Industries We Serve

From single-product fastener lines to multi-bath commercial heat treatment shops — we supply the chemicals that keep Gujarat's industrial processes running.

Die pre-heating · Tool hardening · Precision forgings

Forging

Forge shops subject dies, punches and mandrels to extreme thermal and mechanical stress. Correct pre-heating using neutral salt baths minimises thermal shock, extends die life and improves surface quality on forgings. Hardening salts protect high-speed steel and hot-work die materials during critical hardening cycles.

Products Used

SN-660 Neutral Salt — die and punch pre-heating
SN HSS-972 Hardening Salt — hardening of hot-work die steels
TC-30 Powder — bath maintenance and rectification

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Stress relief · Normalising · Surface finish

Foundry & Casting

Cast iron and cast steel components need post-casting heat treatment for stress relief, normalising and surface conditioning. Salt bath treatment gives more uniform temperature distribution than furnace treatment alone, reducing distortion in thin-wall and complex castings.

Products Used

SN-660 Neutral Salt — stress relief and normalising
SN-140 Tempering Salt — low-temperature treatment of precision castings
SN-220 Tempering Salt — austempering of ductile iron

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Martempering · Dimensional stability · Tight tolerances

Bearings

Bearing rings require martempering to achieve hardness uniformity and dimensional stability. Salt bath quenching minimises distortion on thin-section rings — critical when bore and OD tolerances are measured in microns. SN-140 is the standard choice for bearing steel grades like 100Cr6 and EN31.

Products Used

SN-140 Tempering Salt — martempering of bearing rings and rollers
SN-220 Tempering Salt — secondary tempering for high-carbon bearing steels
SN-660 Neutral Salt — Austenzing before quenching

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Salt bath hardening · Uniform case · High-volume throughput

Fasteners

High-tensile bolts, studs, nuts and socket screws are processed in bulk through continuous or batch salt baths. Salt bath hardening gives consistent hardness across every fastener in the load, with no cold spots and no scale to remove. Lower distortion means fewer rejects at the threading and gauging stages.

Products Used

SN-660 Neutral Salt — austenitising of carbon steel fasteners
SN-140 Tempering Salt — martempering for grades 8.8, 10.9 and 12.9
SN-220 Tempering Salt — tempering for high-strength alloy fasteners

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Gears · Shafts · Springs · Valve components

Auto Components

The auto component supply chain demands high volumes, tight tolerances and batch-to-batch consistency. Gears, output shafts, camshafts, coil springs and valve stems all pass through heat treatment before assembly. Salt bath processes give the repeatable surface quality and distortion control that OEM supply chains require.

Products Used

SN-660 Neutral Salt — Austenizing before quenching
SN-140 / SN-220 — martempering of gears, shafts and springs
TC-30 Powder — component degreasing before and after heat treatment

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HSS tools · Cold-work dies · Precision tooling

Tool & Die

HSS drills, taps, end mills, reamers and broaches need high-temperature salt bath hardening to achieve full hardness without decarburisation. Cold-work and hot-work dies benefit from controlled salt bath treatment that protects intricate tool geometry. TC 30 keeps the salt bath in condition for consistent results across tool batches.

Products Used

SN HSS-972 Hardening Salt — hardening of HSS cutting tools
SN-660 Neutral Salt — pre-heating and annealing
SN-220 Tempering Salt — secondary hardening and tempering of HSS
TC-30 Powder — neutrality maintenance

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Job-shop operations · Multi-product baths · Volume supply

Commercial Heat Treatment

Commercial heat treatment shops handle components from multiple industries under one roof. They need a supplier who can deliver mixed loads — different salt types in one dispatch, on short notice, with documentation ready to hand to their OEM customers. That is exactly what we do.

Products Used

All heat treatment salts — stocked and ready for same-day dispatch
TC-30 Powder — component degreasing between jobs
Blackodies SN BS-110 — black oxide coating as a finishing step

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Not sure which product fits your process?

Call us or send a WhatsApp. 37+ years of heat treatment experience — we have almost certainly solved the same problem before.

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