ASTM A759-85(1992)
(Specification)Standard Specification for Carbon Steel Crane Rails
Standard Specification for Carbon Steel Crane Rails
SCOPE
1.1 This specification covers carbon steel crane rails of special designs only, and nominal weights of 104 lb/yd (51.6 kg/m) through 175 lb/yd (86.8 kg/m) for crane runway use.
1.2 When standard tee rail sections are desired, they shall be ordered in accordance with Specification A1.
1.3 Supplementary Requirements S1 through S4 of an optional nature are provided. They shall apply only when specified by the purchaser in the order.
1.4 The values stated in inch-pound units are to be regarded as the standard.
General Information
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Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn. Contact ASTM International (www.astm.org) for the latest information.
Designation: A 759 – 85 (Reapproved 1992)
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Specification for
Carbon Steel Crane Rails
This standard is issued under the fixed designation A 759; 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 3. Ordering Information
1.1 This specification covers carbon steel crane rails of 3.1 Orders for crane rails under this specification shall
special designs only, and nominal weights of 104 lb/yd (51.6 include the following information as appropriate:
kg/m) through 175 lb/yd (86.8 kg/m) for crane runway use. 3.1.1 Quantity (tons or pieces),
1.2 When standard tee rail sections are desired, they shall be 3.1.2 ASTM designation and year of issue,
ordered in accordance with Specification A 1. 3.1.3 Complete identification of section with dimensional
1.3 Supplementary Requirements S1 through S5 of an drawing if required (see 2.1 and 2.2),
optional nature are provided. They shall apply only when 3.1.4 Length of rails or length of runway as required, (see
specified by the purchaser in the order. 6.3 and S1),
1.4 The values stated in inch-pound units are to be regarded 3.1.5 Arrangement of drilled bolt holes with dimensional
as the standard. drawing if required,
3.1.6 Supplementary requirements that shall apply (see S1
2. Referenced Documents
through S5), and
2.1 ASTM Standards: 3.1.7 Certification and Test Report Requirements (see Sec-
A 1 Specification for Carbon Steel Tee Rails
tion 10).
2.2 Design details for the special crane rails are indicated in
4. Manufacture
the crane rail catalogs of individual manufacturers, and re-
ferred to in the following documents: 4.1 Melting Practice:—The steel shall be made by any of
American Institute of Steel Construction, Inc. (AISC), the following processes: open-hearth, basic-oxygen or electric-
Manual of Steel Construction, Seventh Edition, pp. furnace.
1–136 and 1–137 4.1.1 The steel may be cast by a continuous process, or in
Association of Iron and Steel Engineers (AISE), Standard ingots.
No. 6, May 1, 1969, pp. MD-22 through MD-25 4.2 Discard—A sufficient discard shall be made to secure
Crane Manufacturers Association, Inc. (CMAA), Specifica- freedom from injurious segregation and piping.
tion No. 70, 1971, pp. 20 and 34 4.3 Control Cooling:
2.3 Military Standards: 4.3.1 Rails shall be control cooled in accordance with the
MIL-STD-129 Marking for Shipment and Storage following procedure, except when produced from vacuum-
MIL-STD-163 Steel Mill Products, Preparation for Ship- degassed steel or control cooled blooms, in which case the rails
ment and Storage may be air cooled and 4.3.2 through 4.3.6 are not applicable.
2.4 Federal Standards 4.3.2 All rails shall be cooled on hot beds or runways until
Federal Standard No. 123 Marking for Shipment (Civil full transformation is accomplished, and then charge immedi-
Agencies) ately into the containers. In no case should the rail be charged
below 725°F (386°C).
4.3.3 The temperature of the rails before charging shall be
This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
determined with reliable equipment at the head of the rail at
Stainless Steel and Related Alloysand is the direct responsibility of Subcommittee
least 12 in. (305 mm) from the end.
A01.01on Steel Rails and Accessories.
Current edition approved Aug. 30, 1985. Published October 1985. Originally 4.3.4 The cover shall be placed on the container immedi-
published as A 759 – 78. Last previous edition A 759 – 78.
ately after completion of the charge and shall remain in place
Annual Book of ASTM Standards, Vol 01.04.
for at least 10 h. After the removal or raising of the lid of the
Available from the American Institute of Steel Construction, Inc., 8720 Red
container, no rails shall be removed until the temperature of the
Oak Blvd., Ste. 201, Charlotte, NC 28217.
Available from the Association of Iron and Steel Engineers, 3 Gateway Center,
top layer of rails has fallen to 300°F (149°C) or lower.
Pittsburgh, PA 15222.
4.3.5 The temperature between an outside rail and the
Available from the Crane Manufacturers Association of America, Inc., 8720
adjacent rail in the bottom tier of the container at a point not
Red Oak Blvd., Ste. 201, Charlotte, NC 28217.
less than 12 in. (305 mm), nor more than 36 in. (914 mm), from
Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS.
A 759
TABLE 2 Product Analysis Allowance Beyond Limits of
the rail end shall be recorded. This temperature shall be the
Specified Chemical Analysis
control for judging rate of cooling.
4.3.6 The container shall be so protected and insulated that
Under Minimum Limit, % Over Maximum Limit, %
the control temperature shall not drop below 300°F (149°C) in
Carbon 0.04 0.04
7 h from the time that the bottom tier is placed in the container.
Manganese 0.06 0.06
If this cooling requirement is not met, the rails shall be
Phosphorus . . . 0.008
Sulfur . . . 0.008
considered control cooled provided the temperature at a
A
Silicon 0.02 0.02
location not less than 12 in. (305 mm) from the end of a rail at
A
Continuously cast allowances shall be 0.05 % over maximum limit for silicon.
approximately the center of the middle tier does not drop below
300°F (149°C) in less than 15 h.
6.2 Weight—A variation of 1 % from the calculated weight
4.4 End Hardening—When specified in accordance with
of section as applied to the entire order will be permitted.
Supplementary Requirement S2, certain section crane rails
6.3 Length:
shall be end hardened.
6.3.1 The standard length of rail shall be 39 ft (11.9 m)
4.5 Heat Treatment—When specified in accordance with
when measured at a temperature of 60°F (15.5°C).
Supplementary Requirement S3, all or a portion of the quantity
6.3.2 All standard 39-ft lengths may be specified; or
of rails ordered shall be heat treated.
6.3.3 Standard 39-ft lengths with up to 11 % of the entire
4.6 Chamfering—When specified in accordance with
order in lengths shorter than standard, varying by 1 ft (0.3 m)
Supplementary Requirement S4, the ends of rails shall be
from 38 to 20 ft (11.6 to 6.1 m), may be specified; or
chamfered.
4.7 Ends Prepared for Electric Arc Welding—When rails 6.3.4 Special cut lengths to complete an overall runway
length may be specified in conjunction with 39-ft lengths, or
are to be joined by electric arc welding, special end preparation
may be available from individual manufacturers as may be 39-ft lengths with shorts.
6.3.5 A variation of ⁄16 in. (11.1 mm) from the specified
developed in accordance with Supplementary Requirement S5.
length of individual rails will be permitted.
5. Chemical Requirements
6.
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