Is 92J pewter safe for food and drink?

Yes. 92J is a lead-free alloy compliant with BS EN611-1:1996 standards, making it non-toxic and safe for food-contact items like tankards, spoons, and tableware.

How do I prevent surface porosity in my pewter casts?

Maintain a consistent pouring temperature of 290-320°C. Ensure your moulds are properly vented to allow gases to escape and pre-heat your moulds to prevent premature solidification.

Why is my pewter casting brittle or cracking?

Cracking usually occurs due to hot tearing or overheating. Using 92J ensures high malleability; if issues persist, check that you aren't cooling the casting too rapidly or using a mould with restricted shrinkage paths.

Can 92J pewter be plated with silver or gold?

Absolutely. Because of its low porosity and bright finish, 92J serves as an excellent substrate for electroplating, allowing for high-end gold or silver-plated finishes on jewellery and awards.

What are the typical uses for casting alloy 92J?

92J is the industry standard for precision centrifugal casting. It is most commonly used for high-quality costume jewellery, intricate figurines, scale models, and commemorative medals.

Is 92J pewter nickel-free and hypoallergenic?

Yes. 92J is 100% nickel-free and lead-free. It complies with REACH safety directives for items in direct contact with the skin, making it hypoallergenic and safe for jewellery.

Casting Alloys and Pewters - DKL Metals Ltd

Casting Alloy HR1

admin — Mon, 24 Nov 2025 11:32:43 +0000

Casting Alloy HR1 is a specially formulated casting alloy designed for applications requiring excellent mechanical strength, wear resistance, and corrosion protection. HR1 is optimised for heavy-duty industrial castings where dimensional stability and toughness are critical.

Chemical Composition

Element	Typical Range / Max (%)
Tin (Sn)	45 – 46
Lead (Pb)	Balance
Antimony (Sb)	3.25 – 3.75
Copper (Cu)	Max 0.05
Zinc (Zn)	Max 0.005
Iron (Fe)	Max 0.10
Nickel (Ni)	Max 0.01
Bismuth (Bi)	3.25 – 3.75
Cadmium (Cd)	Max 0.05
Silver (Ag)	Max 0.10
Gold (Au)	Max 0.05
Arsenic (As)	Max 0.25
Aluminium (Al)	Max 0.005
Indium (In)	Max 0.10
Phosphorus (P)	Not specified

Key Benefits

Formulated specifically for casting applications requiring toughness and stability
Balanced tin and lead content with optimised antimony and bismuth for enhanced strength
Carefully controlled trace elements to maximise corrosion resistance and wear performance
Good castability while maintaining enhanced mechanical properties
Ideal for custom large-scale casting projects

Why Choose DKL Metals’ Casting Alloy HR1?

DKL Metals guarantees consistency and traceability in Casting Alloy HR1’s composition and quality. Our UK-based manufacturing enables reliable supply and expert technical support for your casting needs.

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Casting Alloy 42

admin — Mon, 27 Oct 2025 14:44:28 +0000

Lead-Rich Alloy for Large, Durable Castings

Casting Alloy 42 is a lead-rich casting alloy specially designed for producing large model figures and components requiring a smooth, hard-wearing surface. Thanks to its robust flow properties and mid-range price, this alloy is a reliable choice for hobbyists and professionals alike who seek strength and fine cast detail in their work.

Technical Data & Properties

Property	Value
Solidus	185°C
Liquidus	225°C
Density	9.1 g/cc
Recommended Pouring Temperature	260–320°C
Alloy Type	Lead-rich casting alloy
Main Application	Large figure and model casting, heavy-duty components

Key Benefits

Delivers a hard-wearing surface finish for long-term use
Excellent flow properties support detailed, smooth mould filling
Robust enough for larger parts and complex shapes
Suitable for hobby and professional casting environments
Mid-priced alloy offering cost-effective performance

Typical Applications

Casting of large model figures, game pieces, and display items
Production of heavy-duty cast components needing durability
Restoration and repair of legacy cast models and collectibles

Why Choose DKL Metals’ Casting Alloy 42?

DKL Metals ensures Casting Alloy 42 meets demanding standards for consistent melting, flow, and casting results. Benefit from technical support and UK-based distribution for fast, reliable delivery and expert advice—whether you’re working on industrial production or hobby casting projects.

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Casting Alloy 34

admin — Mon, 27 Oct 2025 14:44:26 +0000

Lead-Based Alloy for Thin-Walled Model Kits

Casting Alloy 34 is a specialist lead-based alloy engineered for the thin wall sections commonly found in model kits and complex castings. The precise addition of bismuth minimises shrinkage, ensuring castings remain dimensionally accurate with excellent surface quality. Designed for stability on large, flat surfaces, it provides low malleability and robust casting performance even for challenging geometries.

