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US 4,906,435 AGranted
Activator mixture for increasing the strength of iron alloys
OwnerHenrik Giflo, Henrik Gifloinventors
Life of this patent
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Abstract
An activator mixture for improving utilizable strength steels which consists essentially Ca and/or Na 16 to 30%; Si 13 to 30%; V and/or Mo 2 to 28%, Nb and/or Ta 2 to 14%, Al and/or Ba 1 to 15%; B and/or Be 0,1 to 3.0%, C1 to 5%; Fe 5 to 20% and N 1 to 10%.
Claims5
An activator mixture for improving utilizable strength in steels, comprising:
- Ca, 0 to 30 per cent;
- Na, 0 to 30 percent;
- Si, 13 to 30 per cent;
- V, 0 to 28 per cent;
- Mo, 0 to 28 per cent;
- Nb, 0 to 25 per cent;
- Ta 0 to 25 per cent;
- Zr, 0 to 15 per cent;
- Ce, O to 15 per cent;
- Ti, 2 to 14 per cent;
- Al, 0 to 15 per cent;
- Ba, 0 to 15 per cent;
- B, 0 to 3.0 per cent;
- Be, 0 to 3.0 per cent;
- C, 1 to 5 per cent;
- Fe, 5 to 20 per cent;
- and N, 1 to 10 per cent, wherein Ca and Na together total 16 to 30 per cent, V and Mo together total 2 to 28 per cent, Nb and Ta together total 2 to 25 per cent, Zr and Ce together total 2 to 15 per cent, Al and Ba together total 1 to 15 per cent, and B and Be together total 0.1 to 3.0 per cent.
14 more elements
Dependencies are inferred from the claim text.