We offer a wide range of long & short stub end as per the following specifications:- grades:- 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 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 size - 18" nb to 48" nb (seamless & welded) wall thickness -sch.5s to