RockySea Petro Polished RodRockySea Petro can supply polished rods which comply with intl standard. They are manufactured through many processes including the testing, straightening and forging. Polished rods are made of high quality carbon steel and alloy steeldue to customer request. Ourpolished rods are exported to the United States, Canada, Europe, Africa and Middle East, and we establish cooperative relationships with international customers all over the world.Description The polished rod is a sp
VIEW DETAILSSanajck Swabbing TruckData sheetFeature 1.The swabbing truck has the advantages of continuous and reliable operation, convenient parameter adjustment, high drainage efficiency, and simple handling and installation. It solves the problems of discontinuous swabbing and drainage operation, low drainage efficiency, and cumbersome equipment handling,compared with existing drainage technologies. 2.Through on-site testing, the feasibility and reliability of the on-site application of
VIEW DETAILSRockySea Petro Eccentric Rotating Wellhead & X-Mas TreeFull support on your customised requirementThe strictest quality standards on Eccentric rotating wellhead and X-mas tree25 years Eccentric rotating wellhead and X-mas tree manufacturing experienceRockySea Petro Petro manufactures Eccentric rotating wellhead and X-mas tree in China. We have our own factory ofEccentric rotating wellhead and X-mas tree. RockySea Petro Petro provide the high quality and competitive price on Eccentric rotating wellhead and X-mas tree
VIEW DETAILSRockySea Petro Offshore Wellhead And X-Mas TreeAccording to the production needs, the main channel can be equipped with rubber valves for progressing cavity pump oil recovery.The main channel is equipped with a liquid-controlled safety valve to remotely close the wellhead in case of emergency.The main valve and paraffin valve of christmas tree adopt the combined structure, the overall height is low.RockySea Petro’s offshore oil wellhead meets the requirements of offshore oil and gas recovery. Because of
VIEW DETAILSRockySea Petro Desulfurization And Denitrification Oilfield Steam BoilerThe utilization rate of lime can be improved and the cost of desulfurization can be saved by adopting the integration of desulfurization and dust removal.The regeneration of absorbent, desulfurization slag and precipitation are carried out outside the tower, which reduces the possibility of scaling in the tower.With NaOH desulfurizer, the circulating solution is basically NaOH aqueous solution, and there is no corrosion and blockag
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Grade | Tensile strength MPa | Yield strength MPa | Percentage elongation % | Contraction percentage of area % | |
C | 620 – 795 | ≥ 415 | ≥ 13 | ≥ 50 | |
K | 620 – 795 | ≥ 415 | ≥ 13 | ≥ 60 | |
D | 795 – 965 | ≥ 590 | ≥ 10 | ≥ 50 | |
KD | 795 – 965 | ≥ 590 | ≥ 10 | ≥ 50 |
OD range | Yield strength | Tensile strength | Elongation | Hardness | Charpy impact energy | |
mm | in | MPa | MPa | % | HB | J |
79.4~171.4 | 3 1/8~6 3/4 | ≥758 | ≥827 | ≥18 | NA | NA |
177.8~279.4 | 7~11 | ≥689 | ≥758 | ≥20 | NA | NA |
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