الوصف

Submerged weldings are widely applies to the running water project, the petrified industry, the chemical industry, the electric power industry, the agricultural irrigation, the urban construction, is our country *0's developments one of *0 key products. Makes the hydraulic transport to use: For water, draining water. Makes the gas transfer to use: Coal gas, vapor, liquified petroleum gas. Makes the structure to use: Does cuts in line the tube, is the pillar of the state; The wharf, the path, the building structure use the tube. This product material quality: For Q**5, SS**0, *6Mn, also may need the optional material quality according to the customer. Spiral steel pipe standard: This product rests on API SPEC the 5L standard, SY/T***7 and the GB/T***1.1 country standard production and the examination. Decides the ruler length: Usually decides the ruler length for ****0±**0mm, also may act according to the customer request, produces any length the steel pipe. Specification model: Besides the following specification model also may produce the non- model steel pipe according to the customer request, and provides the semblance to spread the oil craft.