Product Name: Oil TubingStandard: API5CT Outside Diameter: 26.67mm-114.3mmSpecification: 1.05inch-4 1/2inchSteel Grade: H40/J55/K55/N8/L80/P110Thread Type: STC/ BTC/LTC/VAMLength: R1/R2/R3Upset: EU,NU

Product Name: Oil CasingStandard: API5CT Outside Diameter: 114.3mm-508mm Specification: 4 1/2inch- 20inch Steel Grade: H40/J55/K55/N8/L80/P110 Thread Type: STC/ BTC/LTC/VAM Length: R1/ R2/R3 Usage: used for conveying oil,water and pe

casting steel ball:High chrome aolly cast grinding balla)Specification: 25-130mm b)Hardness:High Cr: HRC 57-66 c) Characteristics:1) High hardness,2)Good wear-resistance,3)Low breakage,4)Low wear rate d) Chemical compositionHigh Cr: C:2.0-3.2, Si: ≤

Low Chrome cast iron grinding ballschemical Elements (%): C:2.2~3.0 Mn: 0.50-1.50; Cr: 1.5-3.0; Si: 1.2Max; P: 0.08 Max, S:0.06 Max;Middle chrome cast iron ballsChemical Elements (%):C:2.1~3.20 Mn: 0.50-1.50; Cr: 5.0-10.0; Si: 1.2 Max; P: 0.08 Max,S:0.06M

1. Environmental protectionWith raw material non-toxicity, it will not influence to user. 2.Saving mine resourceIt is made by regenerated resin or regenerated plastic raw material, which save application of cast iron. 3.LongevityAcid-alkali an

1. Environmental protectionWith raw material non-toxicity, it will not influence to user. 2.Saving mine resourceIt is made by regenerated resin or regenerated plastic raw material, which save application of cast iron. 3.LongevityAcid-alkali an

1. Environmental protectionWith raw material non-toxicity, it will not influence to user. 2.Saving mine resourceIt is made by regenerated resin or regenerated plastic raw material, which save application of cast iron. 3.LongevityAcid-alkali an

1. Environmental protectionWith raw material non-toxicity, it will not influence to user. 2.Saving mine resourceIt is made by regenerated resin or regenerated plastic raw material, which save application of cast iron. 3.LongevityAcid-alkali an

1. Environmental protectionWith raw material non-toxicity, it will not influence to user. 2.Saving mine resourceIt is made by regenerated resin or regenerated plastic raw material, which save application of cast iron. 3.LongevityAcid-alkali an

1. Environmental protectionWith raw material non-toxicity, it will not influence to user. 2.Saving mine resourceIt is made by regenerated resin or regenerated plastic raw material, which save application of cast iron. 3.LongevityAcid-alkali an