Butt Weld Reducing Tee are available as per the following specifications:- Size 1/8 NB TO 48 NB (seamless & welded) Wall thickness -Sch.5S to Sch:XXS. Grades Offered :- Stainless Steel ASTM, A403, WP304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L Carbon Steel ASTM, A234, WPB / A420, WPL3 / A420, WPL6 / MSS-SP-75, WPHY 42 / 46 / 52 / 56 / 60 / 65 / 70 â?¢ Alloy Steel ASTM A234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91 Other Metals offered for making butt weld pipe fittings : Monel, Nickle, Inconel, Hastalloy, Copper, Brass, Titanium.