ASTM B148-97e1

Standard Specification for Aluminum-Bronze Sand Castings

SCOPE
1.1 This specification establishes requirements for sand castings produced from copper-base alloys having the alloy numbers, commercial designations, and nominal compositions shown in Table 1.
1.2 The values stated in inch-pound units shall be regarded as the standard. Metric values given in parentheses are for information only.

General Information

• Status: Historical
• Publication Date: 31-Dec-1996
• Technical Committee: B05 - Copper and Copper Alloys
• Drafting Committee: B05.05 - Castings and Ingots for Remelting

Relations

• Replaced By: ASTM B148-97(2003) - Standard Specification for Aluminum-Bronze Sand Castings
• Effective Date: 10-Apr-2003
• Referred By: ASTM F998-12(2022) - Standard Specification for Centrifugal Pump, Shipboard Use
• Effective Date: 01-Jan-1997
• Referred By: ASTM B30-23 - Standard Specification for Copper Alloys in Ingot and Other Remelt Forms
• Effective Date: 01-Jan-1997
• Referred By: ASTM B584-22 - Standard Specification for Copper Alloy Sand Castings for General Applications
• Effective Date: 01-Jan-1997
• Referred By: ASTM F1508-96(2021) - Standard Specification for Angle Style, Pressure Relief Valves for Steam, Gas, and Liquid Services
• Effective Date: 01-Jan-1997
• Referred By: ASTM F1718-01(2019) - Standard Specification for Rotary Positive Displacement Distillate Fuel Pumps
• Effective Date: 01-Jan-1997
• Referred By: ASTM F1370-92(2019)e1 - Standard Specification for Pressure-Reducing Valves for Water Systems, Shipboard
• Effective Date: 01-Jan-1997
• Referred By: ASTM B824-17 - Standard Specification for General Requirements for Copper Alloy Castings
• Effective Date: 01-Jan-1997
• Referred By: ASTM F1347-23 - Standard Specification for Manually Operated Fueling Hose Reels
• Effective Date: 01-Jan-1997
• Referred By: ASTM F2798-09(2023) - Standard Specification for Sealless Lube Oil Pump with Oil Through Motor for Marine Applications
• Effective Date: 01-Jan-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NOTICE: This standard has either been superceded and replaced by a new version or discontinued.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.
e1
Designation: B 148 – 97
Standard Specification for
Aluminum-Bronze Sand Castings
This standard is issued under the fixed designation B 148; 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.
e NOTE—Table 3 was editorially corrected in January 2001.
1. Scope * 4.1.1 Quality of castings required,
4.1.2 Copper alloy number (Table 1) and temper (as-cast,
1.1 This specification establishes requirements for sand
heat treated, and so forth),
castings produced from copper-base alloys having the alloy
4.1.3 Specification title, number, and year of issue,
numbers, commercial designations, and nominal compositions
4.1.4 Pattern or drawing number and condition (cast, ma-
shown in Table 1.
chined, and so forth),
1.2 The values stated in inch-pound units shall be regarded
4.1.5 Analysis of residual elements, if specified in the
as the standard. Metric values given in parentheses are for
purchase order (Specification B 824),
information only.
4.1.6 Pressure test requirements, if specified in the purchase
2. Referenced Documents order (Specification B 824),
4.1.7 Soundness requirements, if specified in the purchase
2.1 The following documents of the issue in effect on date
order (Specification B 824),
of material purchase form a part of this specification to the
4.1.8 Certification, if specified in the purchase order (Speci-
extent referenced herein:
fication B 824),
2.2 ASTM Standards:
4.1.9 Test report, if specified in the purchase order (Speci-
B 208 Practice for Preparing Tension Test Specimens for
fication B 824),
