Gravita India Limited
Lead Alloys
Gravita is a leading manufacturer and exporter of all kinds of Lead Alloys i.e. Lead Antimony Alloy, Lead Calcium Alloy, Selenium, Copper, Tin, Arsenic etc. We have Alloying Kettles of various capacities ranging from 7-30 tones per batch. They are fitted with high efficiency furnace oil burners equipped with preheating arrangements. Emissions control is achieved by a flexible kettle hood venting into a venturi scrubber attached to an ID fan along with a chimney/stack arrangement. Emissions are regularly monitored to ascertain that they strictly fall within the allowable limits.
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Calcium Lead Alloy
- Elements: (%) Limits
- Calcium (Ca): 0.120 +/- 0.020
- Aluminum (Al): 0.030 +/- 0.010
- Tin (Sn): 0.400 +/- 0.100
- Other Impurities:
- Applications : For making Automotive/Tubuler/SMF/VRLA battery plates.
Antimony Selenium Lead Alloy – 2.5
- Elements: (%) Limits
- Antimony (Sb): 2.500 +/- 0.250
- Arsenic (As): 0.150 +/- 0.050
- Tin (Sn): 0.250 +/- 0.050
- Selenium (Se): 0.020 +/- 0.005
- Other Impurities: Within Specified Limits
- Applications : For making Automotive / Tubuler grids.
Antimony Lead Alloy – 3.0
- Elements: (%) Limits
- Antimony (Sb): 3.000 +/ – 0.250
- Arsenic (As): 0.125 +/ – 0.025
- Tin (Sn): 0.250 +/ – 0.050
- Sulphur (S): 0.003 – 0.008
- Copper (Cu): 0.040 – 0.060
- Other Impurities: Within Specified Limits
- Applications : For making small parts in HD batteries, also in COS Fusion
Antimony Lead Alloy – 4.5
- Elements: (%) Limits
- Antimony (Sb): 4.500 +/ – 0.250
- Arsenic (As): 0.150 +/ – 0.025
- Tin (Sn): 0.250 +/ – 0.050
- Sulphur (S): 0.003 – 0.008
- Copper (Cu): 0.040 – 0.060
- Other Impurities: Within Specified Limits
- Applications : For making automotive / Tubuler Grids
Copper Lead Alloy
- Elements: (%) Limits
- Copper (Cu): 0.070 – 0.080
- Antimony (Sb): 0.001
- Arsenic (As): 0.001
- Tin (Sn): 0.001
- Bismath (Bi): 0.030
- Iron (Fe): 0.001
- Zinc (Zn): 0.001
- Silver (Ag): 0.005
- Other Impurities: Within Specified Limits
- Applications : For making Lead Pipes / Chemical reactors
Tin Lead Alloy
- Elements: (%) Limits
- Antimony (Sb): 0.005
- Arsenic (As): 0.001
- Bismath (Bi): 0.030
- Iron (Fe): 0.001
- Copper (Cu): 0.005
- Tin (Sn): 20 – 80 (As per requirement)
- Other Impurities: Within Specified Limits
- Applications : For making Solder Alloy