Spectrometer
  • OES optical emission — verified heat-by-heat
  • Controlled charge blending: virgin alloy + certified scrap
  • Microstructure & corrosion testing with leading universities

Mechanical Testing

  • UTM — 40T computerised universal testing machine
  • Tensile strength, yield strength & elongation
  • Charpy impact testing to −196°C
  • 3000kg optical Brinell hardness tester

Non-Destructive Testing

  • Magnetic particle testing — 0 to 1500 Amps
  • Dye penetrant testing
  • Ultrasonic testing — ASNT Level II inspectors
  • Radiographic testing: IR-192, Co-60 sources

Dimensional Inspection

  • 2× CMM coordinate measuring machines
  • CI surface table 2×1.5m, 1000mm height gauge
  • Inspection tools & gauges to international standards
  • EN 10204 3.1 / 3.2 material test certificates issued
Standards & Compliance
ISO 9001:2015 ASTM A351 ASTM A494 ASTM B148 BS 1400 EN 10204 3.1 / 3.2 ASME Section V ASME B16.34
"A foundry earns its reputation
one certified casting at a time."
Kobolt Quality Ethos
Contact

Get In Touch

📍

Address

No. 127E, ChinthamaniThoppu, Chinthamanipudur
Coimbatore – 641 103, Tamil Nadu, India

📞

Phone

+91 95003 15015

Brijesh Ravindranath — Founder & Managing Director

🌐

Website

www.kobolt.in