Copper Alloys for Sand, Permanent Mold, Centrifugal, and
4.1.10 Witness inspection, if specified in the purchase order
Continuous Castings
(Specification B 824),
B 824 Specification for General Requirements for Copper
4.1.11 Approval of weld procedure and records of repairs, if
Alloy Castings
specified in the purchase order (Section 8),
E 10 Test Method for Brinell Hardness of Metallic Materi-
4.1.12 ASME Boiler and Pressure Vessel Code application
als
(9.2 and Section 11),
E 18 Test Methods for Rockwell Hardness and Rockwell
4.1.13 Castings for seawater service (5.3), and
Superficial Hardness of Metallic Materials
4.1.14 Product marking, if specified in the purchase order
E 527 Practice for Numbering Metals and Alloys (UNS)
(Specification B 824).
3. General Requirements
4.2 When material is purchased for agencies of the U.S.
Government, the Supplementary Requirements of this specifi-
3.1 Material furnished under this specification shall con-
cation may be specified.
form to the applicable requirements of Specification B 824.
5. Materials and Manufacture
4. Ordering Information
5.1 For better corrosion resistance in seawater applications,
4.1 Orders for castings under this specification shall include
castings in Copper Alloy UNS No. C95800 shall be given a
the following information:
temper anneal heat treatment at 1250 6 50°F (675 6 10°C) for
1 6 h minimum. Cooling shall be by the fastest means possible
This specification is under the jurisdiction of ASTM Committee B05 on Copper
and Copper Alloys and is the direct responsibility of Subcommittee B05.05 on that will not cause excessive distortion or cracking. Propeller
Castings and Ingots for Remelting.
castings shall be exempt from this requirement.
Current edition approved May 10, 1997. Published October 1997. Originally
5.2 Copper Alloy UNS Nos. C95300, C95400, C95410, and
published as B 148 – 41 T. Last previous edition B 148 – 93a.
C95500 may be supplied in the heat-treated condition to obtain
The UNS system for copper and copper alloys (see Practice E 527) is a simple
expansion of the former standard designation system accomplished by the addition
the higher mechanical properties shown in Table 3. Suggested
of a prefix “C” and a suffix “00.” The suffix can be used to accommodate
composition variations of the base alloy.
Annual Book of ASTM Standards, Vol 02.01.
4 6
Annual Book of ASTM Standards, Vol 03.01. Available from the American Society of Mechanical Engineers, Headquarters,
Annual Book of ASTM Standards, Vol 01.01. Three Park Ave., New York, NY 10016-5990.
*A Summary of Changes section appears at the end of this standard.
Copyright © ASTM, 100 Barr Harbor Drive, 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 148
TABLE 1 Nominal Compositions
Nominal Composition, %
Copper Alloy Old Desig- Commercial
UNS No. nation Designation
Copper Nickel Iron Aluminum Silicon Manganese
C95200 9A Grade A 88.0 . . . 3.0 9.0 . . . . . .
A
C95300 9B Grade B 89.0 . . . 1.0 10.0 . . . . . .
A
C95400 9C Grade C 85.0 . . . 4.0 11.0 . . . . . .
A
C95410 . . . . . . 84.0 2.0 4.0 10.0 . . . . . .
A
C95500 9D Grade D 81.0 4.0 4.0 11.0 . . . . . .
A
C95520 . . . . . . 78.5 5.5 5.0 11.0 . . . . . .
C95600 9E Grade E 91.0 . . . . . . 7.0 2.0 . . .
C95700 9F Grade F 75.0 2.0 3.0 8.0 . . . 12.0
C95800 . . . . . . 81.3 4.5 4.0 9.0 . . . 1.2
C95820 . . . . . . 79.0 5.2 4.5 9.5 . . . 1.0
C95900 . . . . . . 87.5 . . . 4.5 13.0 . . . . . .
A
These grades respond to heat treatment.
TABLE 2 Chemical Requirements
Manganese-
Silicon Nickel
Nickel Aluminum
Classification Aluminum Bronze Nickel Aluminum Bronze Aluminum Aluminum
Aluminum Bronze
Bronze Bronze
Bronze
A B
Copper Alloy C95200 C95300 C95400 C95410 C95500 C95520 C95600 C95700 C95800 C95820 C95900
