We now deliver to UK & EU on DDP Terms - Get in touch on contact@exxelmet.com

Marine Cast Iron Counterweights, Subsea Clump Weights & Cable Protection Weights
Corrosion-resistant ballast for offshore, subsea and renewable energy systems
$0.70
Exxelmet supplies marine cast iron counterweights, subsea clump weights, and cable protection weights for offshore and renewable projects. Our ISO-certified foundries deliver repeatable quality, with epoxy/PU coating systems for long salt-spray life and DDP delivery across EU & UK to simplify procurement and customs. Typical applications include subsea cable protection, mooring/anchoring, buoyancy control and equipment stabilization.
Partner with Exxelmet for marine cast iron counterweights, subsea clump weights and cable protection weights.
Get specifications, lead times and DDP EU/UK delivery aligned to your project.
- Email us on contact@exxelmet.com 
- Fill out the Contact Form 
- Function: ballast and stabilization in marine/subsea environments (mooring lines, ROVs, deck equipment, cable protection). 
- Unit weights: 20 - 5000 kg standard; heavier by modular stacks or to spec. 
- Forms: blocks/slabs with handling slots or lifting eyes per design. 
- As-cast or CNC-machined interfaces; chamfers/fillets to drawing. 
- Finishes: primer only, epoxy/PU marine paint, or zinc-rich systems. 
- Marking: cast-in or stamped IDs; OEM color and branding. 
- Supply as loose blocks or framed assemblies for rapid install. 
- Materials: EN-GJL-150/200 (EN 1561), EN-GJS-400+ (EN 1563), ASTM A48/A536. 
- Please refer to equivalent Cast Iron Grades 
- Casting tolerances: ISO 8062-3 CT8–CT10 (as-cast), CT6 (machined). 
- Surface finish: as-cast Ra 12.5–25 μm; machined ≤3.2 μm. 
- Coatings: epoxy/PU multi-coat; DFT to project requirement (e.g., 200–320 μm). 
- Inspection: dimensional, hardness, coating DFT, salt-spray where specified. 
- Green-sand and resin-bonded molds for medium/large weights; pattern tooling built in-house. 
- Fabricated steel frames and brackets for mounting/stacking. 
- Forged lifting inserts/eyes, machined and integrated under WPS/PQR. 
- Full CNC machining for interfaces, bores and lifting slots. 
- Export-grade palletization, edge protectors, VCI/anti-rust wraps. 
- Mixed-load containers available; DDP EU & UK for frictionless delivery. 
- Incoterms: EXW/FOB/CIF/DDP as required; photo-packout records. 
- Offshore wind: clump weights and platform ballast. 
- Subsea: cable protection/lay, ROV/AUV ballast, buoyancy tuning. 
- Ports & marine handling: winch/crane/stability weights. 
- Hydro & tidal: anchoring and structure stabilization. 
- ISO 9001 & ISO 14001 systems; MTCs and inspection reports. 
- Material and coating traceability; CE where applicable. 
- Equivalent grade cross-references provided for ASTM/ISO/DIN. 
Standard patterns: typically 4–6 weeks to ship; New tooling per complexity.
Please refer to our pricing guidance:
- International Customers: Price in USD 
- Domestic Customers: Price in INR 
- 95–98% recyclable iron content 
- Long service life vs. concrete 
- Low field maintenance. 


Copyright © 2025 Exxelmet
P-200, Benares Road, P. O. Netajigarh, Howrah, West Bengal, India. Pin Code 711108
Tel: +91 98311 11541
Email: contact@exxelmet.com
