What DKL Metals Ltd does

DKL Metals Ltd is a UK-based, privately held specialty alloy manufacturer founded in 1986 and headquartered in Grangemouth, Scotland. The company produces high-purity lead-free and lead-containing solders, solder pastes, cored and solid solder wires, fluxes, master alloys (tin phosphorus, tin nickel, tin germanium), white metal bearing alloys compliant with BS 3332:1987, custom fusible alloys, casting alloys, and a broad range of base and minor metals (antimony, bismuth, cadmium, indium, magnesium, silicon, manganese, arsenic, cobalt, lead, tin). Its most strategically important position is as the exclusive UK licensed manufacturer of the SN100C family of silver-free lead-free solder alloys under a partnership with Nihon Superior Co. Ltd in place since 2002, covering SN100C, SN100CV, SN100Ce, SN100CL, and SN100CLe variants.

The business operates a direct B2B sales model with quote-based pricing, complemented by channel partnerships: DKL is the exclusive UK manufacturing partner for Balver Zinn and the UK distribution partner for Cobar (Balver Zinn Group) products, and co-exhibits with Surclean Material Technology at industry events such as Southern Manufacturing & Electronics. Revenue is generated through standard catalogue product sales, custom/tailored alloy development, solder bath analysis, and recycling services. Manufacturing is supported by ISO 9001:2015 and ISO 14001:2015 (UKAS-accredited) integrated management systems.

DKL serves electronics manufacturing, aerospace, military, medical device, automotive, plumbing/HVAC, industrial bearing, and jewellery/casting sectors, with both RoHS-compliant lead-free products and leaded alloys supplied to RoHS-exempt industries. The company is a member of the Fenix Metals Group ecosystem and sources high-grade tin ingots from Fenix Metals. Despite a stated headcount of 1-10 employees, DKL maintains an unusually broad product catalogue, global export capability for select lines, and active social media presence alongside traditional B2B channels. The business recently experienced the passing of co-founder Colin Longworth in December 2025, which introduces a leadership transition event for this founder-controlled private firm.

Name

DKL Metals Ltd

Legal name

D.K.L. METALS LIMITED

Website

https://dklmetals.co.uk

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

1–10 employees

Short description

DKL Metals Ltd, founded in 1986 in Grangemouth, UK, is the exclusive UK licensed manufacturer of SN100C lead-free solder alloys (Nihon Superior partnership since 2002) and a specialty alloy producer serving electronics, aerospace, medical, automotive, and industrial sectors worldwide.

Ownership category

akta.pro rank

Product category

Solder alloys and specialty metals manufacturing

NAICS

Nonferrous Metal (except Aluminum) Smelting and Refining (331410), Welding and Soldering Equipment Manufacturing (333992), Other Nonferrous Metal Foundries (except Die-Casting) (331529)

SIC

Primary Smelting & Refining Of Nonferrous Metals (3330), Nonferrous Foundries (Castings) (3360)

akta.pro primary industry

Non-Ferrous Base Metals Trading (Aluminum, Copper, Zinc, Lead, Tin, Nickel) (IMAKAJAC)

akta.pro secondary industries

Stainless Steel & High-Temperature Alloy Scrap (Stainless, Inconel, Titanium, Specialty Alloys) (IMAKAMAC), Electroplating & Metallization Chemicals (Cu/Ni/Au plating, additives) (IMAEAKAK)

Keywords

• Solder alloy manufacturing
• Lead-free solder alloys
• Tin-lead alloys
• Electronic solder materials
• White metal bearings

Headquarters

HQ city

Grangemouth

HQ country

United Kingdom

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Personnel, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Solder and Alloy Product Sales: DKL Metals generates revenue through the manufacture and sale of solder alloys, solder wires, solder pastes, fluxes, and metal products. Revenue is derived from both standard catalogue products and bespoke/tailored alloy formulations. Customers include electronics manufacturers, aerospace, automotive, medical, plumbing, and industrial sectors.
2. Custom/Tailored Alloy Manufacturing: Collaborative custom alloy development service where DKL works with customers to formulate bespoke solder and alloy compositions. Revenue generated through one-off or recurring custom production orders for specialized industrial applications.
3. Solder Analysis and Recycling Services: The company offers solder bath analysis services to help customers monitor contaminant levels (e.g., copper build-up) and optimise solder bath performance. This service supports product sales while providing recurring customer engagement.

Go-to-market motion3 records

Distribution channels4 records

Marketing channels5 records

Core offering

DKL Metals Ltd manufactures and supplies solder alloys, specialty metals and related soldering consumables. Its core offerings include the SN100C family of lead-free solder alloys (licensed from Nihon Superior), SAC305 and tin-lead solders, solder pastes (Clearflow DK-P6, Cobar OT2), cored and solid solder wires, industrial fluxes, tin-based master alloys (SnP, SnNi, SnGe), BS3332 white metal bearing alloys, casting/pewter alloys, and a wide range of base and minor metals (tin, lead, antimony, bismuth, indium, magnesium, silicon, manganese, cobalt, arsenic, cadmium). The company also provides bespoke alloy development and solder bath analysis/recycling services to electronics, aerospace, military, medical, automotive, plumbing and industrial customers.

