منتديات اصحاب كول 2014  

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العودة   منتديات اصحاب كول 2014 > ===> قسم البلوتوث وبرامج والعاب الموبايل<=== > مقاطع بلوتوث مضحكة جديدة للموبايل-مقاطع بلوتوث للجوال

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  #1  
قديم 11-20-2009, 10:24 PM
Fish Black Fish Black غير متصل
كول ذهبى
 
تاريخ التسجيل: Sep 2009
المشاركات: 492
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رد باقتباس
  #2  
قديم 01-09-2010, 03:50 PM
طاطا كوكو طاطا كوكو غير متصل
كول لسه طازه
 
تاريخ التسجيل: Sep 2009
المشاركات: 4
افتراضي رد: حركة فنية اكثر من رائعة بكرة القدم

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رد باقتباس
  #3  
قديم 01-14-2010, 02:15 AM
jackcngo jackcngo غير متصل
كول لسه طازه
 
تاريخ التسجيل: Dec 2009
المشاركات: 2
My work Steel Pipe

I worked for more than a year working knowledge of the following is my hope that you all have a right to help and want to you friends, msn: steelpipecn@hotmail.com 1. Low-voltage transmission fluid Galvanized Welded Steel Pipe (GB/T3091-1993), also known as galvanized welded steel pipe, commonly known as white tube. Is used for conveying water, gas, air-oil and heating steam, heated the general low-pressure fluid or other uses of hot-dip galvanized welding (furnace brazed or welded) steel pipes. Then divided into ordinary galvanized steel pipe wall thickness, and thicker galvanized steel pipe; take over the end of the form is divided into non-threaded galvanized steel pipe and galvanized steel pipe with a screw. Steel pipe with nominal diameter size (mm) indicated that the nominal diameter is the diameter of the approximation. Customarily used in. said that if 11 / 2 and so on. 2 ordinary carbon steel wire pipe (GB3640-88) is the industrial and civil construction, installation of machinery and equipment such as electrical installation works for the protection of the steel wires. 3. Straight seam welded steel pipe (YB242-63) is parallel to the longitudinal weld steel pipe with steel pipe. Metric system is usually divided into welded steel pipe, welded thin-walled tube, transformer cooling oil pipe and so on. 4. Pressure fluid transport with spiral submerged arc welded pipe (SY5036-83) is a hot-rolled steel strip for tube volumes, often warm spiral shape, with double-sided submerged arc welding method for the pressure fluid conveying screw Steel Pipe. Pipe pressure capability, welding performance is good, through a variety of rigorous scientific examination and testing, the use of safe and reliable. Large diameter steel pipes, transmission efficiency, and can save the laying of pipeline investments. Is mainly used for transport of oil and gas pipelines. 5. Pressure fluid transport with spiral seam high frequency welded pipe (SY5038-83) is a hot-rolled steel strip for tube volumes, often warm spiral shape, using high frequency welding of lap welding method for the pressure fluid delivered spiral seam high frequency welded steel pipe. Pipe pressure capability, good plasticity, easy to welding and machining molding; through a variety of strict and scientific examination and testing, the use of safe, reliable, large diameter steel pipes, transmission efficiency, and can save the laying of pipeline investments. Is mainly used for the laying of transmission oil and natural gas pipeline. 7. The general low pressure fluid delivery with spiral seam high frequency welded pipe (SY5039-83) is a hot-rolled steel strip for tube volumes, often warm spiral shape, using high frequency welding lap welding method used for general low-pressure fluid delivery with spiral seam high-frequency welding steel pipe. 8. Pile with spiral weld pipe (SY5040-83) is a hot-rolled steel strip for tube volumes, often warm spiral shape, using double-sided submerged arc welding or high frequency welding made of, for civil engineering structures, piers, bridges, etc. foundation pile with steel pipes. 2, seamless steel pipe standards Is a kind of hollow cross-section, neighboring joints of steel strips. Steel has a hollow cross-section, a large number of channels used for conveying fluids, such as the transportation of oil, natural gas, gas, water and some solid materials, pipes and so on. Solid steel pipe and round bar, etc., compared with the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture structural parts and mechanical parts, such as oil drill pipe, automotive drive shafts, bicycle frame as well as the construction using steel scaffolding. Steel Pipe Manufacturing circular parts, can improve material utilization, simplify the manufacturing process, saving materials and processing man-hours, such as the rolling bearing rings, jack sets and so on, has been widely used to make steel. Pipe or a wide range of conventional weapons are indispensable materials, barrel, barrel would have to steel to manufacture. Pipe according to the different shape of cross-sectional area can be divided into tube and Rectangular pipe. Since under the conditions of equal perimeter, round the largest area, with a circular tube can be more fluid delivery. In addition, the ring cross-section to withstand internal or external radial pressure, force a more even, so the vast majority of pipe is pipe. However, the pipe also has certain limitations, such as by plane bending conditions, the pipe on the better side, rectangular tube bending strength, a number of farm machinery skeleton, steel and wood furniture, etc. on the commonly used square, rectangular tube. According to different purposes need to have other shaped cross-section shape steel. 