6" x 4-1/2" S/40 Black ERW Nipple Swivel Elbows 11 Forged stainless union conform

11   Forged stainless union conform to MSS SP-83   Forged stainless outlets conform to MSS SP-97   Forged stainless socket weld Inserts conform to MSS SP-79   Manufacturing facility is ISO 9001:2008

11   NPT threads conform to ASME B1

1   Cast iron fittings have SCI Trademark and are 100% air tested   Manufacturing facility is ISO 9001:2008 and ISO 14001

material:   Black Malleable Iron connection:   Threaded Thread Type:   One Male & One Female Features:   Meets or exceeds all applicable ASTM and ANSI standards   100% pressure tested before leaving the factory

From this iron

6" x 4-1/2" S/40 Black ERW Nipple Swivel Elbows 11 Forged stainless union conformmaterial: Black Steel connection: Threaded Thread Type: Male Features: Meets or exceeds all applicable ASTM and ANSI standards Made in The U. S. A.