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lead shielding ingots are divided into large ingots and small ingots. The small ingot is rectangular trapezoid, with binding grooves at the bottom and protruding ears at both ends. The large ingot is trapezoidal, with T-shaped bosses at the bottom and grab and lifting grooves on both sides.
The lead ingot is rectangular, with protruding ears at both ends. It is blue white metal and soft. Density 11.34g/cm3, melting point 327 ℃
1. The surface of lead ingot shall be free of slag, particulate oxygen, inclusions and foreign pollution.
2. The lead ingot shall be free of cold insulation and flash burr greater than 10mm (trimming is allowed).
Test method: the arbitration analysis method of chemical composition of lead ingot shall be in accordance with the provisions of GB / t4103 methods for chemical analysis of lead and lead alloys.
Lead shielding ingots sign
1. Each lead ingot shall be cast or printed with a trademark and batch number.
2. The brand mark shall be marked on the lead ingot with paint that is not easy to fall off, and the color and position of the mark shall comply with the provisions of the.
3. Each bundle of lead ingots shall be provided with eye-catching marks that are not easy to fall off, indicating the manufacturer's name, product name, brand, batch number and net weight.
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