API Steel Casing Pipe for Oilfield and Water Drilling Shandong Beyond Petroleum Equipment Co., Ltd. After-sales Service:Online, EngineerWarranty:at Least 1 YearManufacturing Process:ForgingSurface Treatment:Spray-PaintOperation Pressure:Atmospheric PressureMaterial:Stainless Steel Base Info Model NO.:casingout Diameter:4 1,2"- 20" (114.3mm-508mmThread:Ltc, Stc, BtcSteel Grade:H-40, J55, K-55, N-80, L-80Length:R1(4.88-7.62m), R2(7.62-10.36m)Transport Package:Export PackingTrademark:BEYONDOrigin:ChinaHS Code:8431431000Production Capacity:20000sets,Year Description Overview Product DescriptionProduct ParametersCertificationsCompany ProfilePackaging & ShippingOur AdvantagesFAQ Pre:Bw and F Series Mud Water Well Pump for Drilling Oil Using in Good Price Next:API High Pressure Drilling Mud Pumps for Petroleum Made in China