Specifications butt welded forging CS BW pipe CON reducer ansi b16.9 1.1/2-72" 2.sch20--sch160 3.asme b 16.9 for oil and gas butt welded forging CS BW pipe CON reducer ansi b16.9 1.wall thickness: sch20--sch160 xxs or according to customers' requirement 2. siae: :1/2--72" 3.material: :carbon steel,a234 wpb,a105,a106,a53,a192,a315-B,a283-D. 4.standar: :JIS DIN GB ASTM ANSI API-5L kinds: : concentric , econcentric 5.packing :wooded cases or as customers requiry 6.surface treatment: black rust-proof oil, transparent oil , hot alvanizing 7.certification:ISO9001:2000 ,API.CCS.We have biggest pipe fittings production equipment in China 8.note:The bevel can be made according to the special requirment of the customers 9.Surface treatment:Shot blasted.rust-proof black oil 10.Range of application:Chemical industry.petroleum industry.construction industry.domestic installation and other email:lily@tobo-group.com