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What we sell

UK ISO EN AC FRANCE GERMANY ITALY UNI USA AA/ASTM USA SAE JAPAN
LM0 Al 99.5 A5 3950 150
LM2 Al-Si10Cu2Fe 46 100 A-S9U3-Y4 5076 384 383 ADC 12
LM4 Al-Si5Cu3 45 200 A-S5U3 G-AlSi6Cu4 (225) 3052 319 326 AC 2A
LM5 Al-Mg5Sil AlMg6 A5 3950 150
LM6 Al-Si12 Al-Si12Fe 44 100 AS 13 G-AlSi12 (230) 4514 A413 AC 3A
LM9 Al-Si10Mg 43 100 A-S10G G-AlSi10Mg (233) 3049 A360 309 AC 4A
LM12 Al-Cu10Si2Mg A-U10G 3041 222 34
LM13 Al-Si12Cu Al-Si12CuFe 48 000 A-S12UN 3050 336 321 AC 8A
LM16 Al-Si5Cu1Mg 45 300 A-S4UG 3600 355 322 AC 4D
LM20 Al-Si12Cu Al-Si12CuFe 47 000 A-S12-Y4 G-AlSi12(Cu) (231) 5079 A413 305
LM21 Al-Si6Cu4 45 000 A-S5U2 G-AlSi6Cu4 (225) 7369/4 308 326 AC 2A
LM22 Al-Si5Cu3 45 400 A-S5U G-AlSi6Cu4 (225) 3052 319 326 AC 2A
LM24 Al-Si8Cu3Fe 46 500 A-S9U3A-Y4 G-AlSi8Cu3 (226) 5075 3601 A380 306 AC 4B ADC10
LM25 Al-Si7Mg 42 000 A-S7G G-AlSi7Mg 3599 A356 323 AC 4C
LM26 Al-Si9Cu3Mg- A-S7U3G 3050 332 332
LM27 Al-Si7Cu2Mn0.5 46 600 7369 AC 2B
LM28 Al-Si19CuMgNi 6251
LM29 Al-Si23CuMgNi 6251
LM30 Al-Si17Cu4Mg 390
LM31 Al-Zn5 71 000 A-Z5G 3602 712 310

Recommended End Use

LM0 Alloy suitable for Sand Casting, components for Electrical, Chemical and Food Processing Industries.
LM2 One of the two most widely used alloys for all types of die-castings.
LM4 The most versatile of the alloys, has very good casting characteristics and isused for a very wide range of applications.
LM5 Suitable for Sand and Chill Castings requiring maximul corrosion resistance i.e.castings of marine application.
LM6 Suitable for large, intricate and thin walled castings in all types of moulds, also used where corrosion resistance or ductility is required.
LM9 Used for allplications especially low pressure die casting requiring the characteristics of LM 6 with higher tensile strength after heat treatment.
LM12 Mainly used for sand and chill castings requiring high strength and shock resistance. Requires special foundry techniques and heat treatment.
LM13 Mainly used for piston and applications where thermal stresses are more. This alloy can witstand higher termperatures and loads.It has good wear resistance properties and machinability. Requires heat treatment.
LM16 Suitable where high mechanical properties are desired in fairly intricate sand and chill castings. Requires heat treatment.
LM20 Mainly used for pressure die casting. Similar to LM 6 but with better machinability and hardness.
LM21 Generally similar to LM 4M in character and application but better machinability and proof strength.
LM22 Used for chill castings requiring good foundry characteristics and good ductility. Requires heat treatment.
LM24 Suitable for large, intricate and thin walled castings in all types of moulds, also used where corrosion resistance or ductiity is required.
LM25 Suitable where good corrosion resistance combined with thermal properties are required. Strength is attained by heat treatment.
LM26 Mainly used for pistons as alternate to LM 13.
LM27 A versatile sand and chill cast alloy introduced as an alternative to LM 4 and LM 21.
LM28 Piston alloy with lower coefficient of thermal expansion than LM 13. This alloy use requires special foundry technique.
LM29 Same characteristics as LM 28 but with still lower coefficient of thermal expansion than LM 28.
LM30 For unlined die cast cylinder blocks with low expansion and excellent wear resistance.
LM31

Chemical Compositon of Alloys

Alloy Cu Mg Si Fe Mn Ni Zn Pb Sn Ti
LM0 0.03 0.03 0.3 0.4 0.03 0.03 0.07 0.03 0.03
LM2 0.7-2.5 0.3 9.0-11.5 1 0.5 0.5 2 0.3 0.2 0.2
LM4 2.0-4.0 0.2 4.0-6.0 0.8 0.2-0.6 0.3 0.5 0.1 0.1 0.2
LM5 0.1 3.0-6.0 0.3 0.6 0.3-0.7 0.1 0.1 0.05 0.05 0.2
LM6 0.1 0.1 10.0-13.0 0.6 0.5 0.1 0.1 0.1 0.05 0.2
LM9 0.2 0.2-0.6 10.0-13.0 0.6 0.3-0.7 0.1 0.1 0.1 0.05 0.2
LM12 9.0-11.0 0.2-0.4 2.5 1 0.6 0.5 0.8 0.1 0.1 0.2
LM13 0.7-1.5 0.8-1.5 1.5-13.0 1 0.5 1.5 0.5 0.1 0.1 0.2
LM16 1.0-1.5 0.4-0.6 4.5-5.5 0.6 0.5 0.25 0.1 0.1 0.05 0.2
LM20 0.4 0.2 10.0-13.0 1 0.5 0.1 0.2 0.1 0.1 0.2
LM21 3.0-5.0 0.1-0.3 5.0-7.0 1 0.2-0.6 0.3 2 0.2 0.1 0.2
LM22 2.8-3.8 0.05 10.0-13.0 4.0-6.0 0.6 0.2-0.6 0.15 0.15 0.05 0.2
LM24 3.0-4.0 0.3 7.5-9.5 1.3 0.5 0.5 3 0.3 0.2 0.2
LM25 0.2 0.2-0.6 6.5-7.5 0.5 0.3 0.1 0.1 0.1 0.05 0.2
LM26 2.0-4.0 0.5-1.5 8.5-10.5 1.2 0.5 1 1 0.2 0.1 0.2
LM27 1.5-2.5 0.35 6.0-8.0 0.8 0.2-0.6 0.3 1 0.2 0.1 0.2
LM28 1.3-1.8 0.8-1.5 17.0-20.0 0.7 0.6 0.8-1.5 0.2 0.1 0.1 0.2
LM29 0.8-1.3 0.8-1.3 22.0-25.0 0.7 0.6 0.8-1.3 0.2 0.1 0.1 0.2
LM30 4.0 0.4-0.7 16.0-18.0 1.1 0.3 0.1 0.2 0.1 0.1 0.2
LM31 0.1 0.5-0.75 0.25 0.5 0.1 0.1 4.8-5.7 0.05 0.05 0.2