Wherever outstanding appearance, low maintenance and high strength are the requirements, Independence Tube ASTM A Weathering Structural Steel. ASTM A High strength low alloy steel pipe and tube spec for weathering steel. Specification for HSLA steel with increased atmospheric corrosion resistance. Marc Steel is a known ASTM A Corten Steel Pipes supplier in the industry. With tensile and yield strength, ASTM A Corten Weathering.
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With the additional elements such as those noted above, the added strength of the steel itself allows for a lighter wall thickness of steel to be used than for carbon steel tubing in order to meet structural physical requirements.
Referenced Documents purchase a84 The documents listed below are referenced within the subject a8477 but are not provided as part of the standard. A number in parentheses indicates the year of last reapproval. Historical Version s – view previous versions of standard.
ASTM A | a steel
NOTE 2-For methods of estimating the atmospheric corrosion resistance fo low alloy steels see Guide G or actual data. According to ASTM A, the weld seam location for square, satm and other special shaped tubing shall not be located within the corner radius unless specified by the customer or manufacturer. When this steel is used in welded construction.
AApplies to specified wall thicknesses 0. Tubing having other dimen-sions may be furnished provided such tubing complies with all other requirements of this specification.
ASTM A847 Pipes Manufacturer
Tubing having other dimensions may be furnished asgm such tubing complies with all other requirements of this specification. Under ASTM A, the corner radius for square and rectangular tubing shall not exceed three times s847 corner radius. If flash control is required, please specify at time of quotation or order placement. As a standard under ASTM A, electric resistance welded tubing is normally provided without removal of inside flash.
When properly exposed to the atmosphere, this steel can be used bare unpainted for many applications.
BIf chromium and silicon contents are each 0. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Chemical composition Grade Mfg. Combining values from the two systems may result in non-conformance with the standard. Note 2 — For methods of estimating the atmospheric corrosion resistance of low alloy steels, see Guide G or actual data.
This specification covers standard requirements for cold-formed welded and seamless high-strength, low-alloy round, square, rectangular, or special shaped structural tubing for welded, riveted, or bolted construction of bridges and buildings and for general structural purposes where high strength and enhanced atmospheric corrosion resistance are required.
When this steel is used in welded construction, the welding adtm shall be suitable for the steel and the intended service. NOTE 1-Products manufactured to this specification may not ashm suitable for those applications where low temperature notch toughness properties may be important, such as dynamically loaded elements in welded stuctures, etc.
This abstract is a brief summary of the referenced standard.
ATolerances include allowance for convexity or concavity. It is not required however for squares and rectangles or other shapes under A Length tolerance for structural tubing shall be in accordance with the specified values. This standard is issued under the fixed designation A ; the number immediately following the designation indicates the year of original awtm or, in the case of revision, the year of last revision.
Note 1 — Products manufactured to this specification may not be suitable for those applications where low temperature notch toughness properties may be important, such as dynamically loaded elements in welded structures, etc. For a complete listing of all tubing sizes aztm by Valmont, please visit our Steel Tubing Product Astmm. Twist tolerances for square and rectangular structural tubing shall be indicated. The atmospheric corrosion resistance of this steel in most environments is substantially better than carbon steel with or without copper addition Note 2.
Commonly referred to as weathering steel, ASTM A Type 4 high strength, low alloy HSLA steel utilizes elements such as copper, chromium, nickel and silicon to enhance the protection and resistance to atmospheric corrosion.
Round and shaped tubing shall meet the required tensile properties such as tensile strength, yield strength, and elongation. For rectangular sections, the tolerance calculated for the larger flat dimension shall also apply to the smaller flat dimension.
Please contact one of our knowledgeable sales staff members who will assist you z847 any further questions regarding this specification or with your specific 8a47 requirements. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. Link ashm Active This link will always route to the current Active version of the standard. Within the text, the SI units are shown in brackets. Heat and product aztm shall be performed wherein steel materials shall conform to the required chemical composition for carbon, manganese, phosphorus, sulphur, and copper.
Outside dimension tolerances for square and rectangular tubing shall not exceed the specified plus and minus tolerances. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
ABecause of the degree to which phosphorus segregates, roduct analysis for this element is not technologically appropriate for rephosphorized steels unless misapplication is clearly indicated. When asstm exposed to the atmosphere, this steel can be used bare unpainted for many applications.
For lighter wall thicknesses, elongation will be by agreement. The atmospheric corrosion resistance aastm this steel in most envi-ronments is substantially better than carbon steel with or without copper addition Note 2.