ASTM B29-92(1997)

Standard Specification for Refined Lead

SCOPE
1.1 This specification covers refined lead in pig, block, or hog form.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
1.3 This standard does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 09-Apr-1997
• ICS: 77.150.60 - Lead, zinc and tin products
• Technical Committee: B02 - Nonferrous Metals and Alloys
• Drafting Committee: B02.02 - Refined Lead, Tin, Antimony, and Their Alloys

Relations

• Replaced By: ASTM B29-03 - Standard Specification for Refined Lead
• Effective Date: 10-Jun-2003
• Referred By: ASTM B749-20 - Standard Specification for Lead and Lead Alloy Strip, Sheet, and Plate Products
• Effective Date: 10-Apr-1997

Standards Content (Sample)

NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: B 29 – 92 (Reapproved 1997)
Standard Specification for
Refined Lead
This standard is issued under the fixed designation B 29; the number immediately following the designation indicates the year of original
adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A superscript
epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
A,B
TABLE 1 Chemical Requirements
1. Scope
Composition (Weight Percent)
1.1 This specification covers refined lead in pig, block, or
Low Bismuth
hog form.
Grade
Low Silver Refined Pure Pure Lead, Chemical-
1.2 The values stated in inch-pound units are to be regarded
D E
Pure Lead, Lead, max max Copper Lead
C
as the standard. The values given in parentheses are for
max
information only.
Sb 0.0005 0.0005 0.001 0.001 max
As 0.0005 0.0005 0.001 0.001 max
1.3 This standard does not purport to address all of the
Sn 0.0005 0.0005 0.001 0.001 max
safety concerns, if any, associated with its use. It is the
Sb As and Sn . . 0.002 0.002 max
responsibility of the user of this standard to establish appro-
Cu 0.0010 0.0010 0.0015 0.040–0.080
Ag 0.0010 0.0025 0.005 0.020 max
priate safety and health practices and determine the applica-
Bi 0.0015 0.025 0.05 0.025 max
bility of regulatory limitations prior to use.
Zn 0.0005 0.0005 0.001 0.001 max
Te 0.0001 0.0001 . .
2. Referenced Documents
Ni 0.0002 0.0002 0.001 0.002 max
Fe 0.0002 0.001 0.001 0.002 max
2.1 The following documents of the issue in effect on the
Lead (min) by 99.995 99.97 99.94 99.90
date of material purchase form a part of this specification to the
difference
extent referenced herein. UNS Number L50006 L50021 L50049 L51121
A
2.2 ASTM Standards:
The following applies to all specified limits in Table 1: For the purpose of
determining conformance with this specification, an observed value obtained from
E 29 Practice for Using Significant Digits in Test Data to
the analysis shall be rounded off “to the nearest unit” in the last right hand place
Determine Conformance with Specifications
of figures used in expressing the limiting value, in accordance with the rounding
E 37 Test Methods for Chemical Analysis of Pig Lead
method of Practice E 29.
B
By agreement between the purchaser and the supplier, analyses may be
E 88 Practice for Sampling Nonferrous Metals and Alloys
required and limits established for elements or compounds not specified in Table
in Cast Form for Determination of Chemical Composition
1.
C
This grade is intended for chemical applications where low silver and low
3. Ordering Information bismuth contents are required.
D
This grade is intended for lead acid battery applications.
3.1 Orders for refined lead under this specification shall E
This grade is intended for applications requiring corrosion protection and
formability.
include the following information:
3.1.1 ASTM designation and year of issue,
4.1.1 Low bismuth low silver pure lead,
3.1.2 Quantity (weight),
4.1.2 Refined pure lead,
3.1.3 Name of material (for example, pure lead),
4.1.3 Pure lead, and
3.1.4 Size and shape (see Section 6),
4.1.4 Chemical copper lead.
3.1.5 Grade (see Table 1 and accompanying notes), and
4.2 The grades of lead listed in 4.1.1-4.1.4 shall be produced
3.1.6 Certification or test report if specified (Section 13).
by any smelting and refining process from ore or recycled
materials to meet the chemical requirements of this specifica-
4. Materials and Manufacture
tion.
4.1 Lead shall be supplied in commercial standard forms or
shapes requested by the purchaser in the following grades:
5. Composition
5.1 The lead shall conform to the requirements prescribed in
1 Table 1 and accompanying notes.
This specification is under the jurisdiction of ASTM Committee B-2 on
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
6. Sizes and Shapes
B02.02 on Refined Lead, Tin, Antimony, and Their Alloys.
Current edition approved Aug. 15, 1992. Published December 1992. Originally
6.1 Pigs shall weigh up to a nominal 110 lb (50 kg).
published as B 29 – 19 T. Last previous edition B 29 – 79 (1984).
2 6.2 Blocks or hogs shall be square or oblong and weigh up
Annual Book of ASTM Standards, Vol 14.02.
Annual Book of ASTM Standards, Vol 03.05. to 2530 lb (1150 kg).
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
B29
7. Appearance purchaser shall agree mutually as to the method to be followed
in sampling such shapes.
7.1 The lead shall be reasonably free from surface corrosion
9.3.2 Sampling Pig Lead—A portion representative of the
and adhering foreign material.
total shipment shall be selected at random for the final sample.
8. Lot
For lots containing at least 100 000 lb (45 400 kg) of pig lead,
one pig shall be taken from every 20 000 lb (9080 kg). For
8.1 All lead of the same type produced and cast at one time
smaller lots, a total of five pigs shall be taken.
shall constitute a lot for chemical analysis. Each pig or block of
9.3.3 Sample Preparation—Each pig shall be cleaned thor-
the lot shall bear a single identifying number that can be related
oughly to rid the surface of dirt or adhering foreign material
to the manufacturing lot.
prior to sampling by one of the following methods: sawing,
9. Sampling for Chemical Analysis
drilling, or melting.
9.1 The sample for chemical analysis shall be selected by
9.3.3.1 Sawing—The pigs selected shall be sawed com-
one of the following methods:
pletely through as illustrated in Fig. 1. The sawings from the
9.1.1 Test samples taken from the lot during casting, or
pigs shall be mixed thoroughly and quartered, and the samples
9.1.2 Test samples taken from the final solidified cast
for analysis taken from the mixed material. The sawings must
product.
be free of extraneous material introduced from the saw blade.
9.2 Sampling for Lot Analysis—The supplier may obtain
All sawings shall be treated with a strong magnet in order to
samples from the lot of molten metal during casting. All or part
remove iron introduced by sawing.
of these samples may be cast into shapes suitable for use in
9.3.3.2 Drilling—The pigs shall be dril
...