- sales@bulanpipes.id
- Jakarta, Indonesia
Home > Alloy Steel > Alloy Steel Welded Tubing
Bulan Pipes and Tubes, located in Jakarta, Indonesia, stands out as a top manufacturer and supplier of high-performance Alloy Steel Welded Pipes, which are essential in tough industrial settings. Renowned for their precision in manufacturing and rigorous quality control, Bulan offers welded pipes crafted from premium alloy steel grades that comply with international standards like ASTM A335 and ASME SA335. These pipes come in a variety of sizes, wall thicknesses, and surface finishes. With a strong emphasis on durability, weld integrity, and resistance to corrosion, Bulan caters to industries such as oil & gas, petrochemicals, power generation, and refineries, both in Indonesia and around the globe.
Alloy Steel Welded Pipes are made up of alloying elements like chromium (0.5–9%), molybdenum (0.2–1%), carbon (0.1–0.3%), along with nickel, manganese, and vanadium, depending on the specific grade. These elements boost hardness, tensile strength, and thermal resistance. Typically, the mechanical properties include tensile strength ranging from 415 to 860 MPa and yield strength from 205 to 585 MPa. The welded design, paired with heat treatment processes such as normalizing or tempering, guarantees structural integrity, precise dimensions, and reliability in high-pressure and high-temperature applications.
| Welded Tube Sizes | 1 / 2″ NB – 24″ NB |
| Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Tube Manufacturing Process | Welded |
| Alloy steel T91 | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Tube Length | Single Random, Double Random, Standard & Cut length |
| Tube End Types | Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW), Grooved Mechanical Joints or Grooved Ends, TBE (Treaded Both Ends) |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Alloy steel T91 Tubes, Finish as per customer Requirements |
| Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
| Grade | C | Mn | Si | P | S | Si | Cr |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020 | 0.010 | 0.20-0.50 | 8.00-9.50 | 0.85-1.05 |
| T91 | 0.08-0.12 | 0.30-0.60 | 0.20-0.50 | 0.020 | 0.010 | 0.20-0.50 | 8.00-9.50 |
| ASTM A335 Grade | Tensile Strength | Yield Strength | Elongation % | Hardness(HB) | |||
| ksi | MPa | ksi | MPa | Longitudinal | Transverse | ||
| P91 | 85 | 585 | 60 | 415 | 20 | – | – |
| T91 | – | 585 min | – | 415 min | 20 % min | – | – |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
When you choose Alloy Steel Welded Tubing from Bulan Pipes and Tubes, you can count on exceptional quality and long-lasting durability. These tubes offer excellent corrosion resistance and high strength, making them perfect for various industrial applications. Our commitment to outstanding service and reliable delivery guarantees customer satisfaction with every order. With extensive expertise in stainless steel products, we provide premium solutions tailored to meet your unique needs.
Bulan Pipes and Tubes, a top supplier of Alloy Steel Welded Tubing in Indonesia, Jakarta, offers a comprehensive range of high-quality pipes and tubes for various industrial applications. With an extensive inventory and a commitment to exceptional customer service, they have become the go-to source for stainless steel products in the area.
At Bulan Pipes and Tubes, we specialize in providing custom-sized Alloy Steel Welded Tubing designed to meet your specific requirements. Our expert team is committed to delivering personalized solutions for all your piping and tubing needs. For more details, contact us at sales@bulanpipes.id.
Alloy Steel Welded Pipes find extensive use in power plants, chemical facilities, refineries, thermal boilers, heat exchangers, and high-pressure pipelines. They are perfect for situations involving high temperatures, corrosive fluids, and significant mechanical stress. These pipes offer excellent creep resistance, oxidation protection, and a long service life even under extreme working conditions. Their adaptability and ease of welding also make them ideal for structural piping systems and equipment fabrication in both static and dynamic load scenarios. Alloy steel welded pipes present a cost-effective option for industries that require performance and strength without sacrificing quality.
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