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Double submerged arc welded straight seam steel pipe
- Product Description
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Product Introduction
JCOE straight seam double-sided submerged arc welded steel pipe (LSAW) is a high-quality steel pipe made of advanced production technology, which has the following characteristics and advantages:
1. Production technology: JCOE production technology is an advanced steel pipe production, which adopts PID automation to control the continuous j-c-o forming process of the whole line to ensure fast production speed, uniform forming stress distribution and regular pipe shape. The production equipment can be replaced quickly and easily, and the product specification range is large. It can produce straight seam double-sided submerged arc welded steel pipes with a diameter of 457.2-2422.4mm, a wall thickness of 8-80mm, and a length of 5.8 m-12.5m.
2. Materials and materials: JCOE large-diameter straight seam double-sided submerged arc welded steel pipes are made of Q235A (B/C/D),Q345B (C/D/E),L175-L555,X42-X80,A672GrB70-CL32,A691Gr2-1/4Cr22,[ASTM A671.Gr.Cc65.cl32, including GB/T3091, GB/T9711.1, GB/T9711.2, API 5L, PSL1, etc.
3. Application field ": JCOE large-diameter straight seam double-sided submerged arc welded steel pipe is suitable for various types of oil and gas transmission pipelines and building steel structures, including oil pipelines, natural gas, urban pipe networks, mine coal water slurry pipelines, high-voltage transmission lines, And wind power, bridges, high-speed railway steel structure buildings, etc.
4. Inspection and processing: The production process of JCOE large-diameter straight-seam double-sided submerged arc welded steel pipe includes multiple inspection and processing steps, such as ultrasonic inspection and X-ray inspection, to ensure the product. These inspections include 100 percent inspection of the inner and outer welds of the straight seam welded steel pipe and the base metal on both sides of the weld, as well as expansion and hydraulic pressure tests to ensure that the steel pipe meets the required test pressure.
To sum up, JCOE large diameter straight seam double submerged arc welding steel pipe with its advanced technology, wide application and high quality guarantee, has become an important building material in petrochemical, construction, steel structure and other engineering fields.
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