BS 1490 - Aluminium Alloys and Approximate Equivalents

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NFDINUNIAA / ASTMSAE
LM0AL 99.5-A5-3950150--Electrical, food, chemical plant
LM2AL-Si10Cu2Fe46100A-S9U3-Y4-5076384383ADC12Pressure Diecasting
LM4Al-Si5Cu34500A-S5UeG-AlSi6Cu4 (225)3052319326AC2ASand gravity diecast manifolds, gear boxes, etc.
LM5AL-Mg5Si151300AG63058514320AC7ASand, gravity; corrosion resistant, for marine use, Food plant, chemical plant
LM6AL-Mg644100AS13G-AlSi12 (230)4514A413-AC3ASand, gravity; thin sections, manifolds, etc
Al-Si12
AL-Si12Fe
LM9Al-Si10Mg43100A-S10GG-AlSi10Mg (233)3049A360309AC4ALow pressure, etc; motor housings, cover plates, etc. High strength when treated
LM12Al-Cu10Si2MgA-U10G-304122234-Gravity, sand cast; machines well, hydraulic equipment
LM13Al-Si12Cu48000A-S12UN-3050336321AC8ASand, Chili; used for pistons
Al-Si12CuFe-
LM16Al-Si5Cu1Mg45300A-S4UG-3600355322AC4DSand, chill; cylinder heads valve bodies, good pressure tightness
LM20Al-Si12Cu47000A-S12-Y4G-AlSi12 (Cu)(231)5079A413305-Pressure diecasting; corrosion resistant, marine castings, water pumps, meter cases
Al-Si12CuFe
LM21Al-Si6Cu445000A-S5U2G-AlSi6Cu4(225)7369/4308326AC2ASand, gravity; similar to LM4, crankcases, gear boxes, etc.
LM22Al-Si5Cu345400A-S5UG-AlSi6Cu4 (225)3052319326AC2AChill casting; solution treated, good shock resistance, automotive heavy duty parts
LM24Al-Si8Cu3Fe46500A-S9U3A-Y4G-AlSi8Cu3(226)5075 / 3601A380306AC4B / ADC10Pressure diecasting; engineering diecastings
LM25Al-Si7Mg42000A-S7GG-AlSi7Mg3599A356323AC4CSand chill; general purpose high strength alloy with good castability; wheels, cylinder blocks, heads
LM26Al-Si9Cu3Mg-A-S7U3G-3050332332-Chill; used for pistons
LM27Al-Si7Cu3Mn0.546600--7369--AC2BSand, chill; versatile alloy, good castability; general engineering parts
LM28Al-Si19CuMgNi---6251---Chill; high performance pistons
LM29Al-Si23CuMgNi---6251---Chill; high performance pistons
LM30Al-Si17Cu4Mg----390--Pressure diecast; unlined cylinder blocks
LM31Al-Zn5Mg71000A-Z5G-3602712310-Sand; large castings, good shock resistance, good strength at elevated temp.