Stainles steel: aisi 304, 304l, 304h, 304n, 304ln, 309s, 309h, 309cb, 309 hcb, 310s, 310h, 31ac0cb, 310 h c b 316, 316l, 316h, 316n, 316ln, 317, 317l, 321, 321h, 347, 347h, 347ln, 348, 348h, 904, 904l etc. ? duplex steel duplex 2205 uns s31803/s32205 astm a182 f-51 318ln din 1.4462 saf2205 sa182 f51 ? super duplex steel super duplex 2507 uns s32750 f53 astm a182 f-53 saf2507 sa182 f53 din 1.4410 ? nickel alloys: uns no. 2200, 2201, 4400, 6600, 6025, 6045, 8800, 8810, 8811, 8330, 8825, 8020, 8925, 8926, 8367,10001, 10665, 10629, 10675, 10276, 6455, 6022, 6007, 6985, 6030, 10003, 6002, 6625, 6230, 30556, 6059, 8031. ? copper: dhp grade: astm b 68, b 75, b 88, b 111, b 280, en 1057, bs 2871 etp grade: is 191, is 2501, is 440 ??"?"in shapes of the followings?"?"? *****as per the national & international standard & specifications. ***** ? butt weld pipe fittings: butt-weld seamless & welded fittings in shape of long radius elbow, reducing elbow, return elbow, straight & reducing tee, crosses, lap joint stub end, caps, reducers, insert etc. ? forged pipe fittings: forged socket weld & screwed fittings in shape of elbow, tee, union, cross, coupling, half coupling, cap, bush, plug, swage nipple, welding boss, hexagon nipple, weldolets, sockolets, threadolets, nipolets, letrolets, & as per your drawing. ? flanges: slip on, weld neck, blind, lap joint, spectacle, socket weld, threaded, ring joint, oriface, tongue & groove etc. ? fasteners: nuts , socket screws , washers , bolts , anchor fasteners , wedge anchor , eye bolt , stud bolts , stud, threaded rod , cotter pin ,fine fasteners & spares , foundation fasteners etc. ? pipes, tubes, sheets, plates,flats, round bar, angle, channel, tube fittings, etc