Process Plant & Chemical Industry Scrap Singapore

Molten Steel buys process-plant and chemical-industry scrap metal from Singapore’s petrochemical refineries, chemical plants, water treatment facilities, and pharmaceutical manufacturers. Typical loads come off plant turnarounds, equipment refits, and end-of-life decommissioning — with the highest-value content concentrated in specialty-alloy heat-exchanger bundles, vessel internals, and process tubing. We coordinate around plant-shutdown schedules and provide the receiving infrastructure (40-footers, low-bed, bins) to handle oversized and time-critical loads.

What We Buy From Process Plants

• Heat-exchanger bundles — tube + shell + tubesheet assemblies. Tubes often CuNi (seawater service) or stainless 304/316 (process service); shells often carbon steel or stainless. Highest non-ferrous concentration of any plant scrap stream.
• Reactor internals & vessel sections — INCOLOY 625, INCOLOY 825, Hastelloy in aggressive service; stainless 316L in standard chemical service. See our special alloys page.
• Process tubing & piping — stainless 304/316, duplex (SAF 2205), super-duplex (SAF 2507), CuNi 90/10 / 70/30 seawater service.
• Distillation column trays & internals — stainless or specialty alloy depending on service severity
• Valves, pumps, instrumentation — bronze, stainless, brass; typically removed in batches during turnarounds
• Boiler tubes & superheater elements — carbon steel, low-alloy steel, sometimes specialty for high-temp service
• Demolition material — structural steel from plant decommissioning. See our demolition recovery page.
• Surplus & project leftovers — unused alloy stock from completed plant builds. See our surplus stock page.

How We Work With Plant Operators

1. Pre-turnaround scoping. We meet with plant maintenance + procurement before the shutdown window, walk the planned removals, and pre-position bins, 40-footers, and low-bed staging.
2. Alloy registry. For mixed alloy plants we maintain a stream-by-stream alloy registry (which heat exchanger is CuNi 90/10, which is 70/30, which reactor section is INCOLOY 625) so settlement runs without alloy dispute.
3. XRF on every non-ferrous lot. Handheld spectrometer reading shown to the plant rep on settlement — rate follows the verified alloy.
4. Mill-paperwork premium. If the plant has retained the original certificates of conformity for vessel internals or specialty piping, the verified provenance lifts the rate by 15–25% on specialty alloys.
5. Multi-shift turnaround coverage. For 24-hour turnaround windows we can run double-shift pickup so removed material clears the work area continuously.
6. Single consolidated reporting. One weighing-ticket file per turnaround, alloy breakdown by lot, settlement statement to the plant’s nominated cost centre.

Indicative Rates for Process-Plant Scrap

Material	Indicative rate	Notes
Stainless 304 process tubing	$1.20/kg	Standard chemical service
Stainless 316 process tubing	$2.90/kg	Aggressive chemical service
Duplex stainless (SAF 2205)	Call to enquire	Higher Cr/Mo — photos + qty
Super-duplex (SAF 2507, Zeron 100)	Call to enquire	Offshore, sour-gas service
INCOLOY 625, 718, 825, 925	Call to enquire	Reactor internals, sour-service tubing
Copper-nickel 90/10 / 70/30	Call to enquire	Seawater heat exchanger tubing
Hastelloy C-276, C-22, B-3	Call to enquire	Aggressive chemical service
Carbon steel structural / boiler tube	$0.38–$0.39/kg	HMS 1 grading on thickness
Bronze valves & fittings	$9.00–$12.30/kg	Yellow / red brass / bronze

Plant Turnaround & Shutdown Windows

Plant turnarounds — whether 7-day mini-turns or 30-day major shutdowns — are the dominant scrap-generation windows for process plants. The economic value of a turnaround scrap stream is concentrated in heat-exchanger tube bundles (CuNi or stainless), reactor vessel internals (INCOLOY or Hastelloy in aggressive service), and process piping (stainless / duplex / specialty). For a major turnaround at a Jurong Island facility, this stream can run into six figures of metal value — making coordinated recovery worthwhile.

