We offer to our clients a wide range of precision finished Butt weld fittings made from superior quality raw material.(http://www.stainless-pipe-fitting.com) Our company offers them in carbon steel. The technical descriptions of our butt weld end fittings are: Standard: ASTM / ASME A/SA 234 / 860 Grade: WPB, WPC, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 ; WPHY 70. Standard: ASTM / ASME A/SA 234 ? Grade: WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 23, WP 91.