ASTM A595-98

Standard Specification for Steel Tubes, Low-Carbon, Tapered for Structural Use

SCOPE
1.1 This specification covers three grades of seam-welded, round, tapered steel tubes for structural use. Grades A and B are of low-carbon steel composition and Grade C is of weather-resistant steel composition.  
1.2 This tubing is produced in welded sizes in a range of diameters from 2 1/2 to 30 in. (63.5 to 762.0 mm) inclusive. Wall thicknesses range from 0.1046 to 0.375 in. (2.66 to 9.53 mm). Tapers are subject to agreement with the manufacturer.  
1.3 The values stated in inch-pound units are to be regarded as the standard.

General Information

• Status: Historical
• Publication Date: 09-Sep-1998
• Technical Committee: A01 - Steel, Stainless Steel and Related Alloys
• Drafting Committee: A01.09 - Carbon Steel Tubular Products

Relations

• Replaced By: ASTM A595-98(2002) - Standard Specification for Steel Tubes, Low-Carbon, Tapered for Structural Use
• Effective Date: 10-Sep-1998

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NOTICE: This standard has either been superseded and replaced by a new version or
withdrawn.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 595 – 98 An American National Standard
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
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Steel Tubes, Low-Carbon, Tapered for Structural Use
This standard is issued under the fixed designation A 595; 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 5. Manufacture
1.1 This specification covers three grades of seam-welded, 5.1 Tube steel shall be hot-rolled aluminum-semikilled or
round, tapered steel tubes for structural use. Grades A and B are fine-grained killed sheet or plate manufactured by one or more
of low-carbon steel composition and Grade C is of weather- of the following processes: open-hearth, basic-oxygen, or
resistant steel composition. electric-furnace.
1.2 This tubing is produced in welded sizes in a range of 5.2 Tubes shall be made from trapezoidal sheet or plate that
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diameters from 2 ⁄8 to 30 in. (63.5 to 762.0 mm) inclusive. Wall is preformed and then seam welded. Tubes shall be brought to
thicknesses range from 0.1046 to 0.375 in. (2.66 to 9.53 mm). final size and properties by roll compressing cold on a
Tapers are subject to agreement with the manufacturer. hardened mandrel.
1.3 The values stated in inch-pound units are to be regarded
6. Chemical Composition
as the standard.
6.1 Steel shall conform to the requirements for chemical
2. Referenced Documents
composition as prescribed in Table 1 and chemical analysis
2.1 ASTM Standards: shall be in accordance with Test Methods, Practices, and
A 370 Test Methods and Definitions for Mechanical Testing Terminology A 751.
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of Steel Products 6.2 For Grade C material, the atmospheric corrosion-
A 588/A588M Specification for High-Strength Low-Alloy resistance index, calculated on the basis of the chemical
Structural Steel with 50 ksi (345 MPa) Minimum Yield composition of the steel, as described in Guide G 101, shall be
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Point to 4 in. (100 mm) Thick 6.0 or higher.
A 606 Specification for Steel, Sheet and Strip, High-
NOTE 1—The user is cautioned that the Guide G 101 predictive
Strength, Low-Alloy, Hot-Rolled and Cold-Rolled, with
equation for calculation of an atmospheric corrosion-resistance index has
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Improved Atmospheric Corrosion Resistance
been verified only for the composition limits stated in that guide.
A 751 Test Methods, Practices, and Terminology for
6.3 When required by the purchase order, the manufacturer
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Chemical Analysis of Steel Products
shall supply guidance concerning corrosion resistance that is
G 101 Guide for Estimating the Atmospheric Corrosion
satisfactory to the purchaser.
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Resistance of Low-Alloy Steels
7. Mechanical Properties
3. Ordering Information
7.1 Tension Test:
3.1 The inquiry and order should indicate the following:
7.1.1 Requirements—The material as represented by the test
3.1.1 Large and small diameters (in.), length (ft), wall
specimens shall conform to the requirements as to tensile
thickness (in.), and taper (in./ft);
properties as prescribed in Table 2.
3.1.2 (see Table 1 and Table 2);
7.1.2 Number of Tests—Two tension tests shall be made
3.1.3 Extra test material requirements, if any; and
from each sample. One sample for testing shall be taken from
3.1.4 Supplementary requirements, if any.
the large end of one tube on each 100, or fewer, tubes in each
thickness class as defined in Table 3.
4. General Requirements for Delivery
7.1.3 Test Locations and Orientations— Samples shall be
4.1 Required date of shipment or date of receipt, and
taken at least 1 in. (25 mm) from the longitudinal seam weld.
4.2 Special shipping instructions, if any.
7.1.4 Test Method:
7.1.4.1 Tension tests shall be made in accordance with Test
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This specification is under the jurisdiction of ASTM Committee A-1 on Steel,
Methods and Definitions A 370. The yield strength correspond-
Stainless Steel, and Related Alloys, and is the direct responsibility of Subcommittee
ing to a permanent offset of 0.2 % of the gage length of the
A01.09 on Carbon Steel Tubular Products.
specimen or to a total extension of 0.5% of the gage length
Current edition approved Sept. 10, 1998 and March 1999. Published October
1997. Originally published as A 595 – 69. Last previous edition A 595 – 97.
under load shall be determined in accordance with Test
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Annual Book of ASTM Standards, Vol 01.03.
Methods and Definitions A 370.
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Annual Book of ASTM Standards, Vol 01.04.
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7.1.4.2 The ultimate tensile strength shall be determined in
Annual Book of ASTM Standards, Vol 03.02.
1

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