Technical Data & Properties

Property	Value
Solidus	215°C
Liquidus	248°C
Density	8.9 g/cc
Recommended Pouring Temperature	295–325°C
Alloy Type	Lead-based, bismuth-modified casting alloy
Main Application	Thin-walled model kits, large flat surfaces, fine detail pieces

Key Benefits

Minimises shrinkage due to bismuth addition for precise casting results
Excellent performance on large, flat or thin-walled sections
Low malleability ensures robust shape retention
Ideal for hobby and professional model kit casting
Reliable surface finish and dimension stability for intricate moulds

Typical Applications

Detailed model kit construction
Casting components with large, flat or delicate sections
Custom manufacturing where shrinkage control is critical

Why Choose DKL Metals’ Casting Alloy 34?

DKL Metals supplies Casting Alloy 34 with consistent alloy purity and technical support, helping ensure precise, stable castings for demanding modelling and production requirements. Rely on our expertise and UK-based distribution to deliver results and support at every stage of your casting workflow.

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Casting Alloy 31

admin — Mon, 27 Oct 2025 14:44:24 +0000

Lead-Rich Alloy for Model Figure Casting

Casting Alloy 31 is a specialist lead-rich alloy formulated for model figure casting. This alloy excels at providing good fluidity and maximum malleability, making it perfect for creating detailed castings that require “action posing” and flexibility during finishing. With its robust composition and casting properties, It is a popular choice among hobbyist and professional model makers alike.

Technical Data & Properties

Property	Value
Solidus	183°C
Liquidus	242°C
Density	9.59 g/cc
Recommended Pouring Temperature	280°C – 320°C
Alloy Type	Lead-rich casting alloy
Main Application	Model figure casting, action posing details

Key Benefits

Delivers excellent fluidity for intricate mould filling
Maximum malleability, ideal for “action posable” casted figures
Supports easy finishing and shaping post-casting
Reliable casting results for hobby and professional model makers
Consistent quality for heavy-duty and fine-detail figures

Typical Applications

Casting model soldiers, fantasy figures, and display models
Posable figure casting requiring flexibility for creative action poses
Restoration and repair of collectible model castings

Why Choose DKL Metals’ Casting Alloy 31?

DKL Metals supplies Casting Alloy 31 with strict quality control and technical support, helping ensure every cast is consistent and suited to detailed, malleable modelling needs. Rely on our expertise and UK-based delivery for dependable, prompt service in all your casting projects.

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Casting Alloy 55

admin — Thu, 16 Oct 2025 15:23:51 +0000

A High Fluidity Tin-Rich Alloy

Casting Alloy 55 is a high-quality, tin-rich alloy designed for both the model casting and jewellery industries. Offering superb fluidity and a low casting temperature, this alloy is ideal for achieving intricate, high-definition details in small and complex castings. As a mid-priced alloy, it strikes an excellent balance between performance and affordability, making it one of the most popular choices for both hand and precision casting applications. Containing lead, it provides smooth flow and consistent fill across fine mould details.

Technical Data & Properties

Property	Value
Solidus	183°C
Liquidus	185°C
Density	8.5 g/cc
Recommended Pouring Temperature	230 – 280°C (approx.)
Alloy Type	Tin-rich with lead
Main Application	Model casting, jewellery, and decorative reproductions

Key Benefits

Excellent fluidity ensures accurate mould filling for detailed designs
Low casting temperature suitable for hand or small-scale production
Ideal for jewellery, figurines, and decorative cast components
Mid-price alloy offering high quality and consistent results
Contains lead for smooth casting and enhanced cast definition

Typical Applications

Jewellery casting with intricate surface details
Model and miniature figure production
Decorative items and fine reproductions
Prototype and small-batch hand casting operations

Why Choose DKL Metals’ Casting Alloy 55?

At DKL Metals, we supply Casting Alloy 55 with reliable composition control and consistent melting characteristics. Our alloy delivers the high-quality results demanded by jewellers, model makers, and foundry professionals across the UK. Our technical expertise ensures each batch offers superior flow properties and surface finish, with fast delivery and outstanding customer support.

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DKL – About Pewter & Casting Alloys

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Casting Alloy CT1

admin — Thu, 16 Oct 2025 13:36:02 +0000

High Grade Tin-Rich Alloy with Excellent Flow

Casting Alloy CT1 is a high-grade tin-rich alloy containing a small addition of lead, providing improved flow characteristics over traditional lead-free pewter. Known for its user-friendly casting properties, CT1 offers exceptional performance even at lower temperatures, giving a smooth, consistent metal flow and high-quality surface finish. Ideal for both hand casting and automatic casting setups, this alloy is favoured across jewellery, decorative, and precision casting sectors.

