LM9 Al-Si12Mg0.5Mn0.5 - BS 1490-1988

Grade	LM9
Other Names
Corresponding Standard	BS 1490-1988 Aluminium and Aluminium Alloy Ingots and Castings for General Engineering Purposes
Classification	Aluminum and Aluminum Alloys

LM9 Chemical Element Composition Content (%)

Component	Fe	Si	Mn	Ni	Cu	Ti	Pb	Zn	Sn	Mg	Other Individual	Other Total	More
Minimum Value	-	10	0.3	-	-	-	-	-	-	0.2	-	-	Al:Remainder
Maximum Value	0.6	13	0.7	0.1	0.2	0.2	0.1	0.1	0.05	0.6	0.05	0.15	Al:Remainder

"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.

LM9 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Elongation or Extension Rate δ %
Sand or investment cast	Precipitation treated (TE)	≥170	≥1.5
Sand or investment cast	Solution treated, quenched and precipitation treated（TF）	≥240
Chill cast	As cast (M)	≥190	≥3
Chill cast	Precipitation treated (TE)	≥230	≥2
Chill cast	Solution treated, quenched and precipitation treated（TF）	≥295

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!