resumen esencial

BS1369.1-1987

ASTM A307 (2000)

ASTM E 125 Reference Photographs for MPT Indications on Ferrous Castings

Minimum Thickness for Repaired Girth Wels in Corrode Pipe

BS1186.2-1988

Usas b16.3 Unfired Pess Vessels Flange Dimensions

BS EN 10025