We offer stainless steel Butt weld fittings in different shapes and sizes.(http://www.stainless-pipe-fitting.com) All are manufactured from superior quality stainless steel. Diversified shapes of butt welded pipe fittings that we offer are long radius Elbow, return elbow, reducing elbow, straight ; reducing Tee, crosses, lap joint stub end, caps etc. These types of pipe fittings are mainly used in underground and concealed fittings. Standard: ASTM / ASME A/SA 403 GR WP ; / Grade: 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L.