ASTM B12-76A

Specification for Copper Rods for Locomotive Staybolts (Withdrawn 1981)

General Information

• Status: Withdrawn
• Technical Committee: B05 - Copper and Copper Alloys

Standards Content (Sample)

76a
American National Standard H7.2
~~l~ Designation: B 12 -
American National Standards Institute
Standard Specification for
COPPER RODS FOR LOCOMOTIVE STAYBOLTS'
This Standard is issued under the fixed designation B 12; 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.
I. Scope 3.1. l rod, for staybolts-a round solid sec­
2 tion furnished in straight lengths.
1.1 This specification covers arsenical and
3.1.2 lengths-straight pieces of the product.
nonarsenical copper rods for locomotive stay­
3. I .2. t ends-straight pieces, shorter than
bolts. The following coppers are covered:
the nominal length, left over after cutting the
Previously
product into mill lengths, stock lengths or
Copper Used
No. Designation• Type of Copper specific lengths. They are subject to minimum
102 OF oxygen-free without residual length and maximum weight requirements.
deoxidants
3.1.2.2 mi/I-straight lengths, including
oxygen-free, extra low phos-
103
ends, that can be conveniently manufactured in
phorus
oxygen-free, low J:hosphorus the mills. Full length pieces are usually 10 or 12
108
110 ETP electrolytic tough pitch
ft (3.05 or 3.66 m) and subject to established
120 DLP phosphorized, ]oy, residual
length tolerances.
phosphorus
3 .1.2.3 multiple-straight lengths of integral
122 DHP phosphorized, high residual
phosphorus
multiples of a base length, with suitable allow­
125 FRTP fire-refined tough pitch
ance for cutting, if and when specified.
142 DPA phosphorized, arnenical
3.1.2.4 specific-straight lengths that are
NOTE I-The values stated in U.S. customary
uniform in length, as specified, and subject to
units are to be regarded as the standard.
established length tolerances.
3.1.2.5 specific with ends-specific lengths,
2. Applicable Documents
including ends.
2.1 The following documents of the issue in
3.1.2.6 stock-straight lengths that are mill
effect on date of material purchase form a part
cut and stored in advance of orders. They are
of this specification to the extent referenced
usually IO or 12 ft (3.05 or 3.66 m) and subject
herein:
to established length tolerances.
2.1.1 ASTM Standards:
3 .1.2. 7 stock with ends-stock lengths, in­
B 224, Classification of Coppers•
cluding ends.
5
E 8, Tension Testing of Metallic Materials
E 29, Recommended Practice for Indicating 'This specification is under the jurisdiction of ASTM
Committee B-s· on Copper and Copper Alloys.
Which Places of Figures Are to Be Con­
Current edition approved Jan. 30, 1976. Published March
1976. Orig1rn11Jy published as B 12 - 16 T. Last previous
sidered Significant in Specified Limiting
6 edition B 12 - 74a.
Values
2
For ASME Boiler and Pressure Vessel Code applica­
E 53, Chemical Analysis of Copper (Electro­ tions see related Specification SB-12 in Section II of that
Code.
7
lytic Determination of Copper)
•Designations of ASTM Specification 8 12 - 61. These
types are covered in ASTM Classification 8 224, Coppers,
E 55, Sampling Wrought Nonferrous Metals
which appears in the Annual Book of ASTM Standards,
and Alloys for Determination of Chemical
Part 6.
8
Composition •Annual Book of ASTM Standards, Part 6.
•Annual Book of ASTM Standards, Parts 6, 7, and IO.
8
Annual Book of ASTM Standards, Parts 10, 11, 12,
3. Definitions 35, 39, and41.
•Annual Book of ASTM Standards, Part 12.
1
3.1 The following definitions shall apply:
Annual Book of ASTM Standards, Parts 6, 7, and 12.
47

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B 12
4. Ordering Information NOTE 2-Material specified to meet requirements
of the ASME Boiler and Pressure Vessel Code shall
4.1 Orders for material under this specifica­
have a minimum yield strength of 10 ksi (70 M Pa) at
tion shall include the following information: 0.5 % extension under load.
4.1.1 Copper No. (Section 6),
8. Bending Requirements
4.1.2 Dimensions: length and diameter (Sec-
tion 9), 8.1 The bend test specimen shall stand being
4.1.3 Weight: total weight of each size, bent cold through 180 deg Oat on itself without
cracking on the outside of the bent portion.
4.1.4 Certification, if required, and
4.1.5 Mill test report, if required.
9. Dimensions and Permissible Variations
5. Materials and Manufacture
9.1 For the purpose of determining conform­
5.1 The material shall be of such quality and
ance with the dimensional requirements pre­
purity that the finished product shall have the
scribed in this specification, any measured
properties and characteristics prescribed in this
value outside the specified limiting values for
specification.
any dimension may be cause for ~ejection.
5.2 The rods shall be finished to dimensions
9.2 Diameter-The rods shall be round
by hot or cold working, or both, from suitable
within 0.01 in. (0.25 mm), and shall not vary
bar
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