Stainless steel welded pipe, refer件能red to as welded pipe, commonly used st哥少eel or steel strip 票討through the unit and mold curled form放章ing of the steel pipe. The作相 welding steel pipe produ票從ction process中鐵 is simple, the prod他個uction effic房微iency is high,司現 the variety specification i關西s many, the equipment investme呢爸nt is few, but the general str校睡ength is low亮嗎er than the seamless steel pipe.

Since 1930s, with the 事行rapid develop拍站ment of high-qu又愛ality strip rolli多上ng production and progres市機s of welding and testing technology, a兵影nd constantly im議月prove the weld qualit著短y, varieties and specifications of 慢線welded steel pipe is increasing, a我來nd in more an內海d more fields especiall村請y in the heat exchanger tube, decora公費tive tube, e小用tc. in the low-pressure flui麗森d pipe instead of th報就e seamless steel tube.

First, the small c事地aliber stainless steel 人哥welded pipe i她數s continuous onli村東ne production. The t懂森hicker the wall市就 is, the great頻微er the investm笑他ent will be for窗筆 the unit and the melting equipme南票nt. The less economical and林冷 practical it is. The smaller the w坐我all thickness is在書, the lower the input output 弟銀ratio will be; the next is離道 the technology 刀為of the product, 請制which determines its advantage到笑s and disadvantages. The genera厭雪l welded steel pipe has high為腦 accuracy, uniform wall thickness, 聽飛high brightness inside and outside t劇師he tube (the surfac朋都e brightness of 不通the steel plate dete農理rmines the surf亮可ace brightness of the s筆資teel tube), and it can be arbit了照rarily fixed. Therefore答匠, it embodies its econ煙懂omy and beauty藍放 in the application of high precisio風了n, medium and low pr靜唱essure fluid.

According to the welding technology,女人 it can be d年國ivided into automatic 頻開welding and manual welding.樂路 Submerged arc w鐵女elding and plas會還ma welding are commonly u湖話sed in automatic welding, and argon 鐵暗arc welding is時年 generally used in manu姐白al welding.

GB/T12770-2002 (stainless steel welde見得d steel pipe f裡體or mechanical structure). I藍近t is mainly used for the de下光coration of machinery, autom微妹obile, bicycle, furnitur慢人e, hotel and hotel and other me得路chanical parts a西放nd structural parts. It represents the 學熱material 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr又體18Ni9, 0Cr18Ni11Nb and so on.

GB/T12771-2008 (stainless steel w近紅elded steel pipe for fluid del地土ivery). It is mai地飛nly used for co煙讀nveying low pres腦議sure corrosive medium. The repr黑林esentative materials are 06Cr19Ni10, 船子022Cr19Ni10, 06Cr19Ni110Ti, 00Cr17, 0Cr員聽18Ni11Nb, 06Cr17Ni12Mo2 and so on票長.