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ASTM A475-22
Standard Specification for Metallic-Coated Steel Wire Strand
NORMA vydaná dňa 1.4.2022
Informácie o norme:
Označenie normy: ASTM A475-22
Dátum vydania normy: 1.4.2022
Kód tovaru: NS-1054453
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Kategórie - podobné normy:
Anotácia textu normy ASTM A475-22 :
This specification covers five grades of zinc-coated, steel wire strand, composed of a number of round, steel wires, with four weights of zinc coatings, suitable for use as guys, messengers, span wires, and for similar purposes. The five grades covered are as follows: utilities, common, Siemens-Martin, high-strength, and extra high-strength. The base metal shall be steel made by any commercially accepted steel making process and of such quality and purity that, when drawn to the size of wire specified and coated with zinc, the finished strand and the individual wires shall be of uniform quality and have the properties and characteristics as prescribed in this specification. Strands shall have a left lay and all wires shall be stranded with uniform tension and be sufficiently close. The finished strand shall meet the requirements according to the specified approximate weight per unit length of strand against minimum breaking strength, elongation, and ductility of steel. The zinc-coated wire shall be capable of being wrapped in a close helix without cracking or delaminating the zinc coating. Joints in the wires composing the strand shall be either the brazed-lap type or electric-butt-welded type shall be coated with zinc after completion so that the joints have protection from corrosion equivalent to that of the zinc-coated wire itself.
Keywords:
steel wire strand, wire, zinc/aluminum alloy coated steel wire strand, zinc-coated steel wire strand,, ICS Number Code 29.060.10 (Wires)
Doplňujúce informácie
| 1. Scope | ||||||
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1.1?This specification covers five grades of metallic-coated, steel wire strand, composed of a number of round, steel wires, with four weights of metallic coatings, and four types of metallic coatings, suitable for use as guys, messengers, span wires, and for similar purposes. 1.2?The five grades covered are as follows: 1.2.1?Utilities, 1.2.2?Common, 1.2.3?Siemens-Martin, 1.2.4?High-Strength, and 1.2.5?Extra High-Strength. 1.2.6?Minimum breaking strengths of strand for each grade are described in Section 7. 1.3?The four weights of metallic coatings are: Class 1 and Classes A, B, and C. Minimum weights of metallic coatings are described in Section 10. 1.4?The four types of metallic coatings are type 1, 2, 5, and 10 as defined in Section 3. 1.5?UnitsThe values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. 1.6?This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7?This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
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| 2. Referenced Documents | ||||||
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