IS 3717 : 2024 Refined Secondary Lead - Specification
1 SCOPE
1.1 This standard specifies the requirements for refined secondary lead ingots produced from scrap or secondary lead bearing materials through any refining process.
1.2 The requirements for refined primary lead produced from ore or similar raw materials by any smelting and refining process are not covered in this standard and are separately covered in IS 27.
2 REFERENCES
The standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of these standards:
| IS No. | Title |
| IS 27 : 2023 | Primary lead - Specification (fifth revision) |
| IS 403 : 1964 | Methods of chemical analysis of lead and antimonial lead (revised) |
| IS 1387 : 1993 | General requirements for the supply of metallurgical materials (second revision) |
| IS 8439 : 1977 | Methods for sampling of lead and lead alloys |