Technical Data & Properties

Property	Value
Solidus	185°C
Liquidus	230°C
Density	7.44 g/cc
Recommended Pouring Temperature	260 – 310°C (approx.)
Alloy Type	Tin-rich alloy with small lead addition
Main Application	Jewellery, decorative and high-detail castings

Key Benefits

Improved flow compared to lead-free pewter, ideal for fine mould work
Excellent surface finish with minimal porosity
Easy to handle and cast – very user-friendly even for small batch work
Suitable for hand casting or low-pressure casting systems
High-quality finish suited to jewellery and ornamental products

Typical Applications

Jewellery casting and fine decorative pieces
Artistic and display reproductions
Prototyping and design model work
Custom, low-volume hand-cast components

Why Choose DKL Metals’ Casting Alloy CT1?

DKL Metals supplies Casting Alloy CT1 in tightly controlled batches to ensure reliable melting and flow properties. Our high-purity raw materials and alloying expertise guarantee smooth and repeatable casting performance. With precise composition and responsive UK support, CT1 remains a trusted choice for jewellers, modellers, and craft manufacturers seeking both quality and efficiency.

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DKL – About Pewter & Casting Alloys

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Casting Alloy 75 – For Jewellery & Models

admin — Tue, 14 Oct 2025 15:12:58 +0000

Casting Alloy 75 – High Grade Tin-Rich Alloy for Jewellery & Models

Casting Alloy 75 is a premium tin-rich alloy designed for the jewellery and model-making industries where a polished, pewter-like appearance is required. Containing lead, this alloy combines excellent castability with a fine surface finish ideal for decorative and intricate castings. Its higher melting range makes it suitable for applications requiring durable, eye-catching results.

Technical Data & Properties

Property	Value
Solidus	185°C
Liquidus	270°C
Density	7.8 g/cc
Recommended Pouring Temperature	320 – 370°C (approx.)
Alloy Type	Tin-rich with lead
Main Application	Jewellery, detailed models, decorative castings

Key Benefits

Polished pewter-like finish for attractive appearance
High tin content ensures smooth castings with fine detail
Suitable for jewellery and model making industries
Good fluidity with controlled melting range for process reliability

Typical Applications

Jewellery casting requiring polished finish
Production of detailed model components
Decorative castings and bespoke items

Why Choose DKL Metals’ Casting Alloy 75?

DKL Metals supplies CA75 with unwavering quality assurance, ensuring consistent alloy composition and superior finishing characteristics. Our UK-based stock and technical support guarantee prompt delivery and expert guidance for your casting projects. Our in-house laboratory ensures that all of our product specifications are precise and at their best.

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DKL – About Pewter & Casting Alloys

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Casting Alloy 4 – Inexpensive Lead-based

admin — Tue, 14 Oct 2025 15:07:04 +0000

Casting Alloy 4 – Inexpensive Lead-Based Casting Alloy

Casting Alloy 4 offers a very cost-effective solution for casting applications where budget is a primary consideration. This lead-based alloy provides good fluidity and reasonable melting and casting temperatures, making it suitable for general purpose castings. However, it is important to note that castings made from Alloy 4 can be brittle and are not recommended for figures or components with thin sections.

Technical Data & Properties

Property	Value
Solidus	239°C
Liquidus	240°C
Density	10.6 g/cc
Recommended Pouring Temperature	300 – 350°C (approx.)
Alloy Type	Lead-based casting alloy
Main Application	General casting requiring low cost, not suitable for thin sections

Key Benefits

Highly affordable casting alloy option
Good fluidity suitable for general castings
Reasonable melting and casting temperatures aid process control
Not recommended for thin or delicate castings due to brittleness

Typical Applications

General mass production castings
Parts with thicker sections and less mechanical stress
Low-cost prototyping or decorative items where brittleness is not critical

Why Choose DKL Metals’ Casting Alloy 4?

DKL Metals supplies reliable CA4 with assured quality and UK stock availability. Our product offerings ensure cost efficiency without compromising ease of casting for suitable applications, supported by expert advice and prompt delivery.

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DKL – About Pewter & Casting Alloys

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Casting Alloy 37 – Industry Standard Model Figure Alloy

admin — Tue, 14 Oct 2025 13:33:17 +0000

Casting Alloy 37 is the industry standard lead-rich casting alloy widely used for casting model figures, miniatures, and intricate decorative items. Valued for its excellent definition and affordable price point, this alloy provides reliable performance for producing high-detail models with good flow characteristics. Its composition optimizes both casting quality and cost-effectiveness, making it a popular choice for hobbyists and commercial model makers alike.

Technical Data & Properties

Property	Value
Solidus	185°C
Liquidus	231°C
Density	9.43 g/cc
Recommended Pouring Temperature	260 – 310°C (approx.)
Alloy Type	Lead-rich casting alloy
Main Application	Casting of model figures, miniatures, and decorative items

Key Benefits

Industry-standard alloy for detailed model figure casting
Good flow properties for capturing fine details
Cost-effective solution for commercial and hobbyist casting
Produces sharp, well-defined castings with minimal defects

Typical Applications

Model figures and miniatures for gaming or collectibles
Decorative castings requiring high detail
Prototyping and small-batch production of decorative items

Why Choose DKL Metals’ Casting Alloy 37?

