ASTM A501/A501M-21

Podrobné informácie

Označenie: ASTM A501/A501M-21

Dátum vydania: 01.08.2021

Stránok: 6

Krajina: Americká technická norma

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Anotácia

This specification covers black and hot-dipped galvanized hot-formed welded and seamless carbon steel square, round, rectangular, or special shape structural tubing for welded, riveted, or bolted construction or bridges and buildings, and for general structural purposes. Special shape and dimensions of tubing are permitted to be furnished provided that such tubing comply with all other requirements of this specification. Test specimens shall be in accordance with other ASTM documents enlisted herein. The tubing shall be manufactured either by seamless, furnace-butt welding (continuous welding), electric-resistance welding or submerged arc welding. Testing of the sample specimens shall include one tension test from a length of each of the tubing representing each lot. If any lot fails the mechanical test, it shall be rejected or retested using additional tubing of double the original number from the lot. The lot shall be acceptable if the results of all such retests conform to the specified requirements.


Keywords:
steel tube, structural steel tubing,, ICS Number Code 23.040.10 (Iron and steel pipes),23.040.40 (Metal fittings)