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考登钢管VS焊管有什么区别?那个更好

发布时间:2019-02-16人气:28

考登钢管主要用于:高含硫烟气中的省煤气、空气预热器、热交换器和蒸发器,用于抵御含硫烟气的结露腐蚀。具有卓越的耐硫离子,耐盐酸及其他酸性腐蚀的能力。考登钢管为高效、经济、成熟的传热元件,已经大量使用在各种锅炉的空气预热器产品中。螺旋槽管利用藕节状内壁和螺旋槽导流,强制扰动管内工质,从而提高传热效率。螺旋槽管的传热系数一般可以达到同径光管的1.25倍,使用螺旋槽管可以提高换热设备的效率,减少钢管的用量,缩小换热设备占用的空间,具有良好的经济性和可靠性。

Cauden steel pipe is mainly used for saving gas, air preheater, heat exchanger and evaporator in high sulfur flue gas, to resist condensation corrosion of sulfur flue gas. Excellent sulfur ion resistance, hydrochloric acid resistance and other acid corrosion resistance. Spiral grooved tube is an efficient, economical and mature heat transfer element, which has been widely used in various air preheater products of boilers. Spirally grooved tube utilizes the inner wall of lotus root and spiral groove to guide flow, forcing disturbance of working fluid in the tube, thereby improving heat transfer efficiency. The heat transfer coefficient of spirally grooved tubes can generally reach 1.25 times of that of light tubes with the same diameter. The use of spirally grooved tubes can improve the efficiency of heat exchangers, reduce the consumption of steel tubes, and reduce the space occupied by heat exchangers. It has good economy and reliability.

执行标准

Executive standard

一.成品执行标准:

1. Execution Standards for Finished Products:

1. 直接高频电焊钢管:GB/T13793-92

1. Direct High Frequency Welded Steel Pipe: GB/T13793-92

2. 结构无缝钢管:GB/T8162-2008考登钢管

2. Structural seamless steel pipe: GB/T8162-2008 Kauden steel pipe

3. 钢管的验收、包装、标志和质量证明书:GB2102-88

3. Acceptance, Packaging, Marking and Quality Certificate of Steel Pipe: GB2102-88

二.材质标准:

2. Material standard:

1. 考登钢(Coten-A):GB4171-84

1. Coten-A: GB4171-84

2. ND钢管(09CrCuSb 即:09铬铜锑):GB150-98 GB/T6728

2. ND steel pipe (09CrCuSb: 09CrCuSb: 09Chromium, Copper and Antimony): GB150-98 GB/T6728

3. 螺旋槽管:GB3087-82或参照行业标准:DG1017-94

3. Spiral grooved tube: GB3087-82 or reference industry standard: DG1017-94

考登钢又名Corten钢,分两大类:Corten A、CortenB,是美国Cu-P系列钢的代表钢种,属于低合金高强耐大气腐蚀结构钢,国内叫做耐候钢。 考登钢管主要用于:高含硫烟气中的省煤气、空气预热器、热交换器和蒸发器,用于抵御含硫烟气的结露腐蚀。具有卓越的耐硫离子,耐盐酸及其他酸性腐蚀的能力。

Corten steel, also known as Corten steel, can be divided into two categories: Corten A and CortenB. Corten B is the representative steel of U.S. Cu-P series steel. It belongs to low-alloy, high-strength and atmospheric corrosion resistant structural steel. It is called weathering steel in China. Cauden steel pipe is mainly used for saving gas, air preheater, heat exchanger and evaporator in high sulfur flue gas, to resist condensation corrosion of sulfur flue gas. Excellent sulfur ion resistance, hydrochloric acid resistance and other acid corrosion resistance.

焊接钢管也称焊管,是用钢板或带钢经过卷曲成型后焊接制成的钢管。焊接钢管生产工艺简单,生产效率高,品种规格多,设备资少,但一般强度低于无缝钢管。其中流体输送用不锈钢焊接钢管主要用于输送低压腐蚀性介质。代表材质为0Cr13、0Cr19Ni9、00Cr19Ni11、00Cr17、0Cr18Ni11Nb、0017Cr17Ni14Mo2等。

Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or strip after coiling and forming. Welded steel pipe has the advantages of simple production process, high production efficiency, many varieties and specifications and less equipment, but its general strength is lower than that of seamless steel pipe. Among them, stainless steel welded pipe for fluid transportation is mainly used to transport low-pressure corrosive media. The representative materials are 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, etc. 

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