Product overview

DKL Metals Ltd is a UK-based manufacturer and global supplier of solder alloys, specialty metals, and related products. The product portfolio centers on lead-free solder alloys (notably the SN100C family licensed from Nihon Superior since 2002), tin-lead solders, electronic solder pastes (Clearflow DK-P6, Cobar OT2), cored and solid solder wires (Clearflow L0, EQ-STD), industrial and custom alloys, master alloys (tin-phosphorus, tin-nickel, tin-germanium), white metal bearing alloys (BS3332 range), casting alloys and pewters, and a comprehensive range of base and minor metals (antimony, bismuth, cadmium, indium, magnesium, silicon, manganese, arsenic, cobalt). The company also offers bespoke/custom alloy development, solder analysis services, and recycling programs. Products serve the electronics, aerospace, military, medical, automotive, plumbing, and industrial manufacturing sectors.

Differentiator

Problem solved

Functional benefit

Products and services

• SN100C Solder Alloy Premium lead-free Sn-Cu-Ni-Ge solder alloy for wave and selective soldering; the UK's only licensed SN100C alloy since 2002 under Nihon Superior partnership. For electronics manufacturers requiring RoHS-compliant silver-free soldering.
• SN100CV P608 D4 Solder Paste High-performance silver-free lead-free solder paste offering approximately 30% higher fatigue strength than standard SN100C, ultra-low voiding and halogen-free (ROL0) formulation. Fully compatible with SAC305 reflow profiles for high-reliability electronics.
• SN100CL HASL Alloy Lead-free solder alloy specifically formulated for Hot Air Solder Leveling (HASL) applications with nickel and germanium enhancements, supplied as bars.
• SN100Ce Top-Up Alloy Premium lead-free top-up alloy for SN100C solder baths that maintains nickel and germanium levels while reducing copper concentration.
• SN100CLe HASL Top-Up Alloy Lead-free HASL top-up alloy for maintaining SN100C solder bath composition in HASL processing lines.
• Lead-Free Solid Solder Wire (E-Qual) Specialised solid solder wire engineered for automated selective soldering, supplied in 2mm and 3mm diameters on DIN K125 plastic reels. Reduces solder consumption by up to 90% compared to traditional wave soldering.
• DKL Clearflow L0 No-Clean Cored Solder Wire Halide-free, ROL0-classified no-clean cored solder wire with proprietary modified rosin flux system leaving minimal clear residue. Passes SIR, electromigration, copper mirror and copper corrosion tests with a 4-year guaranteed shelf life.
• EQ-STD Purified Rosin Cored Solder Wire Professional no-clean cored solder wire with modified rosins leaving transparent, non-corrosive residues for SMT and wave soldering applications.
• DKL Clearflow DK-P6 Solder Paste No-clean halogen and halide-free lead-free solder paste using SAC305 alloy with 88.5% metal content. Supports Type 3, 4 and 5 powder sizes for fine-pitch SMT with extended stencil life and 72-hour tack life.
• Cobar OT2 Lead-Free Solder Paste High-reliability no-clean solder paste platform with halogen and halide-free flux chemistry, available in SN100C and SAC305 alloys. Distributed in the UK by DKL Metals under its Cobar partnership.
• Low SAC Type Y (SAC0307) Electronic Solder Cost-effective lead-free alternative to traditional tin/lead and high-silver SAC alloys, with 0.3% silver (SAC0307) content for wave soldering applications.
• Tailored SAC Alloys Custom SAC alloy formulations with precise tin, silver and copper ratios tailored to specific manufacturing requirements.
• Tailored Leaded Solder Bespoke leaded solder bars with custom alloy compositions for industries exempt from RoHS legislation.
• Custom Industrial Solders Custom industrial solder formulations for plumbing, heat exchangers, cable jointing, stained glass work and aluminium applications.
• Custom Fusible Alloys Tailored low melting point alloys (approximately 47°C to 183°C) for optical lens grinding, safety devices, tube bending and radiotherapy shielding applications.
• BS3332 White Metal Bearing Alloys (A–H, /1 to /3) Complete range of BS 3332:1987 compliant tin-based and lead-based white metal (Babbitt) bearing alloys, covering grades A–H /1 to /3, for high-performance engine, turbine, compressor and industrial bearing applications.
• Custom White Metal Bearing Alloys Tailored tin and lead-based white metal bearing alloys customised to exact engineering and performance demands for specialised bearing applications.
• Custom Casting Alloys Extensive selection of tin-based, lead-based and lead-free pewter casting alloys for jewellery, model figures, toy soldiers and giftware applications.
• Tin Phosphorus Master Alloy High-purity tin phosphorus master alloys (95Sn-5P, 97Sn-3P, 99Sn-1P) supplied in waffle plates, ingots and discs for deoxidising, grain refining and anti-drossing in wave soldering and foundry casting.
• Tin Nickel Master Alloy High-purity 95Sn-5Ni and 90Sn-10Ni master alloys (99.9% minimum combined purity) for introducing nickel into tin-based solders and Babbitt bearing alloys, optimised for bath dissolution.
• Tin Germanium Master Alloy 1% germanium in high-purity tin base (Sn99.3/Cu0.65/Ni0.05/Ge0.005 equivalent) for controlled germanium addition to tin alloys and SN100C solder production.
• High Purity Tin Anodes and Bars Pure tin anodes in various profiles (ovals, hemispheres, flat rolled, granules) and pure tin bars for electroplating and PCB manufacture.
• High Grade Lead Ingot (Pb) High purity 99.97% (3N7) lead ingots for battery production, radiation shielding, cable sheathing and alloy manufacturing.
• Lead Sash Window Weights Traditional lead sash window weights for counterbalancing vertical sliding windows in period window restorations.
• High Grade Antimony Ingots Antimony ingots (99.65% and 99.9% purity) used as hardening agent in lead/tin alloys, flame retardants and battery applications.
• Bismuth (Bi) Low melting point alloying metal with 99.99% minimum purity in various forms for fusible alloys and non-toxic lead substitutes.
• Cadmium Metal (Cd) High-purity cadmium (99.97% and 99.99%) for aerospace electroplating, Ni-Cd batteries and fusible safety alloys.
• Indium 99.99% minimum purity indium for electronics, flat screen displays, ITO coatings and low melting point fusible alloys.
• High Purity Magnesium 99.9% minimum purity magnesium in 8kg, 1kg and 100g forms for lightweight alloy castings and steelmaking desulfurisation.
• High Purity Silicon Metal 99% minimum purity silicon metal in 3-10mm, 10-50mm and 10-100mm lumps for aluminium alloys, brass and bronze production.
• Manganese Flake 99.7% minimum purity manganese flakes (1-25mm) for steelmaking and aluminium/bronze alloy production.
• High Purity Arsenic 99.9% minimum purity arsenic in 50-100mm lumps for lead alloy battery grids and brass/copper corrosion resistance.
• High Purity Cobalt Metal 99.9% minimum purity cobalt in broken cathode pieces and 1-inch rounds for aerospace superalloys, tool steels and batteries.
• Industrial Fluxes and Solder Paint Industrial fluxes and solder paints including Epatam Solder Paste, E-Qual 35S, Pure Tin Solder Paint and Sn60 Pb40 Solder Paint for industrial soldering and tinning applications.
• Solder Analysis and Recycling Services Laboratory services for solder bath analysis (contaminant monitoring such as copper build-up) and solder waste recycling to support manufacturing quality control and optimise solder bath performance.

