low melting point alloys

We are producing low melting point alloys in both North America (AMA brand) and Europe (Kite brand).

Low Melting Point Alloys (LMPA) or fusible alloys are normally classed as those alloys with melting points below 300 Deg. C.

The most commonly used are those which melt <150 Deg C. and especially those which can be melted off in hot water thus <100 Deg C.

These alloys are normally made from blends of Bismuth, Tin, Lead, Cadmium and Indium.  Alloys which are Lead and Cadmium free are also available.

They are used in the optical industry for lens blocking, work-holding in precision engineering, prototyping, safety valves, press tools for limited runs, tube bending for complicated profiles and many other applications.

North America

Atlantic Metals & Alloys has been producing LMPA since 1983. Over the years we have built an excellent reputation as the largest supplier in North America. We are also offering a full closed-loop recycling solution.

Europe

KITE Metals in a partnership with METALBLANC SA (France) is proposing a range of LMPA “made in France”.

In addition to the standard alloy range, alloys can be custom manufactured to customers’ specific requirements with regard to melting point, melting range and hardness.

KITE Metals are specialists in the sourcing of raw materials and especially “minor metals” such as those used in LMPA.

METALBLANC with their factory at Bourg Fidèle in the Ardennes region of France are specialist manufacturers and recyclers of a range of alloys and metals.  The alloys are manufactured under ISO 9001 and 14001 certification, and they possess all the necessary permits and licenses to accept, treat and recycle material recovered from customers throughout France and Europe.

This partnership, therefore, offers customers the advantages of quality manufacturing combined with competitive and sustainable pricing.
  • Kite Metals

    Low Melting Point Alloys - some examples of the standard range
    Those alloys marked * are classed as eutectic.
    *relating to or denoting a mixture of substances (in fixed proportions) that melts and freezes at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them.

    Alloy Number Bi % Pb % Sn % Cd % In % Others Melting Point / Range Deg C.
    KM11 13.5 20.5 Gallium 66.0 10.8*
    KM47 44.7 22.6 8.3 5.3 19.1 47.0*
    KM58 49.0 18.0 12.0 21.0 58.0*
    KM61 32.5 16.5 51.0 61.0*
    KM70 50.0 26.7 13.3 10.0 76.0-70.0
    KM72 * 33.7 66.3 72.0*
    KM78 * 57.0 17.0 26.0 78.0*
    KM90 * 51.6 40.2 8.2 90.0*
    KM96 * 52.5 32 15.5 96.0*
    KM109 * 67.0 33.0 109.0*
    KM137 58.0 42.0 135.0*
    KM150 40.0 60.0 170.0-135.0
    KM160 * 27.0 28.0 44.0 Antimony 1.0 162-99
    KM174 * 67.0 32.25 174.0*
    KM184 * 33.4 61.86 184.0*
    KM220 * 96.5 Silver 3.5 220.0*
    KM303 * 97.0 3.0 264-135
  • Atlantic Metals & Alloys

    Low Melting Point Alloys - some examples of the standard range
    Those alloys marked * are classed as eutectic.
    *relating to or denoting a mixture of substances (in fixed proportions) that melts and freezes at a single temperature that is lower than the melting points of the separate constituents or of any other mixture of them.

    Alloy NumberBi %Pb %Sn %Cd %In %OthersMelting Point / Range Deg F.
    AMA51     13.5   20.5 Gallium 66.0 51.44*
    AMA117 44.7 22.6 8.3 5.3 19.1   117.0*
    AMA136 49.0 18.0 12.0   21.0   136.0*
    AMA139 32.5   16.5   51.0   139.0-144.0*
    AMA158 50.0 26.7 13.3 10.0     158
    AMA162 33.7       66.3   162.0*
    AMA174 57.0   17.0   26.0   174.0*
    AMA194 51.6 40.2   8.2     194.0*
    AMA228 67.0       33.0   228.0*
    AMA281 58.0   42.0       281.0*
    AMA302 40.0   60.0       302.0*
    AMA324 27.0 28.0 44.0     Antimony 1.0 324*
    AMA345     67.0 32.25     345.0*
    AMA363   33.4 61.86       363.0*
    AMA428     96.5     Silver 3.5 428.0*
    AMA507 97.0   3.0       507.0*
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