Ferro silicon Strontium (Fe-Si-Str) inoculant ferroalloys casting foundry fesistr
specs: Si:72-77% Ca: 0.1% max Al:0.5% max. Sr:0.6-1.2%
Si:75% min Ca:0.1% max. Al:0.2% max. Sr:1.5-2.0%
size:0.2-0.7mm 90% min
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