Seamless tubes are tubes that have no welds or seams, which is why they are called seamless tubes. These tubes are made of solid round steel called billets, which are heated and pulled or pushed through the mold until they become a hollow tube shape. In addition, the hollow tube is extruded through a combination of mandrel and die to reduce the diameter and enlarge the inner diameter.
KUAIMA steel company has more than ten years of experience in diversified operations and multi-product transactions, involving round bar, ship plate, seamless pipe, plate, coil, wire, bright bar, pipe fittings and a wide range of carbon steel, alloy steel And more product sizes of stainless steel materials, these products we produce meet national and international quality standards, such as ASTM, ASME, DIN, JIS, ISO, etc. The company has 25 production lines for various products, with an annual output of 500,000 tons, and is committed to Provide high-quality steel products and provide supporting services and solutions for global customers. Welcome to KUAIMA steel company.
Size | Outer Dimensions | Wall Thickness | Length | Standard | Grade |
OD (4-190mm) x WT (0.5-15mm) | 4.0mm – 60.0mm | 0.5mm – 8 mm | max 6000mm | DIN 2395-2 | ST37 |
C | N | P | S |
0.21-0.25 | 0.009 | 0.065 | 0.065 |
Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation % |
340-470 | 235 | 20 |
Seamless steel pipes are mainly used in chemical, petrochemical, marine engineering, seawater pipelines, seawater desalination and other industries, nuclear engineering, paper and pulp industry
oil and gas
Kuaima Steel provides a complete set of equipment and installations for drilling, transportation and storage in the oil and gas industry.
energy
Kuaima Steel serves the entire service cycle of power generation and synchronous activities in design, construction, repair and maintenance.
construction
Kuaima Steel provides comprehensive products and services for infrastructure, bridges, pipelines, etc.
marine
Kuaima Steel is a trusted supplier for subsea to surface operations and shipbuilding operations.
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