Al-Sr alloy is a kind of modifier used in Al-Si alloy casting Aluminum Intermediate Alloys: Al-Sr Alloy Modifiers ProductsModelCompositions(Bal. Al)Al-Sr alloy modifierAlSr5Sr4.5~5.5%,Si0.2%max,Fe0.3%max, Bal. AlAlSr10Sr9~11%,Si0.2%max,Fe0.3%max, Bal. AlAlSr15Sr14~16%,Si0.2%max,Fe0.3%max, Bal. AlAlSr20Sr18~22%,Si0.2%max,Fe0.3%max, Bal. AlAl-Sr alloy is a kind of modifier used in Al-Si alloy ...