ASTM B749-97
(Specification)Standard Specification for Lead and Lead Alloy Strip, Sheet, and Plate Products
Standard Specification for Lead and Lead Alloy Strip, Sheet, and Plate Products
SCOPE
1.1 This specification covers lead sheet, strip, and plate of various alloys intended for use in chemical plants, sound attenuation, roofing, vibration dampening, flashing and weather stripping, waterproofing, and radiation shielding.
1.2 The values stated in inch-pound units are to be regarded as the standard.
General Information
Relations
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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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 749 – 97
Standard Specification for
Lead and Lead Alloy Strip, Sheet, and Plate Products
This standard is issued under the fixed designation B 749; 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.
1. Scope 4. Ordering Information
1.1 This specification covers lead sheet, strip, and plate of 4.1 Orders for material to this specification shall include the
various alloys intended for use in chemical plants, sound following information:
attenuation, roofing, vibration dampening, flashing and 4.1.1 Alloy (chemical composition) with variations speci-
weather stripping, waterproofing, and radiation shielding. fied.
1.2 The values stated in inch-pound units are to be regarded 4.1.2 Type (strip, sheet, or plate).
as the standard. 4.1.3 Condition including mechanical properties where ap-
plicable.
2. Referenced Documents
4.1.4 Dimensions.
2.1 ASTM Standards:
4.1.5 Number of Pieces.
B 29 Specification for Pig Lead 4.1.6 Certification—State if certification is required.
E 8 Test Methods for Tension Testing of Metallic Materials
4.1.7 Sampling—Type of sampling required and whether
E 10 Test Method for Brinell Hardness of Metallic Materi- samples product (check) analysis shall be furnished.
als
4.1.8 Inspection Requirements—If purchaser wishes to wit-
E 18 Test Methods for Rockwell Hardness and Rockwell ness tests or inspection of material at the place of manufacture,
Superficial Hardness of Metallic Materials
the purchase order must so state indicating which tests or
E 29 Practice for Using Significant Digits in Test Data to inspections are to be witnessed.
Determine Conformance with Specifications
4.1.9 Optional Requirements:
E 37 Test Methods for Chemical Analysis of Pig Lead 4.1.9.1 Strip and Sheet—Whether to be furnished in coils or
E 87 Methods for Chemical Analysis of Lead, Tin, Anti-
in cut straight lengths.
mony, and Their Alloys (Photometric Methods) 4.1.9.2 Sheet and Plate—Whether to be furnished in spe-
E 112 Test Methods for Determining the Average Grain
cially flattened condition.
Size 4.1.9.3 Wrought Products—Minimum reduction required.
3. Terminology Definitions
5. Materials and Manufacture
3.1 lot—shall consist of all the lead sheet, strip, or plate of 5.1 The lead sheet, strip, or plate shall be manufactured by
the same alloy produced by one manufacturer and offered for
rolling or extruding the product from a lead work piece of
delivery at one time for sampling and inspection from one chemical composition specified in Table 1 or other specified
manufacturing or smelting heat. composition. The work piece may be prepared by conventional
3.2 plate—any product over 0.187 in. (4.75 mm) in thick-
casting into a mold or by continuous casting. Lead sheet or
ness and over 10 in. (254 mm) in width. strip may also be produced by direct continuous casting to the
3.3 sheet—products 0.187 in. (4.75 mm) and under in
desired thickness.
thickness and 24 in. (610 mm) or more in width.
6. Chemical Composition
3.4 strip—any product 0.187 in. (4.75 mm) and under in
thickness and less than 24 in. (610 mm) in width. 6.1 Lead sheet, strip, and plate shall conform to the chemi-
cal composition limits specified in the purchase order. The
appropriate ASTM or UNS alloy may be designated where
This specification is under the jurisdiction of ASTM Committee B-2 on
applicable. Table 1 lists the chemical requirements of several
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
grades of lead for information purposes.
B02.02 on Refined Lead, Tin Antimony, and Their Alloys.
