Thabiso Steel, a prominent steel manufacturer and supplier located in Cape Town, South Africa, has built a reputation for providing dependable and high-performance steel products that cater to various industrial needs. One of their standout offerings is the Carbon Steel BS3603 Pipe, a specification that’s commonly utilized for pressure applications in both commercial and industrial settings. Produced under rigorous quality control and in accordance with British standards, this pipe is perfect for constructing pressure vessels, boiler systems, and other related uses. Thabiso Steel is committed to ensuring that its products meet both performance and safety standards, serving clients across the engineering, fabrication, and processing industries throughout Southern Africa.
The Carbon Steel BS3603 Pipe is crafted to meet the British Standard 3603, which outlines the requirements for seamless and welded carbon steel pipes designed for pressure service. Typically, it has a carbon content that falls between 0.16% and 0.30%, along with manganese levels up to 1.2%, and small amounts of silicon, phosphorus, and sulfur. Its mechanical properties boast a tensile strength of about 440–570 MPa and a yield strength of around 250 MPa. This pipe is known for its good machinability, weldability, and moderate impact resistance. Additionally, it can be heat-treated to enhance its strength and is suitable for forming and bending under controlled conditions.
| Dimensions | ASTM, ASME and API |
| Thickness | 50mm to 7.00mm, custom OD and thickness available on request |
| End | Plain End, Beveled End, Treaded |
| Length | Single Random, Double Random & Required Length, Custom Size – according to customer’s requirement |
| Schedules | SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules |
| Types | Seamless / ERW / Welded / Fabricated / CDW |
| Outer Diameter | 19.05mm to 127mm |
| Wall Thickness | 0.8mm to 6.0mm |
| Length | 6mtr/ 12mtr or Cut to Length |
| Capacity | 7000 Mt/Month |
Grade | Mfg. Process | Chemical Composition(%) | ||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Others | ||
BW320 | B | 0.16Max | – | 0.30~0.70 | 0.040Max | 0.040Max | – | – | – | – |
ERW320 | E | 0.16Max | – | 0.30~0.70 | 0.040Max | 0.040Max | – | – | – | – |
ERW360 | E | 0.17Max | 0.35Max | 0.40~0.80 | 0.040Max | 0.050Max | – | – | – | – |
ERW430 | E | 0.21Max | 0.35Max | 0.40~1.20 | 0.040Max | 0.040Max | – | – | – | – |
S360 | S | 0.17Max | 0.35Max | 0.40~0.80 | 0.040Max | 0.040Max | – | – | – | t 16mmMax 16mm<t 40mmMAX 40mm<t 65mmMax |
S430 | S | 0.21Max | 0.35Max | 0.40~1.20 | 0.040Max | 0.040Max | – | – | – | t 16mmMax 16mm<t 40mmMAX 40mm<t 65mmMax |
SAW430 | A | 0.25Max | 0.50Max | 1.20Max | 0.040Max | 0.040Max | – | – | – | t 16mmMax 16mm<t 40mmMAX 40mm<t 65mmMax |
Grade
| Tensile Test MPa or N/mm2 | Remaks (Similar to JIS) | Possibility Temperature | |
Min Yield point | Tensile Strength | |||
BW320 | 195 | 320~460 | – | |
ERW320 | 195 | 320~460 | – | |
ERW360 | 235 | 360~500 | (STPG370) | |
ERW430 | 195 | 430~570 | (STPG410) | |
S360 | 235 225 215 | 360~550 | (STPG310) | |
S430 | 275 265 255 | 430~570 | (STPG410) | |
SAW430 | 275 265 255 | 430~570 | (STPY400) | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Carbon Steel BS3603 Pipe finds its place in industries where safe and efficient pressure containment is crucial. You’ll often see it used in boiler tubes, heat exchangers, pressure vessels, and piping systems for steam, gas, or water in industrial plants. It’s also a go-to choice in petrochemical facilities, refineries, and shipbuilding, where adhering to pressure service standards is vital. Thanks to its excellent weldability and formability, it’s perfect for custom fabrication and intricate system installations.
Carbon Steel BS 3603 pipes are widely applied in various industries owing to strength, durability, and resistance against corrosion. High pressure and temperature environment applications for example boilers, heat exchanger, and pressure vessel are used frequently. For oil and gas, petrochemical, power generation, and marine industries to carry fluids, gases, or steam, Carbon Steel BS 3603 Pipes play a major role. Additionally, they are used in structural applications, mechanical systems and piping networks, which require excellent weldability and formability. This stock pipe is a robust structure that complies with British Standard 3603, so they have reliability and long service life in critical industrial operations.
ThabisoSteel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Cape Town, South Africa.
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