MASTER ALLOY
MASTER ALLOY
Legor Group is a leader in the jewelry industry, known for its master alloys that transform metals from raw materials to finished products. The catalogue details various alloys, including gold, silver, platinoid, and those used in fashion and brazing industries.
The section on gold alloys covers master alloys for yellow, white, and red gold, highlighting features like high flowability and compliance with color standards. Products such as C183N and OG604Z are noted for their high shine and suitability for deformation processes.
This section emphasizes ready-to-use and master alloys for silver, focusing on ease of use and reliability in production processes.
Legor offers precious and non-precious metallic powders for additive manufacturing, catering to this growing field.
Includes platinum and palladium alloys, available in ready-to-use and master forms, suitable for high-quality jewelry production.
Specialized alloys designed for the fashion sector, focusing on aesthetic appeal and durability.
Details gold brazing pastes and various alloys for soldering, highlighting their high reusability and compatibility with different production systems.
Legor provides a range of semi-finished products and raw materials, supporting diverse manufacturing needs.
The catalogue includes a vademecum and glossary for metallurgy, offering valuable insights for professionals looking to enhance their casting skills.
Legor Group's product catalogue is a comprehensive resource for professionals in the jewelry and fashion industries, providing detailed specifications and applications for a wide range of metal alloys.
Alloys like WE480CW1 and OB585QP are noted for their high quality/price ratio, suitable for continuous casting and sheet production. Nickel-safe alloys like NI1811-05 ensure compliance with EN1811:2015.
Alloys such as C145N and OR134 are noted for their deep red color and suitability for stone-in-place casting. OR133 and OR134U minimize brittleness in pink gold, ideal for wedding bands.
The SILVER line addresses issues like tarnishing and porosity, offering formulations for maximum productivity and quality in jewelry production.
Alloys are categorized based on mechanical properties, color shades, and hardness levels, with specific applications in casting, sheet production, and mechanical working.
Lists several gold alloys suitable for mechanical working in low caratage, detailing formulations, recommended silver quantities, color shades, and hardness.
Details formulations for casting and mechanical working, highlighting alloys like AG108MA and AG115MA for their excellent surface quality and reusability.
The PRECIOUS line includes platinum and palladium alloys designed for superior fluidity, hardness, and wear resistance.
Covers raw precious metals like oxygen-free silver (AGOF-10), platinum, palladium, iridium, and ruthenium, detailing their physical specifications and standard packaging.
SILNOVA® is introduced as a result of extensive R&D, ensuring high performance in various environmental conditions.
The document serves as a comprehensive guide for selecting and using various metal alloys in jewelry and mechanical applications, emphasizing quality, performance, and innovation.
AGOF-10 is a unique oxygen-free silver alloy with benefits like superior quality assurance and enhanced process stability.
Focuses on copper-based alloys for the fashion industry, emphasizing high purity and compliance with international regulations.
Provides detailed specifications for various brass and bronze alloys, including their composition, color, hardness, and specific applications.
Presents a range of products for brazing and soldering jewelry parts, with features like mechanical resistance and wettability.
Lists various ready-to-use brazing alloys, detailing their composition, suitable applications, and working temperatures.
Details specifications for non-precious raw materials and semi-finished products, focusing on metals like copper, cobalt, gallium, indium, nickel, tin, zinc, and their alloys.
Highlights the POWMET line of ultrapure metallic powders designed for additive manufacturing, suitable for 3D printing in the goldsmith and fashion industries.
Explains different welding techniques, including brazing and soldering, with specific temperature ranges and applications.
Legor products offer advantages like wear resistance, fluidity, weight reduction, and compliance with existing standards.
Discusses the use of laser technology for precision welding, allowing the use of the same alloy as the substrate or other materials.
Master alloys enhance jewelry characteristics such as color, hardness, mechanical resistance, and oxidation resistance.
Hardness is measured using the Vickers scale, and age hardening increases hardness by at least 50% compared to the as-cast state.
Color is defined using CIELab coordinates, and the Yellow Index (YI) helps determine if rhodium plating is necessary for white alloys.
Grain refinement improves mechanical performance, shininess, and chemical resistance.
Key mechanical properties include tensile strength, yield strength, and elongation at rupture.
Pure metals have a single melting temperature, while alloys have a melting range.
Discusses the importance of melting and solidification temperatures in metal alloys, crucial for casting and granulation processes.
Gold and silver alloys are highlighted for their ductility and malleability, essential for jewelry production.
All-purpose alloys are versatile for both mechanical processing and casting.
Outlines various casting systems, including traditional and closed systems, and stone-in-place casting.
Legor Group's commitment to research and development is evident through its advanced laboratory facilities.
Mentions a series of video tutorials guiding users through the investment casting process.
Discusses Legor Group's commitment to responsible and sustainable practices in the production of metal alloys.
Emphasizes adherence to various international standards, ensuring responsible and sustainable processes.
Includes technical datasheets, technical specifications, conformity certificates, and material safety data sheets.
Legor Group has been operational since 1979, with a significant global presence.
Includes transformation of metal from raw material to finished product, jewelry surface coating, and selection of professional tools.
Legor Group has offices and facilities in various countries, providing contact information for further inquiries.
The document concludes with a disclaimer about potential changes and disclaims responsibility for inaccuracies due to printing or transcription errors.
