Alloy Class and General Parameters

Dosage

Expected Results

Special

Instructions

150 grams per metric ton (5 grams per 100 lb.)

YES

YES

YES

Grain refinement occurs when copper content is between 57 and 63 percent. Optimal grain refinement occurs when copper content is 59.5 percent and aluminum content is 0.6 percent. See Notes 1 and 2.

150 grams per metric ton (5 grams per 100 lb.)

YES

YES

YES

50 grams per metric ton (5 grams per 100 lb.)

May reduce grain if Sn + Fe is less than 0.5%

YES

YES

Red Brass (2% to 8% Zn. Sn less than Zn. Pb under 0.5%)

200 grams per metric ton (9 grams per 100 lb.)

NO

YES

YES

Aluminum Bronze (Al 5% to 15%. Fe up to 10% - with or without Mn or Ni. Si less than 0.5%)

200 grams per metric ton (18 grams per 100 lb.)

NO

YES

YES

If high oxygen occurs, add Mn before adding DesofinTM.

Tin Bronze (Sn 2% to 20%. Zn less than Sn. Pb under 0.5%)

200 grams per metric ton (9 grams per 100 lb.)

NO

YES

YES

Use without Al tubes. Add to transfer ladle along with phos copper