1. Structural Seamless Steel Tube (GB/T8162-1999) is used for general structure and mechanical structure of the seamless steel pipe. 2. Fluid transport seamless steel pipes (GB/T8163-1999) is used for conveying water, oil, gas and other fluids in general seamless steel pipe. 3. Low and medium pressure boiler seamless pipe (GB3087-1999) is used to manufacture various structural low and medium pressure boiler superheated steam pipes, boiling water pipe and superheated steam locomotive boiler pipes, opium pipe, small pipe and brick arch tubes of high-quality carbon structural steel hot-rolled and cold-drawn (rolled) seamless steel pipe. 4. High-pressure boiler seamless pipe (GB5310-1995) is used to manufacture high-voltage and over pressure water tube boiler heating surface with high-quality carbon steel, alloy steel and heat-resistant stainless steel seamless steel tubes. 5. Fertilizer equipment, high-pressure seamless pipe (GB6479-2000) is applicable in the working temperature of -40 ~ 400 ?, working pressure of 10 ~ 30Ma of chemical equipment and pipeline of high quality carbon structural steel and alloy steel seamless steel tubes. 6. Petroleum cracking with seamless pipe (GB9948-88) is applicable in the oil refinery furnace tubes, heat exchangers and pipe seamless steel pipe. 7. Geological Drilling Pipe (YB235-70) is for the use of the geological department of the steel core drilling, according to use can be divided into the drill pipe, drill collar, core pipe, casing and sedimentation tubes. 8. Diamond core drilling seamless pipe (GB3423-82) is used for diamond core drilling drill, core rod, seamless steel pipe casing. 9. Oil drilling pipe (YB528-65) is used for oil drilling inside the thickening or outside at both ends of the seamless steel pipe thick. Steel Sub-threading and non-silk two kinds of vehicles, vehicle fittings connecting wire tubes, non-threading tubes butt welding methods and tools for connecting joints. 10. Ship with steel seamless pipe (GB5213-85) is to create the ship I-level pressure piping systems, ? grade pressure piping systems, boilers, and overheating Used for carbon steel seamless pipe. Carbon steel seamless pipe wall temperature does not exceed 450 ?, alloy steel seamless pipe wall temperatures in excess of 450 ?. 11. Automotive half-shaft casing seamless pipe (GB3088-82) is the manufacture of automobile axle casing and drive shaft tubes Bridge shell quality carbon structural steel and alloy steel hot-rolled seamless steel tubes. 12. Diesel engine with high-pressure oil pipe (GB3093-2002) is to create high-pressure diesel injection systems for cold drawn seamless steel tubes. 13. Hydraulic and pneumatic cylinder with precision internal diameter seamless pipe (GB8713-88) is a manufacturing hydraulic and pneumatic cylinder used to have a precise diameter size, or cold-rolled precision seamless steel pipe cold drawn. 14. Cold-drawn or cold rolled precision seamless pipe (GB3639-2000) is used for mechanical structure, hydraulic equipment, high dimensional accuracy and surface finish of a good cold-drawn or cold rolled precision seamless steel tubes. Precision seamless steel tube manufacturers use mechanical or hydraulic equipment, etc., can be significant savings in machining man-hours, improve material utilization, and help improve product quality. 15. Structural stainless steel seamless pipe (GB/T14975-2002) is widely used in chemical, petroleum, textile, medical, food, machinery and other industrial anti-corrosion pipes and structural parts and components made of stainless steel hot-rolled ( extrusion, expansion), and cold drawn (rolled) seamless steel pipe. 16. Fluid transport stainless steel seamless pipe (GB/T14976-2002) is used for transmission fluid made of stainless steel hot-rolled (extrusion, expansion), and cold drawn (rolled) seamless steel pipe. 17. Shaped seamless steel pipe, except for sections other than the general term for the shape of seamless steel tubes. Pipe cross-section shape and size according to the different shaped seamless steel pipe wall thickness can be divided into, etc. (code-named D), ranging from shaped seamless steel pipe wall thickness (code-named BD), the variable-diameter shaped seamless steel pipe (code-named BJ). Shaped seamless steel pipe is widely used in a variety of structural parts, tools and mechanical parts. And the tube compared with Rectangular pipe generally have a greater moment of inertia and section modulus, have greater torsional bending ability, we can greatly reduce the structural weight, saving steel. From: seamless steel pipe,alloy steel pipe,stainless steel tube,stainless steel plate,


رد باقتباس
  #4  
قديم 03-13-2010, 05:39 PM
Fish Black Fish Black غير متصل
كول ذهبى
 
تاريخ التسجيل: Sep 2009
المشاركات: 492
افتراضي رد: حركة فنية اكثر من رائعة بكرة القدم

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