Catalog excerpts
MASTER ALLOY
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Product catalogue | Catalogo prodotti We transform metals to boost their intrinsic, stellar qualities and let them shine again Trasformiamo i metalli per esaltare le loro intrinseche caratteristiche stellar e farli nuovamente brillare
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INDEX | INDICE Legor Group has always been renowned worldwide for its core business: master alloys for the jewellery industry. Today it proposes the widest range of compositions and dedicated solutions available on the market, for the transformation of metals from raw materials to finished products. Legor Group e da sempre conosciuta nel mondo per il suo core business: le leghe madri per i settori della gioielleria e del fashion. Oggi propone la piu vasta gamma sul mercato di composizioni disponibili e soluzioni dedicate, per la trasformazione del metallo da materia prima a prodotto finito. GOLD...
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GOLD line GOLD ALLOYS • LEGHE ORO Gold is the most desirable of metals It is also the best known among precious metals, thanks to its unique characteristics of colour, ductility and rarity. Manufacturing a gold jewel poses today a large amount of challenges, from compliance with international standards, to weight reduction, to the need for improved workability or better scraps re-usability, to high tarnish resistance in lower titles. Legor master alloys for gold are available for all the titles and all the production processes applicable on the market. They are a range of products unrivalled...
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YELLOW GOLD - ORO GIALLO • 750% Code Codice Main formulation Formulazione base Main features Caratteristiche principal Colour shade Sfumatura colore Code Codice Main formulation Formulazione base Main features Caratteristiche principal Colour shade Sfumatura colore Hardness Durezza AC/AH "SCA4 • Intense colour • Casting with stones • High fluidity and reusability • Colore intenso • Microfusione con pietre • Alta fluidita e riutilizzabilita ••• • High silver content leads to rich colour • Massive and hollow mechanical working • Colore intenso grazie all’alto titolo in argento • Lavorazione meccanica...
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YELLOW GOLD - ORO GIALLO • 375-585%0 Code Codice Main formulation Formulazione base Main features Caratteristiche principal Colour shade Sfumatura colore Code Codice Main formulation Formulazione base Suitable for Adatta nei titoli Main features Caratteristiche principali Colour shade Sfumatura colore Hardness Durezza AC/AH • Best suitable for stone-in-place casting in closed systems. • More compact than OG130A (for open systems) • Adatta a microfusione con pietre in sistemi chiusi • Piu compatta rispetto OG130A (per sistemi aperti) v. SCA5 • The best selling choice for stone-in-place casting! •...
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hite Gold ...more on W A range of nickel-free formulations for all titles and processes, based on all whitening elements compatible with jewellery production. Palladium and silver in particular are the most common and easiest alternatives to nickel in the production of white gold jewellery. Ni1811 / Ni1811-Rh A range of patented white, nickel-based gold alloys specifically developed to comply with the EN1811:2015 European standard on nickel emissivity. The introduction of rhodium as an alloy element has the main benefit of guaranteeing low values and very high stability to nickel emissivity:...
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Code Codice Main formulation Formuiazione base Main features Caratteristiche principal Colour shade Sfumatura coiore Code Codice Main formulation Formuiazione base Main features Caratteristiche principaii Hardness Durezza AC/AH MECHANICAL WORKING CASTING Very soft alloy, higher protection for stones while cooling Lega molto tenera, superiore protezione per le pietre durante il raffreddamento Suitable in all titles Low processing temperatures Adatta in tutti i titoli Basse temperature di processo Soft alloy, higher protection for stones while cooling Lega tenera, superiore protezione per le...
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WHITE GOLD - ORO BIANCO • 375-585%0 Code Codice Main formulation Formulazione base Main features Caratteristiche principal Colour shade Sfumatura colore Code Codice Main formulation Formulazione base Main features Caratteristiche principali Colour shade Sfumatura colore Hardness Durezza AC/AH MECHANICAL WORKING WA12B5 • Proderma Ni-Pd-free formulation • Perfect for stone-in-place casting in title 375%o! ♦ Formulazione Proderma Ni-Pd-free • Perfetta per microfusione con pietre in titolo 375%o/
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RED GOLD - ORO ROSSO • 375-585% Code Codice Main formulation Formuiazione base Main features Caratteristiche principal Colour shade Sfumatura coiore Code Codice Main formulation Formulazione base Main features Caratteristiche principal Colour shade Sfumatura coiore Hardness Durezza AC/AH • Pink colour, compliant to 5N standard • Minimizing brittleness issues in 750%o title • Best selling alloy • Unique deep red colour! • Minimizing brittleness issues in 750%o pink gold ► Colore rosa, conforme allo standard 5N * Minimizza i problemi di fragility nel titolo 750%o • Lega best seller • Colore rosso...
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SILVER ALLOYS LEGHE ARGENTO Silver is second to none From the point of view of quantity worked, silver is the most used metal in the jewelry sector. Its glowing whiteness and its malleability are unique. It is also known to have several processing issues such as tarnishing, unsatisfactory hardness, porosity, firestain. Legor Group, in a constant research to solve any processing limitation, proposes SILVER line! a complete line of formulations to answer to all the requests of maximum productivity and increase of final product quality, as ready-to-use drops at guaranteed titles 925-930-935, and...
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SILVER MASTER ALLOYS - LEGHE MADRI ARGENTO Code Codice Main formulation Formuiazione base Main features Caratteristiche principal Hardness Durezza AC/AH Code Codice Main formulation Formuiazione base Main features Caratteristiche principal Hardness Durezza AC/AH ► Great surface and re-usability • Ideal for stone in place on open and closed casting systems AG115MA • Great surface and good re-usability • Ideal for stone in place on closed systems • Superficie eccezionale e alta riutilizzabilita • Ideale per le pietre, in sistemi aperti e chiusi%o • Superficie eccezionale e buona riutilizzabilita...
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