Quantifiable outcome

• SN100CV solder paste delivers approximately 30% higher thermal fatigue strength than standard SN100C
• +2 more outcomes

Segments7 records

Ideal customer profiles7 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature7 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Nihon Superior Co. LtdcoreOEM/ Whitelabel/ Licensing PartnerDKL Metals is a trusted partner and the exclusive licensed manufacturer of SN100C lead-free solder alloys in the UK since 2002. The partnership provides DKL with rights to manufacture and sell SN100C and related alloys (SN100CV, SN100Ce, SN100CL, SN100CLe), representing the company's most important product line and primary competitive differentiator.
• Balver ZinncoreOEM/ Whitelabel/ Licensing PartnerDKL Metals is the exclusive UK manufacturing partner for Balver Zinn, distributing the full ecosystem of high-performance Balver Zinn solder products to the UK electronics industry. Products include LF2220NC, LF3135NC cored solder wires and Cobar flux series.
• Cobar (Balver Zinn Group)coreChannel Partner/ Reseller/ DistributorDKL Metals is the official UK distribution partner for Cobar electronics assembly materials, including OT2 no-clean solder paste platform and 390-RX-HT wave soldering flux. Cobar products complement DKL's own manufactured lines.
• Surclean Material TechnologyminorGTM or Marketing PartnerDKL Metals co-exhibits with Surclean at Southern Manufacturing & Electronics events. Surclean also serves as a reseller for small-scale DKL product orders (under 20kg), such as LowSAC 1kg bars, extending market accessibility.
• Fenix MetalsminorOthersFenix Metals is a supplier of high-grade tin ingots to DKL Metals, featured alongside DKL on the company website. Fenix conflict mineral policy is linked on DKL's site.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Market position

Strengths4 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@Calz_1
• Instagraminstagram.com/calz_1
• TikToktiktok.com/@calz_1

Compliance3 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about DKL Metals Ltd