UNS No.
Composition, %
Copper 86.0 min 86.0 min 83.0 min 83.0 min 78.0 min 74.5 min 88.0 min 71.0 min 79.0 min 77.5 min remainder
Aluminum 8.5–9.5 9.0–11.0 10.0–11.5 10.0–11.5 10.0–11.5 10.5–11.5 6.0–8.0 7.0–8.5 8.5–9.5 9.0–10.0 12.0–13.5
C
Iron 2.5–4.0 0.8–1.5 3.0–5.0 3.0–5.0 3.0–5.0 4.0–5.5 . . . 2.0–4.0 3.5–4.5 4.0–5.0 3.0–5.0
Manganese . . . . . . 0.50 max 0.50 max 3.5 max 1.5 max . . . 11.0–14.0 0.8–1.5 1.5 max 1.5 max
C
Nickel (incl . . . . . . 1.5 max 1.5–2.5 3.0–5.5 4.2–6.0 0.25 max 1.5–3.0 4.0–5.0 4.5–5.8 0.5 max
cobalt)
Silicon . . . . . . . . . . . . . . . 0.15 max 1.8–3.2 0.10 max 0.10 max 0.10 max . . .
Lead . . . . . . . . . . . . . . . 0.03 max . . . 0.03 max 0.03 max 0.02 max . . .
A
Chromium shall be 0.05 max, cobalt 0.20 max, tin 0.25 max, and zinc 0.30 max.
B
Zinc shall be 0.2 max and tin 0.02 max.
C
Iron content shall not exceed the nickel content.
heat treatments for these alloys and Copper Alloy UNS No.
Copper Plus Named Elements,
Copper Alloy UNS Number min, %
C95520 are given in Table 4. Actual practice may vary by
manufacturer.
C95200 99.0
C95300 99.0
5.3 Copper Alloy UNS No. C95520 is used in the heat-
C95400 99.5
treated condition only.
C95410 99.5
5.4 Copper Alloy UNS No. C95900 is normally supplied C95500 99.5
C95520 99.5
annealed between 1100°F (595°C) and 1300°F (705°C) fol-
C95600 99.0
lowed by air cooling.
C95700 99.5
C95800 99.5
5.5 Copper Alloy UNS No. C95820 is supplied in the
C95820 99.2
as-cast condition.
C95900 99.5
5.6 Separately cast test bar coupons representing castings
7. Mechanical Properties
made in Copper Alloy UNS Nos. C95300HT, C95400HT,
7.1 Mechanical properties shall be determined from sepa-
C95410HT, C95500HT, C95520HT, C95800 temper annealed,
rately cast test bar castings and shall meet the requirements
and C95900 annealed shall be heat treated with the castings.
shown in Table 3.
6. Chemical Composition
8. Casting Repair
6.1 The castings shall conform to the chemical requirements
8.1 Alloys included in this specification are generally weld-
shown in Table 2.
able. Weld repairs may be made at the manufacturer’s discre-
6.2 These specification limits do not preclude the presence tion provided each excavation does not exceed 20 % of the
of other elements. Limits may be established by agreement casting section or wall thickness or 4 % of the casting surface
between manufacturer or supplier and purchaser for these area.
unnamed elements. Copper may be given as remainder and 8.2 Excavations that exceed those described in 8.1 may be
may be taken as the difference between the sum of all elements made at the manufacturer’s discretion except that when re-
analyzed and 100 %. When all the elements in the table are quired (4.1.11) the weld procedure shall be approved by the
analyzed, their sum shall be as specified in the following table: purchaser and the following records shall be maintained:
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 148
TABLE 3 Mechanical Requirements
Manganese-
Aluminum Bronze Nickel Aluminum Bronze Nickel
Silicon Aluminum Nickel Aluminum
Classification Aluminum
Bronze Aluminum Bronze
As-Cast As-Cast Bronze
Bronze
C95400 and
A B
Copper Alloy UNS No. C95200 C95300 C95500 C95820 C95600 C95700 C95800 C95900
C95410
Tensile strength, min, 65 65 75 90 94 60 90 85 .
C D
ksi (MPa ) (450) (450) (515) (620) (650) (415) (620) (585) .
E F
Yield strength, min, 25 25 30 40 39 28 40 35 .
C D F
ksi (MPa ) (170) (170) (205) (275) (270) (195) (275) (240) .
Elongation in 2 in. 20 20 12 6 13 10 20 15 . . .
(50.8 mm), %
G
Brinell hardness No. 110 110 150 190 . . . . .
(3000-kg load)
Heat-Treated
C95400 and
H
Copper Alloy UNS No. C95300 C95500 C95520
C95410
Tensile strength, min, . 80 90 110 125 . . . .
C D
ksi (MPa) . (550) (62
...