8.金刚石岩芯钻探用无缝钢管(GB3423-82)是用于金刚石岩芯钻探

8 diamond core drilling seamless pipe (GB3423-82) is a drill, core rods for diamond core drilling, the seamless steel pipe casing. <br>9. The oil drilling pipe (YB528-65) for oil drilling the ends of thickening or external upset seamless steel pipe. Steel sub-threading and not threading two, Threading Pipe Fittings links, no threading methods and tools useful butt joint connection. <br>10. The ship carbon steel seamless manufactured Class I pressure vessels piping, Ⅱ grade pressure piping, boilers, and overheating of the carbon steel seamless pipe. Carbon steel seamless pipe wall temperature does not exceed 450 ℃, alloy steel seamless pipe wall temperature exceeds 450 ℃. <br>11. The automobile axle casing is used for producing automobile axle casing and the drive axle axle shaft tubes of quality carbon steel and alloy hot-rolled seamless steel. <br>12. The diesel engine with high pressure injection system is to create a high-pressure pipe of a diesel engine cold drawn seamless steel tube. <br>13. The hydraulic and pneumatic cylinder with precision the manufacture of hydraulic and drawn or rolled precision seamless diameter size with precision pneumatic cylinder with. <br>14. drawn or rolled precision seamless high dimensional accuracy for the mechanical structure, hydraulic equipment and good surface finish cold drawn or rolled precision seamless. Use a precision seamless steel pipe manufacturing mechanical structure or hydraulic equipment, can greatly reduce the machining time, improve material utilization, and help to improve the product quality. <br>15. The structure of stainless steel seamless pipe (GB / T14975-2002) is widely used for hot rolling made of a corrosion-resistant pipes and structural parts and components of the chemical, oil, textile, medical, food, machinery and other industrial stainless steel ( extrusion, expansion) and cold drawn (rolled) seamless steel pipe. <br>16. A fluid is hot-rolled stainless steel seamless pipe for transporting fluid made of stainless steel (extrusion, expansion) and cold drawn (rolled) seamless steel pipe. <br>17. In addition to shaped seamless steel pipe is a seamless steel pipe of other cross-sectional shape of the general term.

8. Seamless steel pipe (GB3423-82) for diamond core drilling is a seamless steel pipe for diamond core drilling, core rod and casing. <br>9. Oil drilling pipe (YB528-65) is a seamless steel pipe that is thickored or extra thick at both ends of oil drilling. Steel pipe division wire and not car wire two kinds, car wire tube with joint connection, not car wire pipe with welding method and tool joint connection.<br>10. Marine carbon steel seamless is the manufacture of ship I-class pressure-resistant pipe system, ii-class pressure-resistant pipe system, boiler and superheater for carbon steel seamless steel pipe. Carbon steel seamless steel pipe wall operating temperature does not exceed 450 degrees C, alloy steel seamless steel pipe wall operating temperature of more than 450 degrees C.<br>11. Automotive half-shaft casing is a high-quality carbon structure steel and alloy structure steel hot-rolled seamless steel pipe for the manufacture of automotive half-axial casing and drive bridge shell shaft tube.<br>12. High-pressure for diesel engines is a cold-pull seamless steel pipe for the manufacture of high-voltage tubes for diesel engine injection systems.<br>13. Hydraulic and pneumatic cylinder tube spree with precision is the manufacture of hydraulic and pneumatic cylinder tube with precision diameter size of cold-drawn or cold-rolled precision seamless steel pipe.<br>14. Cold pull or cold-rolled precision seamless steel pipe is used in mechanical structures, hydraulic equipment with high dimensional accuracy and good surface finish of cold pull or cold-rolled precision seamless steel pipe. The selection of precision seamless steel pipe manufacturing machinery structure or hydraulic equipment, can greatly save mechanical processing hours, improve material utilization, at the same time is conducive to improving product quality.<br>15. The structure of stainless steel seamless steel pipe (GB/T14975-2002) is widely used in chemical, petroleum, textile, medical, food, machinery and other industries of corrosion-resistant pipes and structural parts and parts of stainless steel made of hot-rolled (squeezing, expansion) and cold-drawn (rolling) seamless steel pipe.<br>16. The stainless steel seamless steel pipe for fluid transport is a hot-rolled (squeezing, expansion) and cold-pulled (rolled) seamless steel pipe made of stainless steel for the transport of fluid.<br>17. The special-shaped seamless steel pipe is the general name of the seamless steel pipe in a cross-sectional shape other than the round tube.

8. Seamless steel pipe for diamond core drilling (gb3423-82) is a seamless steel pipe for drill pipe, core rod and casing used for diamond core drilling.  <br>9. Oil drilling pipe (yb528-65) is a seamless steel pipe used for internal or external thickening at both ends of oil drilling. The steel pipe is divided into two types: Turning wire and non turning wire. The turning wire pipe is connected with joint, and the non turning wire pipe is connected with tool joint by butt welding.<br>10. Carbon steel seamless steel for ships is the carbon steel seamless steel pipe for manufacturing class I pressure pipe system, class II pressure pipe system, boiler and Superheater of ships. The working temperature of carbon steel seamless steel pipe wall shall not exceed 450 ℃, and that of alloy steel seamless steel pipe wall shall exceed 450 ℃.<br>11. The automobile axle sleeve pipe is a high-quality carbon structural steel and alloy structural steel hot-rolled seamless steel pipe for the manufacture of automobile axle sleeve and driving axle shell shaft pipe.<br>12. High pressure for diesel engine is a cold drawn seamless steel pipe for manufacturing high pressure pipe of diesel engine injection system.<br>13. Precision inner for hydraulic and pneumatic cylinder is a cold drawn or cold-rolled precision seamless steel pipe with precise inner diameter for manufacturing hydraulic and pneumatic cylinder.<br>14. Cold drawn or cold-rolled precision seamless steel pipe is a kind of cold drawn or cold-rolled precision seamless steel pipe with high dimensional accuracy and good surface finish for mechanical structure and hydraulic equipment. Choosing precise seamless steel tube to manufacture mechanical structure or hydraulic equipment can greatly save machining time, improve material utilization rate and improve product quality.<br>15. Stainless steel seamless steel pipe for structure (GB / T14975-2002) is a hot-rolled (extruded, expanded) and cold drawn (rolled) seamless steel pipe made of stainless steel, which is widely used in chemical, petroleum, textile, medical, food, machinery and other industries for corrosion-resistant pipes, structural parts and components.<br>16. Stainless steel seamless steel pipes for fluid transportation are hot-rolled (extruded, expanded) and cold drawn (rolled) seamless steel pipes made of stainless steel for fluid transportation.<br>17. Special shaped seamless steel pipe is the general term of seamless steel pipe with other cross-section shapes except round pipe.<br>