ASTM B149-70

Specification for Leaded Nickel-Brass (Leaded Nickel-Silver) and Leaded Nickel-Bronze (Leaded Nickel-Silver) (Withdrawn 1972)

General Information

• Status: Withdrawn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

Standards Content (Sample)

Endorsed by
~~f~ oesignation: e 149 - 10
American Foundrymen's Society
Standard Specification for
LEADED NICKEL BRASS (LEADED NICKEL
SILVER) AND LEADED NICKEL BRONZE (LEADED
NICKEL SILVER) SAND CASTINGS'
This Standard is issued under the fixed designation B 149: the number immediately fol.lowing 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 5. Mechanical Properties
1
1.1 This specification covers castings of 5.1 The material shall conform to the re­
1
three alloys having the ASTM classifications,:
quirements as to tensile properties prescribed
4
alloy numbers and commercial designations,
in Table 3.
and nominal compositions shown in Table I.
6. Pressure and Fracture Tests
NOTE-The values stated in U.S. customary
units are to be regarded as the standard. The metric 6.1 The castings made from these alloys
equivalents or U.S. customary units may be approx­
shall conform to such .requirements as to pres­
. imate.
sure and fracture tests as may be agreed upon
by the manufacturer and the purchaser and as
2. Ordering Information
specified in the order.
2. l Orders for material under this specifi­
cation shall include the following information:
7. Workmanship, Finish, and Appearance
2.1.I Alloy number (Section I),
7.1 The castings shall be free from blow­
:i.1.2 Tests or certification required (Sec­
holes, porosity, hard spots, shrinkage defects
tions 6, 8, JO, 14), and
or cracks, or oth_er injurious defects and shall
2.1.3 Marking, if required (Section 15).
be smooth and well cleaned, before inspec­
tion, by sand blasting, tumbling, chipping, or·
3. Materials and Manufacture
other process approved by the inspector.
3.1 The alloy may be made by any ap­
7 .f The castings shall be not repaired,
proved method. If alloys in ingot form are
plugged, welded, or "burned in," unless per­
used, the alloy ingot selected shall have the
mission from the inspector has been pre­
same ASTM classification and alloy number
viously secured. This permission will be given
as prescribed in this specification and shall
·only when the defects are such that after the
conform to the requirements for that alloy as
approved repair the usefulness and strength of
·prescribed in ASTM Specification B 30, for
the casting has not been impaired. Each such
Copper-Base Alloys in Ingot Form for Sand
5
Castings.
1
This specification is under the jurisdiction of ASTM
3.2 The castings shall be made in accord­
Committee B-5 on Copper and Copper Alloys. A list of
ance with such practice as to obtain the physi­ members may be found in the ASTM Yearbook.
Current edition effective Feb. 27, 1970. Originally is­
in this specification.
cal properties prescribed
sue_d 1941. Replaces B 149 - 52.
3.3 The castings shall be of uniform qual­ ' For ASME Boiler and Pressure Vessel Code applica­
tions see related Specification SB-149 in Section II of that
ity.
Code.
"ASTM Classification B 119, Cast Copper-Base Alloys,
which appears in the Annual Book of ASTM S1andard.r,
4. Chemical Requirements
Part 5.
'The alloy numbers are arbitrarily ch9sen and have no
4.1 The castings shall conform to the i-e­
other significance.
quirements as to chemical composition pre­
.; Annual Book of ASTM Standards, Part S.
6
scribed in Table 2. Annudl Book of ASTM Standards, Part 32.
270

---------------------- Page: 1 ----------------------
B 149
repair shall be encircled by a ring of white
Specimens for Copper-Base Alloys for Sand
5
paint at the time of shipment. Castings, except that Fig. l of Recommended
7.3 All castings shall be true to pattern,
Practice B 208 is not applicable to these al­
free from swells, etc. Wall thicknesses shall be
loys.
uniform throughout the lot of castings and all
JO. Methods of Test
cores shall be accurately set.
7.4 Where thick and thin sections join, the
10.1 The sample for chemical analysis sha11
manufacturer shall be permitted to add
be taken by drilling or cutting the test coupon
(where not previously provided) fillets of
or sprue in such a manner as to be representa­
proper size to avoid cracking upon cooling,
tive of the entire cross section.
subject to the approval of the inspector.
10.2 Analyses, when made, shall be per­
7 .5 The manufacturer shall not be respon­
formed in accordance with ASTM Methods
sible for the dimensional accuracy of patterns
E 75, Chemical Analysis of Copper-Nickel and
0
furnished by the purchaser.
Copper-Nickel-Zinc Alloys.
I 0.3 The tension tests shall be made in
8. Number of Tests and Retests
accordance with ASTM Methods E 8, Tension
8.1 An analysis of each melt may be re­
Testing of Metallic Materials.'
quired at the option of the purchaser. If the
castings are made from ingot metal in accord­
11. Significance of Numerical Limits
ance with Specification B 30 or returns
l l.I For purposes
...