Steel aerosol monobloc
AssigneeArcelorMittal
InventorsChristophe Castan, Michel D'Amore, Gilles Mangin, Laura Rigoni Medeiros
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Abstract
A tin coated steel sheet is provided for manufacturing a drawn can having: a thickness inferior to 0.7 mm, a yield strength inferior to 400 MPa, an average grain aspect ratio below 1.5, a strain hardening coefficient below 1.5, a tin coating from 0.5 to 4.0 g·m−2 on a first face and from 2.8 to 11.2 g·m−2 on a second face, a chemical composition comprising in weight percent 0.002≤C≤0.09 and 0.0015≤B≤0.005 and a balance of Fe and unavoidable impurities, and the steel sheet having a ferritic microstructure with a mean grain size from 5 to 15 μm.
Claims12
A tin coated steel sheet for manufacturing a drawn can, the tin coated steel sheet comprising:
- a steel sheet having a first face and a second face, the steel sheet having a thickness less than 0.7 mm, a yield strength less than 400 MPa, an average grain aspect ratio below 1.5, a strain hardening coefficient below 1.5, and a chemical composition in weight percent comprising:
- 0.002≤C≤0.09;
- 0.05≤Mn≤0.6;
- 0.0015≤B≤0.005;
- N≤0.05;
- Ni≤0.2;
- S≤0.03;
- P<0.02;
- Si≤0.03;
- Cr≤0.2;
- 0.01≤Al≤0.08;
- Cu≤0.2;
- Nb≤0.05;
- V≤0.02;
- Ti≤0.05, Fe and unavoidable impurities, the steel sheet having a ferritic microstructure with a mean grain size from 5 to 15 μm;
- and
- a tin coating from 0.5 to 4.0 g·m−2 on the first face and from 2.8 to 11.2 g·m−2 on the second face.
Dependencies are inferred from the claim text.