Bronze Alloys

C51000 • C52100 • CuSn5-CuSn8 — exceptional spring fatigue and bearing wear life.

Phosphor bronze is a tin bronze (4-10% Sn) deoxidised with 0.03-0.35% phosphorus, producing hard, tough alloys with outstanding...

C95400 • C95800 • CuAl10Fe3 — the toughest bronze for marine and oil & gas.

Aluminum bronze contains 5-12% aluminium with iron, nickel and manganese for high-strength, corrosion-resistant components used i...

LG2 • LG4 • C83600 • CuSn5Zn5Pb5 — the classic pressure-tight casting alloy.

Gunmetal (red brass / leaded tin bronze) is the universal sand and gravity casting alloy for valves, pumps and pressure-tight bodies. BMI...

C90500 • C90700 • CuSn10-CuSn12 — high-load bearing and gear alloys.

Straight tin bronzes (no lead) deliver superior strength and wear resistance for heavily loaded bearings, worm gears and pump...

C93200 • C93700 • SAE 660 • CuSn7Pb15 — the journal bearing standard.

Leaded bronzes (Pb 7-25%) are the industry-standard alloys for plain bearings — the lead acts as a self-lubricant, embeds debris and...

C65500 • C87300 • CuSi3Mn1 — corrosion-resistant fastener and architectural bronze.

Silicon bronze offers steel-like strength with copper-grade corrosion resistance. BMI manufactures silicon bronze fasteners, marine...

C95800 • NAB • CuAl10Ni5Fe4 — the premier seawater alloy.

Nickel aluminum bronze (NAB) is the gold standard for seawater pumps, valves and propellers. With ≥4% nickel and ≥4% iron, NAB...

C86300 • C86500 • CuZn25Al6Mn3Fe3 — high-strength bronze for heavy industry.

Manganese bronze (technically a high-tensile brass) combines high strength, hardness and corrosion resistance for heavily loaded marine...