Manufacturer of Polyurethane Thermal Insulation Pipe: Which Kinds of Straight Welded Pipe

钢套钢保温钢管，钢套钢蒸汽保温钢管，聚氨酯保温钢管，聚氨酯发泡保温钢管，钢套钢直埋保温钢管，聚氨酯直埋保温钢管

Steel insulating steel pipe, steel steam insulating steel pipe, polyurethane insulating steel pipe, polyurethane foaming insulating steel pipe, steel directly buried insulating steel pipe, polyurethane directly buried insulating steel pipe

1.高压流体保送用镀锌焊接钢管也称镀锌电焊钢管，俗称白管。是用于保送水、煤气、空气油及取暖蒸汽、暖水等普通较高压力流体或其他用处的热浸镀锌焊接炉焊或电焊钢管。钢管接壁厚分爲普通镀锌钢管和加厚镀锌钢管;接收端方式分爲不带螺纹镀锌钢管和带螺纹镀锌钢管。钢管的规格用公称口径mm表示，公称口径是内径的近似值。

1. Galvanized welded steel pipes for high-pressure fluid delivery are also called galvanized welded steel pipes, commonly known as white pipes. It is used for hot dip galvanizing welding furnace welding or electric welding steel pipe for conveying water, gas, air oil, heating steam, warm water and other common high pressure fluids or other uses. The wall thickness of steel pipe can be divided into common galvanized steel pipe and thick galvanized steel pipe. The receiving end can be divided into non-threaded galvanized steel pipe and threaded galvanized steel pipe. The specification of steel pipe is expressed by nominal diameter mm, which is the approximate value of inner diameter.

2.普通碳素钢电线套管是工业与民用修建、装置机器设备等电气装置工程中用于维护电线的钢管。

2. Common carbon steel wire sleeve is a steel pipe used for maintenance of electric wires in industrial and civil construction, installation machinery and equipment and other electrical installations.

3.直缝电焊钢管是焊缝与钢管纵向平行的钢管。通常分爲公制电焊钢管、电焊薄壁管、变压器冷却油管等等。

3. Longitudinal welded steel pipe is a steel pipe with longitudinal parallel weld and steel pipe. Usually it is divided into metric welded steel pipe, welded thin-walled pipe, transformer cooling oil pipe and so on.

4.承压流体保送用螺旋缝埋弧焊钢管是以热轧钢带卷作管坯，常常温螺旋成型，用双面埋弧焊法焊接，用于承压流体保送的螺旋缝钢管。钢管承压才能强，焊接功能好，经过各种严厉的迷信检验和测试，运用平安牢靠。钢管口径大，保送效率高，并可浪费铺设管线的投资。次要用于保送石油、自然气的管线。

4. Spiral submerged arc welded pipe for pressure fluid delivery is a kind of spiral welded pipe, which is made of hot rolled steel strip coil and is usually spirally formed at high temperature. It is welded by double-sided submerged arc welding method and is used for pressure fluid delivery. Steel pipe can bear pressure and has good welding function. After various strict superstition tests and tests, it is safe and reliable to use. The steel pipe has large diameter, high delivery efficiency and wasteful investment in pipeline laying. Secondly, it is used to transport oil and natural gas pipelines.

5.承压流体保送用螺旋缝高频焊钢管是以热轧钢带卷作管坯，常常温螺旋成型，采用高频搭接焊法焊接的，用于承压流体保送的螺旋缝高频焊钢管。钢管承压才能强，塑性好，便于焊接和加工成型;经过各种严厉和迷信检验和测试，运用平安牢靠，钢管口径大，保送效率高，并可节省铺设管线的投资。次要用于铺设保送石油、自然气等的管线。

5. High frequency spiral seam welded steel pipe for pressure fluid delivery is made of hot rolled steel strip as billet, which is usually spirally formed at high temperature and welded by high frequency overlap welding method. It is used for pressure fluid delivery of spiral seam high frequency welded steel pipe. The steel pipe can bear pressure, has good plasticity, and is easy to weld and process. After various strict and superstitious tests and tests, it is safe and reliable to use, with large diameter of steel pipe, high delivery efficiency, and saves the investment of laying pipelines. Secondly, it is used to lay pipelines for guaranteeing oil, natural gas, etc.

6.普通高压流体保送用螺旋缝高频焊钢管是以热轧钢带卷作管坯，常常温螺旋成型，采用高频搭接焊法焊接用于普通高压流体保送用螺旋缝高频焊钢管。

6. High-frequency spiral seam welded steel pipes for ordinary high-pressure fluid delivery are made of hot-rolled steel strips as billets, and are usually spirally formed at high temperature. High-frequency lap welding is used to weld high-frequency spiral seam welded steel pipes for ordinary high-pressure fluid delivery.

7.桩用螺旋焊缝钢管是以热轧钢带卷作管坯，常常温螺旋成型，采用双面埋弧焊接或高频焊接制成的，用于土木修建构造、码头、桥梁等根底桩用钢管。

7. Spiral welded steel pipe for pile is made of hot rolled steel strip coil as billet, usually formed by warm spiral, double-sided submerged arc welding or high frequency welding. It is used in civil construction, wharf, bridge and other bottom pile steel pipe.

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