Current edition approved, Apr. 10, 1997. Published February 1998. Originally
NOTE 1—Soft lead sheet, strip, and plate is generally produced from
published as B 749 – 85. Last previous edition B 749–85 (1991).
Specification B 29 grade copper-bearing lead.
Annual Book of ASTM Standards, Vol 02.04.
Annual Book of ASTM Standards, Vol 03.01.
6.2 If a product (check) analysis is performed by the
Annual Book of ASTM Standards, Vol 14.02.
purchaser, the material shall conform to the product analysis
Annual Book of ASTM Standards, Vol 03.05.
variation in chemical composition specified in the purchase
Discontinued—see 1984 Annual Book of ASTM Standards, Vol 03.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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.
B 749
A,B
TABLE 1 Chemical Requirements TABLE 2 Permissible Thickness Variation
Composition (Weight Percent)
NOTE 1—For ordering information, lead 1 in. thick weighs approxi-
Low Bismuth mately 60 lb/ft .
Low Silver Refined Pure Pure Lead, Chemical-Copper
Grade Maximum
D E
Pure Lead, Lead, max max Lead
Specified Maximum Maximum Over Alternate,
C
max
Thickness, in. Under, in. Over, in. in. (see section 8.13
Sb 0.0005 0.0005 0.001 0.001 max 8.1.3
As 0.0005 0.0005 0.001 0.001 max
0.015–0.100 0.005 0.005
Sn 0.0005 0.0005 0.001 0.001 max
0.101–0.130 0.006 0.006 0.031
Sb As and Sn . . . . . . 0.002 0.002 max
0.131–0.150 0.007 0.007 0.031
Cu 0.0010 0.0010 0.0015 0.040–0.080
0.151–0.170 0.008 0.008 0.031
Ag 0.0010 0.0025 0.005 0.020 max
0.171–0.190 0.009 0.009 0.031
Bi 0.0015 0.025 0.05 0.025 max
0.191–0.210 0.010 0.010 0.031
Zn 0.0005 0.0005 0.001 0.001 max
0.211–0.230 0.011 0.011 0.031
Te 0.0001 0.0001 . . . . . .
0.231–0.250 0.012 0.012 0.031
Ni 0.0002 0.0002 0.001 0.002 max
0.251–0.270 0.013 0.013 0.031
Fe 0.0002 0.001 0.001 0.002 max
0.271–0.290 0.014 0.014 0.031
Lead (min) by 99.995 99.97 99.94 99.90
0.291–0.310 0.015 0.015 0.031
difference
0.311–0.400 0.016 0.020 0.031
UNS Number L50006 L50021 L50049 L51121
0.401–0.500 0.016 0.025 0.031
A
The following applies to all specified limits in Table 1: For the purpose of 0.501–0.600 0.016 0.030 0.031
determining conformance with this specification, an observed value obtained from
0.601–0.630 0.016 0.031 0.031
the analysis shall be rounded off “to the nearest unit” in the last right hand place Above–0.630 0.016 0.031 0.031
of figures used in expressing the limiting value, in accordance with the rounding
method of Practice E 29.
B
By agreement between the purchaser and the supplier, analyses may be
8.2.3 Slit Strip—Slit strip in coils shall not vary from the
required and limits established for elements or compounds not specified in Table
ordered width by more than 0.062 in. (1.59 mm).
1.
C
This grade is intended for chemical applications where low silver and low
8.3 Straightness:
bismuth contents are required.
8.3.1 The edgewise curvature (depth of curvature) of flat
D
This grade is intended for lead acid battery applications.
E
strip, sheet, or plate shall not exceed 0.05 in. multiplied by the
This grade is intended for applications requiring corrosion protection and
formability.
length in feet of the piece (0.04 mm multiplied by the length in
centimeters).
8.3.2 Straightness of coiled strip material is subject to
agreement or in the applicable alloy specification.
agreement between manufacturer and purchaser.
8.4 Squareness—For products of all thickness, the angle
7. Mechanical Properties
between adjacent sides shall be 90 6 15° ( ⁄16 in. in 24 in.),
7.1 The material shall conform to the mechanical properties
(1.59 mm in 610 mm).
specified in the
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