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Provided for herein is a method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip, heating the rolled strip at a temperature of at least about 125° C., and at most about 325° C. for at

Provided for herein is a method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip, heating the rolled strip at a temperature of at least about 125° C., and at most about 325° C. for at least about 30 seconds, to produce a heat treated metal strip having an equiaxial grain structure within; and expanding the heat treated metal strip to produce the expanded metal grid.

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1. A method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip; heating said rolled strip at a temperature of at least about 125° C., and at most about 325° C. far at least about 3

1. A method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip; heating said rolled strip at a temperature of at least about 125° C., and at most about 325° C. far at least about 30 seconds, to produce a heat treated metal strip having an equiaxial grain structure within; and expanding said heat treated metal strip to produce said expanded metal grid. 2. The method of claim 1, wherein said metal strip comprises lead.3. The method of claim 2, wherein said metal strip further comprises tin, calcium, silver, or a combination comprising at least one of the foregoing.4. The method of claim 3, wherein said metal strip comprises at least about 98% by weight lead, at least about 0.4% by weight tin, and at least about 0.01% by weight calcium.5. The method of claim 4, wherein said metal strip further comprising at least about 0.01% by weight silver.6. The method of claim 1, wherein said reduction ratio is between about 2 to 1, and about 5 to 1.7. The method of claim 1, wherein said rolled strip is heated for at least about 1 minute, and at most about 24 hours.8. The method of claim 1, wherein said rolled strip is heat treated at a temperature at between about 150° C., and about 240° C.9. The method of claim 1, wherein said heat treated metal strip has a tensile strength between about 2,500 pounds per square inch, and about 8,000 pounds per square inch.10. The method of claim 1, wherein said heat-treated metal strip has an average grain size of at least about 100, and at most about 500 microns.11. The expanded metal grid of claim 1.12. The expanded metal grid of claim 1, wherein said grid has an expiration of 6 weeks when evaluated according to test J-240 at 75° C.13. The heat treated metal strip of claim 1.14. A method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio between about 1.25 to 1, and 25 to 1 to produce a rolled metal strip; expanding said rolled metal strip to produce an expanded metal grid; and heating said expanded metal grid at a temperature between about 125° C., and about 325° C. for at least about 30 seconds to produce an equiaxial grain structure within said metal grid. 15. The method of claim 14, wherein said metal strip comprises lead.16. The method of claim 15, wherein said metal strip further comprises tin, calcium, silver, or a combination comprising at least one of the foregoing.17. The method of claim 16, wherein said metal strip comprises at least about 98% by weight lead, at least about 0.4% by weight tin, and at least about 0.01% by weight calcium.18. The method of claim 17, wherein said metal strip further comprising at least about 0.01% by weight silver.19. The method of claim 14, wherein said reduction ratio is between about 2 to 1, and about 5 to 1.20. The method of claim 14, wherein said rolled strip is heated for at least about 1 minute, and at most about 24 hours.21. The method of claim 14, wherein said rolled strip is heat treated at a temperature at between about 150° C., and about 240° C.22. The method of claim 14, wherein said heat treated metal strip has a tensile strength between about 2,500 pounds per square inch, and about 8,000 pounds per square inch.23. The method of claim 14, wherein said heat-treated metal strip has an average grain size of at least about 100, and at most about 500 microns.24. The expanded metal grid of claim 14.25. The expanded metal grid of claim 14, wherein said grid has an expiration of 6 weeks when evaluated according to test J-240 at 75° C.26. The method of claim 10, wherein said average grain size is at least about 150 micrometers.27. The method of claim 10, wherein said average grain size is at most about 300 micrometers.28. The method of claim 23, wherein said average grain size is at least about 150 micrometers.29. The method of claim 23, wherein said average grain size i s at most 300 micrometers.30. The method of claim 1, wherein said expanded metal grid does not contain antimony.31. The method of claim 14, wherein said expanded metal grid does not contain antimony.32. A method of making an expanded metal grid, consisting of: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip; heating said rolled strip at a temperature of at least about 125° C., and at most about 325° C. for at least about 30 seconds, to produce a heat treated metal strip having an equiaxial grain structure within; and expanding said heat treated metal strip to produce said expanded metal grid. 33. A method of making an expanded metal grid, comprising: compression rolling a metal strip at a reduction ratio from about 1.25 to 1, to about 25 to 1 to produce a rolled strip; heating said rolled strip at a temperature of at least about 125° C., and at most about 325° C. for at least about 30 seconds, to produce a heat treated metal strip having an equiaxial grain structure within; and expanding said heat treated metal strip without quenching to produce said expanded metal grid.