We are offering forged steel pipe nipple.Name nipple wall thickness sch40ch80sch160xxs size 12"-4" material a.carbon steel astm a105 astm a350 lf2 astm a694 f4252606570 b.alloy steel astm a182 f59112291 c.stainless steel astm a182 f304304l316316l321 astm a182 f51 standard ansiasme b16.11, mss, jis, bs, gb, etc. Surface stainless steel: polishing, sand-blasting carbon steelalloy steel : black painting, varnish paint, anti rust oil, hot dip galvanized, electric galvanized, 3pe, etc. Certificate iso9001, ped. yuansheng pipe fittings is a full-service distributor of pipe fittings. Our ranges of products includes seamless & butt weld fittings. Forged fittings and flanges available in a very wide range of material grades for energy and chemical industries. These products are made from the best quality raw materials like stainless steel, carbon steel, alloy steel, etc. To find out more or to check our products lines and inventory, please call or email us today!!!! location: room 2003 , kerren international mansion , liaoning street, development zone , dalian city