ASTM B29-19 (2025) PDF

Full title and description

ASTM B29-19(2025) — Standard Specification for Refined Lead. This ASTM International specification defines requirements for refined lead supplied in pig, block, or hog forms, including compositional grades, sampling and chemical-analysis preparation, and delivery form/marking requirements.

Abstract

This specification covers refined lead in pig, block, or hog form and establishes graded chemical-composition limits and product forms for commercial supply. It specifies the accepted grades (for example, low-bismuth low-silver pure lead, refined pure lead, pure lead, and chemical-copper lead), sets sampling and sample-preparation guidance for chemical analysis, and notes manufacturing sources (smelting/refining from ore or recycled material). The document is concise (single-sheet/short specification) and intended to ensure consistent material quality for industrial users and purchasers.

General information

• Status: Current (2019 edition; reapproved/relisted with a 2025 designation).
• Publication date: Original edition published August 1, 2019; listed/reaffirmed with a 2025 designation (often shown as B29-19(2025), update activity in May 2025).
• Publisher: ASTM International (American Society for Testing and Materials).
• ICS / categories: 77 — Metallurgy; typically classified under 77.120 / 77.150 (Products of non‑ferrous metals; lead, zinc and tin products — ICS reference 77.150.60 for lead products).
• Edition / version: B29-19 (2019 edition), commonly referenced as B29-19(2025) where 2025 indicates a reapproval/listing year.
• Number of pages: Short specification (approximately 3–4 pages depending on publisher format).

Scope

The standard applies to refined lead produced and supplied in commercial forms (pig, block, hog) and defines acceptable grades by chemical composition. It covers requirements for manufacture (from ore or recycled feedstocks), sampling and preparation of samples for chemical analysis, and purchaser-requested forms and shapes. It does not cover downstream product design or detailed safety/regulatory controls, which remain the responsibility of users and manufacturers.

Key topics and requirements

• Defined product forms: pig, block, and hog lead.
• Specified grades and compositional limits (e.g., low-bismuth low-silver pure lead, refined pure lead, pure lead, chemical-copper lead).
• Requirements and recommended practices for sampling and sample preparation for chemical analysis (cleaning by sawing, drilling, or melting prior to sampling).
• Manufacturing origin: smelting/refining from ore or recycled materials permitted provided composition limits are met.
• Packaging, marking and purchaser-requested shapes/forms guidance.
• Reference to inch‑pound units as the standard, with SI conversions provided for information only.

Typical use and users

Producers and refiners of lead, metal traders and distributors, purchasers and procurement/specification engineers (battery manufacturers, cable/pipe manufacturers, chemical producers using lead feedstock), materials testing laboratories performing chemical analysis, and quality/compliance personnel who need a concise specification to verify refined lead shipments against agreed grades.

Related standards

Standards commonly referenced alongside ASTM B29 include other ASTM non‑ferrous and lead product specifications (for example, lead strip/sheet/plate specifications and related lead alloy standards), national standards and customs/product classification references for refined lead. Relevant ASTM committee series: Committee B02 (nonferrous metals and alloys) and related standards covering lead alloys, lead strip/sheet/plate, and sampling/test methods.

Keywords

refined lead; pig lead; block lead; hog lead; pure lead; refined pure lead; chemical‑copper lead; sampling; chemical analysis; lead grades; ASTM B29; B29-19(2025).

FAQ

Q: What is this standard?

A: ASTM B29-19(2025) is the ASTM International specification titled "Standard Specification for Refined Lead" that sets compositional grades and basic requirements for refined lead supplied in pig, block, or hog forms.

Q: What does it cover?

A: It covers product forms (pig, block, hog), defined grades with chemical-composition limits, sampling and sample-preparation practices for chemical analysis, and purchaser-requested forms and marking. It does not prescribe manufacturing processes beyond the requirement that material meet the specified composition limits.

Q: Who typically uses it?

A: Lead refiners and smelters, metal traders and purchasers, battery and chemical manufacturers using lead feedstock, materials testing laboratories, and procurement/quality teams who verify incoming refined lead shipments.

Q: Is it current or superseded?

A: The document is based on the 2019 edition (B29-19) and is shown with a 2025 reapproval/listing (commonly cited as B29-19(2025)). It supersedes earlier editions (for example, the 2014 edition) and is treated as current where the 2019 edition has been reaffirmed or re-listed in 2025.

Q: Is it part of a series?

A: Yes — it is part of ASTM's nonferrous metal/product standards compiled under Committee B02 (nonferrous metals and alloys). It is commonly used alongside other ASTM specifications for lead products and lead alloys.

Q: What are the key keywords?

A: Refined lead, pig lead, block lead, hog lead, pure lead, chemical‑copper lead, sampling, chemical analysis, ASTM B29, lead grades.