Stainless steel:astm a182 f304/ 304l/ 304h/ 316/ 316l/ 317/ 317l/ 321/ 310/ 347/ 904l Etc. Carbon steel:astm a105/ a694 f42/ 46/52/56/60/65/ 70/a350 lf3/ A350lf2, etc. Alloy steel:astm a182 f1/f5/f9/f11/f22/f91 Etc. Others: monel, nickel, inconel, hastalloy, Copper, brass, bronze, titanium, Tantalum, bismuth, aluminium, high Speed steel, zinc, lead. Type:weldneck, slipon, bind, socket weld, Lap joint, spectacles, ring, joint, Oriface, long weldneck, deck Flange, etc. Size:1/2'' nb to 24'' nb. Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases.All fittings are marked with grade, lot no, size. On special request we can also make custom marking on our products.