Our pre-turnaround scoping covers: planned removal list with anticipated alloys, bin and 40-footer staging requirements, low-bed scheduling for oversized assemblies, alloy verification approach for unstamped sections, and reporting cadence for the plant’s cost-centre tracking. We’ve worked alongside Singapore’s major EPC and maintenance contractors on multi-week turnarounds; ask for a reference if useful.

Industries Within Process & Chemical We Serve

• Petrochemical refineries — Jurong Island cluster, sour-service alloys dominant
• Specialty chemical & intermediate manufacturers — Tuas, Jurong Island, mixed alloy profile
• Water treatment & desalination — super-duplex, CuNi-heavy heat exchanger fleets
• Pharmaceutical manufacturing — stainless 316L dominant, occasional Hastelloy in aggressive intermediates
• Food & beverage processing plants — stainless 304/316 sanitary tubing and tank internals
• Power generation — superheater tubing, condenser CuNi tubing, turbine fasteners

How We Receive Process-Plant Loads — Bins, 40-Footer, Low-Bed

Process-plant loads cover the full range — a single replaced valve at one end, a complete decommissioned heat-exchanger bundle or distillation column section at the other. Turnaround windows compress receiving cadence; we pre-position bins, 40-footers, and low-bed trailers before the shutdown starts.

• Walk-ins accepted at our 170 Gul Circle yard during business hours (Mon–Sat 8:30am–6:30pm, Sun 8:30am–3:30pm).
• Free scrap bins on site for ongoing producers — we drop bins in common sizes and rotate them on a schedule you choose. Sorted bins earn a higher price per kg.
• 40-footer trailer for long stock — structural beams, profile material, bar, tube, and any item that exceeds standard truck-bed length.
• Low-bed trailer for oversized cargoes — large machinery, vessel internals, complete heat-exchanger bundles, generator sets, transformers, and decommissioned plant.

We focus on receiving infrastructure rather than on-site removal crews. That keeps our per-kilogram quotes ahead of dealers who bundle haulage labour into the price — you handle the lift (or your contractor does), and we handle everything from the weighbridge onward.

Frequently Asked Questions

Do you handle plant turnaround scrap recovery?

Yes — coordinated end-to-end. Pre-turnaround scoping, bin and 40-footer pre-staging, low-bed scheduling for oversized assemblies, multi-shift pickup if needed, single consolidated reporting at end-of-turnaround. We’ve worked alongside Singapore’s major EPC and maintenance contractors on multi-week shutdowns.

What’s the price for INCOLOY 625 reactor internals?

Specialty alloys are quoted on photos + estimated quantity rather than a public per-kg rate — the price depends on grade verification (XRF + mill paperwork), recoverable Ni / Cr / Mo / Nb content, and current LME-plus-premium benchmarks. Send photos and quantity to +65 9106 7577 via WhatsApp. See our special alloys page.

Do you accept heat-exchanger bundles intact?

Yes — we accept complete tube + shell + tubesheet assemblies without dismantling. We have low-bed transport for oversized bundles and our yard handles separation post-receipt. Pricing reflects the alloy mix (CuNi tubes vs carbon-steel shell vs stainless tubesheet) by mass — we run the tear-down and pay against the verified breakdown.

Can you handle the time pressure of a 7-day turnaround?

Yes — double-shift pickup, pre-staged bins, dedicated 40-footer rotation, and direct alloy-verification at the dock so material clears the work area continuously. Call us 4–6 weeks ahead of the shutdown for scoping.

Is mill paperwork required for specialty alloy lots?

Not required, but it lifts the price meaningfully. Heat numbers, certificates of conformity (3.1 / 3.2), positive material identification (PMI) reports — verified provenance reduces our verification risk and we share that benefit. For unstamped lots we use multiple XRF samples plus, for high-value bulk, third-party lab confirmation.

Do you handle confidentiality on plant identity?

Yes — we never publish plant or operator names without written authorisation, and we’re comfortable signing project-specific NDAs. Settlement statements go directly to the plant’s nominated cost-centre or EPC counterpart.