5" x 5" S/40 Black ERW Nipple Soil Pipe Adapters Iron samples are continuously analyzed

Iron samples are continuously analyzed using spectroscopy to conform the material quality

9 (except Wall) and MSS SP-43   Manufacturing facility is ISO 9001:2008   Independent lab verification that fittings meet applicable chemical & mechanical properties

Coatings of Orange Paint or Hot Dipped Galvanized Conforming to ASTM A153

In addition

This feature also protects the fitting threads from damage during handling

5" x 5" S/40 Black ERW Nipple Soil Pipe Adapters Iron samples are continuously analyzedmaterial: Black Steel connection: Threaded Thread Type: Male Features: Meets or exceeds all applicable ASTM and ANSI standards Made in The U. S. A.