DKL Metals offers high-quality Casting alloy 37 backed by rigorous quality control and UK-based supply reliability. Our expertise ensures that customers receive a consistent, affordable alloy suited for demanding model casting applications, supported by fast delivery and technical guidance.

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DKL – About Pewter & Casting Alloys

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Casting Alloy 90 – Master Metal

admin — Tue, 14 Oct 2025 11:54:25 +0000

When producing master patterns and prototypes that require exceptional definition and quality, the choice of alloy is critical. Casting Alloy 90 is a high-grade tin-rich (90%+) alloy with lead content, designed specifically for the production of masters in casting processes. This alloy demonstrates exceptionally good flow characteristics and high definition, making it the preferred choice for manufacturing high quality master castings and intricate models.

Technical Data & Properties

Property	Value
Solidus	185°C
Liquidus	210°C
Density	7.68 g/cc
Recommended Pouring Temperature	260 – 300°C (approx.)
Alloy Type	Tin-rich with lead
Main Application	Production of masters, intricate castings

Key Benefits

Excellent flow – fills moulds thoroughly for detailed casting
High definition for sharp detail reproduction in master models
Reliable performance for high quality and precision casting
Widely used for jewellery masters, giftware, models, and decorative items

Typical Applications

Jewellery master production
Production of detailed figurines
Models and prototypes for casting
Wargame figures, model kits, giftware, and collectibles

Why Choose DKL Metals’ Casting Alloy 90?

DKL Metals supplies CA90 with strict quality assurance, ensuring consistent composition and optimal casting results. Our expertise in alloy manufacturing supports customers with technical guidance, fast UK delivery, and ongoing support for challenging projects.

Learn More!

DKL – About Pewter & Casting Alloys

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Casting Alloy 92J – Lead-Free Pewter Alloy

admin — Thu, 09 Oct 2025 14:11:11 +0000

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For High Precision Casting Applications

Casting Alloy 92J is a premium lead-free pewter alloy developed for high precision casting applications where a bright, polished finish is essential. Widely used by jewellery makers, decorative metalworkers, and manufacturers of fine pewterware, this alloy delivers exceptional detail reproduction and surface quality. Fully compliant with BS EN611-1:1996 Pewter standards, 92J offers a safer alternative to leaded alloys with excellent fluidity for small-scale or industrial use.

Property	Value	Benefit
Type	Lead-free pewter	BS EN611-1:1996 compliant, consumer-safe
Solidus	240°C	Precise melt start
Liquidus	255°C	Quick to full flow
Density	7.24 g/cc	Stable castings
Pouring Temp	290–320°C	Ideal for details

Key Benefits

Lead-free – Free-flowing – Polished Finish

Safe & Compliant: Ideal for jewellery and consumer items.
Detail Reproduction: Fills intricate moulds perfectly.
Bright Polish: No post-processing needed for shine.
Versatile: Artisans to factories.

Technical Specs

Narrow melt range – High fluidity – Proven standard

92J pewter melts sharply between 240-255°C solidus/liquidus, pours at 290-320°C for defect-free results. Density ensures predictable shrinkage.

Applications

Jewellery – Pewterware – Trophies

Perfect for rings/pendants, vases/tableware, medals/plaques, and precision parts.

View Full Chemical Composition & Impurity Limits

Custom/Other Casting Alloys

admin — Fri, 15 Sep 2023 11:08:54 +0000

Extensive Range & Custom Casting Alloys

At DKL Metals, we offer an extensive selection of casting alloys spanning tin-based, lead-based, and lead-free pewters, designed to meet diverse industrial and artistic needs. Our comprehensive alloy portfolio supports applications across jewellery making, model figures, toy soldiers, fantasy figurines, costume jewellery, giftware, and collectibles. Whether you require a commonly used alloy or any custom casting alloys, we can meet any casting alloy specification. If you don’t find the alloy you need listed on our website, please contact us. Our team will work closely with you to develop and supply alloys tailored specifically to your performance and production requirements.

All of our casting alloys come with detailed technical data provided for guidance. We recommend pouring at the lowest temperature that produces satisfactory results, as excessive heat can degrade moulds early and cause porosity in castings. Professional casting users will appreciate the quality and reliability we provide across our full alloy range.

Please note these alloys are designed for industrial and professional use. Some contain lead and must not be heated above 450°C. It is essential that users consult the Material Safety Data Sheets prior to use to ensure safe handling.

Additionally, DKL Metals supports the casting industry by supplying dross bins to facilitate safe transport and disposal of scrap and dross materials.

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