... 3, Painted: varnish, antirust oil Detailed Product Description1, Products: straight tee, reducing tee2, Thickness: SCH20, SGP, STD, SCH40, XS, SCH80, SCH160 ... " 4, Material: carbon steel, alloy steel, stainless steel5, Packing: wooden cases, wooden pallets, cartons6, Standard: I ASTM A234 MSS SP-75 ASME ... 2617 III JIS B2311 JIS B2312 JIS B2313PRODUCTION PROCESS: reducing tee