ASHTAPAD Overseas manufactures and supplies forged high pressure fittings, socket, weld & NPT. Material Type: Stainless Steel: ASTM A182 F304/ 304L/ 304H/ 316/ 316L/ 317/ 317L/ 321/ 310/ 347/ 904L/ etc. Carbon Steel: ASTM A105/ A105N/ A694 F42/46/52/56/60/65/70 / A350 LF3/ A350 LF2, etc. Alloy Steel: ASTM A182 F1/ F5/ F9/ F11/ F22/ F91/ etc. Others: Monel, nickel, inconel, has alloy, copper, brass, bronze, titanium, tantalum, bismuth, aluminum, high speed steel, zinc, lead, etc. Types: Elbow, tee, union, cross, coupling, cap, bushing , plug, swage nipple, welding boss, hexagon nipple, barrel nipple, welding nipple, parallel nipple, street elbow, hexagon nut, hose nipple, bend, adapter, insert, cross, weld let, elbowed, sock let, thredolet, nipolet, letrolet, etc. Size: 1/8" NB TO 4" NB. (socket weld & threaded) Class: 150#, 3000#, 6000#, 9000#.