Ssaw longitudinal steel pipes
Basic Info
Model No.: USA-040
Product Description
The straight tube is mainly used in tap water engineering, petrochemical industry, chemical industry, electric power industry, agriculture and city construction. For liquid conveying: water supply, drainage. Gas, steam and liquefied petroleum gas for gas transmission. Used as a pile driver, as a bridge; pier, road, building structure, etc.. 
Classification of welded pipe materials and uses
GB/T3091-1993 (galvanized welded steel pipe for low pressure fluid delivery). Mainly used for conveying water, gas, air, oil and heating hot water or steam and other generally low pressure fluid and other use pipe. Its representative material Q235 grade a steel.
GB/T3092-1993 (galvanized welded steel pipe for low pressure fluid delivery). Mainly used for conveying water, gas, air, oil and heating hot water or steam and other generally low pressure fluid and other use pipe. Its representative material is: Q235 grade a steel.
GB/T14291-1992 (mineral fluid transport welded steel pipe). Mainly used in mine air pressure, drainage, gas drainage shaft with a straight seam welded steel pipe. Its representative material B, Q235A grade steel. GB/T14980-1994 (large diameter welded steel pipe for low pressure fluid delivery). Mainly used for conveying water, sewage, gas, air, heating steam and other low pressure fluid and other purposes. Its representative material Q235 grade a steel.
GB/T12770-1991 (stainless steel welded pipe for mechanical structure). Mainly used in machinery, automobiles, bicycles, furniture, hotels and hotel decoration and other mechanical components and structural parts. Its representative material 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, etc..
GB/T12771-1991 (fluid transport with stainless steel welded pipe). Mainly used for conveying low pressure corrosive medium. Representative material for 0Cr13, 0Cr19Ni9, 00Cr19Ni11, 00Cr17, 0Cr18Ni11Nb, 0017Cr17Ni14Mo2, etc..
Main particulars
| MAIN PARTICULARS | |||
| Tolerance | High accuracy(ISO2768, ISO5817, ISO13920); Detail: ID+/-2mm, Length within 5mm, straightness: <1mm/1m | ||
| Material | 10#-45#, Q195-Q345, X42-X80, L245-L255 or other materials | ||
| Technique | Spiral or Longitudinal single seam pipe or Longitudinal with crossing seams | ||
| Dimension(L*B*H) | As per drawing | ||
| Out diameter | Spiral: 219-3200mm | LSAW: 406-1420mm | SAW: 406-5080mm |
| Wall thickness | Spiral: 4-28mm | LSAW: 5-60mm | SAW: 5-150mm |
| Standard | API 5L, BS 1387, GB/T 3091-2001, GB/T9711, ASTM A53-2007, ASTM A252-1998 | ||
| Special capacity | Can produce ID800*25 specification for Spiral pipe | ||
| Surface | Sa2.5 blasted and two or three layers painted with highest quality | ||
| Marking | as per clients' requirements, normal weld stainless mark plate | ||
| Inspection | material, construction, dimension, welding seam, non defective test, paint inspection | ||
| Recyclable, in line with environmental requirements and standards, and reliable | |||
UniSite group has a perfect managing system and our staff who are professional in technology are committed, passionate, efficient.
We have a perfect managing system and quality control system which from initial work, to process control, to final control, forming the whole process traceability with a good command of quality and production schedule.
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Photos of our Ssaw Longitudinal Steel Pipes
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