Standard specification for common requirements for steel flanges, forged fittings,valves,and parts for piping applications / 
ASTM 
 - 1a. ed 
 - Pensilvania:  ASTM,  2016 
 - 9p.:  il 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NORMAS TÉCNICAS<br/>TUBERÍAS<br/>A961/A961M--2016
<br/><br/><label>Dewey Class. No.: </label>NT ASTM A961/A961M-16