... Certs: ISO9001, API, CE, Quick Details Material: Carbon Steel Technics: Forged Type: TeePlace of Origin: Hebei China (Mainland) Model Number ... ISO9001, API, CE Standards: ANSI, DIN, JIS Material: carbon steel (seam & seamless)Painted: black, varnish, antirust oilPackaging & ... , Dimension: 1/2" to 72"4, Material: carbon steel, alloy steel, stainless steel5, Packing: wooden cases, wooden pallets, ...