Seamless carbon steel pipe is Tubing used for mechanical and light gauge structural applications.
Carbon tube is produced to meet specific end use requirements, specifications, tolerances and chemistries. This allows for more specific property uniformity throughout the tube compared to standard pipe or tube.Mechanical tubing encompasses a wide range of both structural and non-structural applications.
Carbon tubing is manufactured to typical mechanical tube properties in accordance with ASTM A513 and ASTM A519 specifications. Some of the most common types of mechanical tubing are Drawn Over Mandrel tubing (DOM), Hot Rolled/Finished Seamless tubing (HRS), Cold Drawn Seamless tubing (CDS), Hot Rolled or Cold Rolled Electric Weld tubing (HREW/CREW), and 4140 Alloy tubing. Mechanical tubing is not limited to these specifications and can be produced to exact customer requirements when appropriate. Mechanical products are ordered to a specific outside dimension (OD) and “gauge” or wall thickness or by outside dimension (OD) and inside dimension (ID). Additionally, most mechanical tubing can be available in galvanized as well upon request.
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.
Maximum values in % | Type S (Seamless) | Type E (ERW) | Type F (Furnace Weld) | ||
A53 Pipe Grade–> | Grade A | Grade B | Grade A | Grade B | Grade A |
Carbon | 0.25 | 0.3 | 0.25 | 0.3 | 0.3 |
Manganese | 0.95 | 1.2 | 0.95 | 1.2 | 1.2 |
Phosphorous | 0.05 | 0.05 | 0.05 | 0.05 | 0.05 |
Sulfur | 0.045 | 0.045 | 0.045 | 0.045 | 0.045 |
Copper | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
Nickel | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
Chromium | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
Molybdenum | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
Vanadium | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
Test | ASTM A53 Grade A | ASTM A53 Grade B |
Yield | 30,000 psi | 35,000 psi |
Tensile | 48,000 psi | 60,000 psi |
Elongation | Determined by formula | Determined by formula |
Test | Test ASTM A53 – ASME SA53 |
Flattening | Bend Test (Less than or equal to 2.375″ OD) * |
Hydrostatic | Transverse Weld Tension (Equal to or greater than 8.625″ OD) |
Standard | API, ASTM, BS, DIN, GB, JIS | |||
Outside Diameter | 21.3-1420mm | |||
Wall Thickness | 2.11-300mm | |||
Dia Tolerance | Control with in the standard, OD:+-1%, WT:+-10% | |||
Materials | 10#,20#,45#,Q235,Q345,Q195,Q215,Q345C,Q345A | |||
ASTM A53A/A53B/ A178C/A106B API5L | ||||
ST37,ST37-2,DIN 1629 ST35, ST45,DIN 17175 ST35.8,DIN 17175 19Mn5 | ||||
16Mn,Q345B,T1,T2,T5,T9,T11,T12,T22,T91,T92,P1,P2,P5,P9,P11,P12,P22,P91,P92,15CrMO,Cr5Mo,10CrMo910,12CrMo,13CrMo44,30CrMo,A333 | ||||
Gr.B,X42,X46,X52,X60,X65,X70,X80,X100 | ||||
Inspection | ISO,BV,SGS,MTC | |||
Packing | Steel strip packed. Standard Export Seaworthy Package.Suit forall kinds of transport,or as required | |||
MOQ | 1 ton,sample order accepted | |||
Shipment time | Within 7-10 workdays after receiving deposit or L/C | |||
Application | Widely used in Structure, Accessorize,Construction, |
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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
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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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