Durban İstemcisi için ASTM A106 Boru

ASTM A106 covers karbon çelik boru yüksek sıcaklık hizmet için. These pipes are suitable for welding, bükme, Flanging, ve benzer şekillendirme işlemleri. Mechanical testing of the specimens shall include tensile, bükme, düzleştirme, hydrostatic and nondestructive electric tests. Specimens undergoing bending tests shall consist of sections cut from a pipe. For flattening tests, the specimens shall be smooth on the ends and burr-free, except when made on crop ends. All tests shall be performed in room temperature. If any test specimen shows flaws it can be discarded and substituted for another test specimen. Before testing, if a specimen has scribe scratches, a retest shall be allowed. A retest shall also be allowed if a specimen breaks in an inside or outside surface flaw.