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Bulan Pipes and Tubes, located in Jakarta, Indonesia, stands out as a leading manufacturer and supplier of Cold Drawn Seamless (CDS) Tubing. Renowned for its precision engineering and top-notch quality, the company offers CDS tubing that adheres to global standards for a variety of industrial uses. With cutting-edge manufacturing facilities and rigorous quality control measures, they ensure that their tubing is flawless, boasting excellent dimensional accuracy and a smooth surface finish. Catering to industries such as automotive, energy, and construction, Bulan Pipes and Tubes has earned a solid reputation for reliability and innovation, both in Indonesia and throughout Southeast Asia. Customers rely on Bulan for high-performance CDS tubing solutions that are delivered promptly.
CDS Tubing is crafted from high-quality carbon steel and alloy steel, typically in grades like ASTM A179, A210, A519, and EN 10305-1/4. Its makeup includes carbon (C), manganese (Mn), phosphorus (P), sulfur (S), and occasionally chromium (Cr) and molybdenum (Mo) to boost strength. The mechanical properties showcase a tensile strength ranging from 340 to 610 MPa, a yield strength of 175 to 415 MPa, and impressive elongation (≥20%). With outstanding dimensional accuracy, a uniform microstructure, and smooth internal surfaces, CDS tubing delivers excellent mechanical performance for high-precision applications.
Condition | Nominal Yield Strength psi | Nominal Ultimate Strength psi | Nominal Elongation in 2% | Equivalent Rockwell Hardness | Equivalent Brinell Hardness |
GRADE 1018 c .15/.20 Mn .60/90 P .40 max S .050 max | |||||
Hot-Rolled | 35,000 | 60,000 | 30 | B-68 | 116 |
Normalized | 38,000 | 58,000 | 35 | B-66 | 114 |
Soft-Annealed | 33,000 | 50,000 | 40 | B-57 | 97 |
As-Drawn | 70,000 | 85,000 | 10 | B-87 | 170 |
CD-Stress Relief Annealed | 60,000 | 80,000 | 15 | B-85 | 163 |
GRADE 1020 C. 18/.23 Mn .30/.60 P .040 max S .050 max | |||||
Hot-Rolled | 38,000 | 60,000 | 30 | B-68 | 116 |
Normalized | 40,000 | 58,000 | 35 | B-66 | 114 |
Soft-Annealed | 33,000 | 53,000 | 40 | B-62 | 105 |
As-Drawn | 65,000 | 80,000 | 10 | B-85 | 163 |
CD-Stress Relief Annealed | 60,000 | 75,000 | 15 | B-81 | 149 |
GRADE 1026 C .22/.28 Mn .60/.90 P .030 max S .050 max | |||||
Hot-Rolled | 47,000 | 70,000 | 28 | B-77 | 137 |
Normalized | 50,000 | 67,000 | 33 | B-74 | 131 |
Soft-Annealed | 36,000 | 60,000 | 35 | B-68 | 116 |
As-Drawn | 72,000 | 87,000 | 10 | B-89 | 179 |
CD-Stress Relief Annealed | 65,000 | 82,000 | 15 | B-86 | 167 |
OUTSIDE AND INSIDE DIAMETER TOLERANCES FOR ROUND COLD-WORKED SEAMLESS TUBING PER ASTM A519 | ||||||||||
Outside Diameter Size Range in | Thermal Treatment after Final Cold Work Producing Size | |||||||||
Wall Thickness as Percent of OD | None, or not exceeding 1100°F. Nominal Temperature | Heated Above 1100°F. Nominal Temperature Without Accelerated Cooling | ||||||||
OD, in | ID, in | OD, in | ID, in | |||||||
Over | Under | Over | Under | Over | Under | Over | Under | |||
Up to 0.499 | All | 0.004 | 0.000 | — | — | 0.005 | 0.002 | — | — | |
0.500-1.699 | All | 0.005 | 0.000 | 0.000 | 0.005 | 0.007 | 0.002 | 0.002 | 0.007 | |
1.700-2.099 | All | 0.006 | 0.000 | 0.000 | 0.006 | 0.006 | 0.005 | 0.005 | 0.006 | |
2.100-2.499 | All | 0.007 | 0.000 | 0.000 | 0.007 | 0.008 | 0.005 | 0.005 | 0.008 | |
2.500-2.899 | All | 0.008 | 0.000 | 0.000 | 0.008 | 0.009 | 0.005 | 0.005 | 0.009 | |
2.900-3.299 | All | 0.009 | 0.000 | 0.000 | 0.009 | 0.011 | 0.005 | 0.005 | 0.011 | |
3.300-3.699 | All | 0.010 | 0.000 | 0.000 | 0.010 | 0.013 | 0.005 | 0.005 | 0.013 | |
3.700-4.099 | All | 0.011 | 0.000 | 0.000 | 0.011 | 0.013 | 0.007 | 0.010 | 0.010 | |
4.100-4.499 | All | 0.012 | 0.000 | 0.000 | 0.012 | 0.014 | 0.007 | 0.011 | 0.011 | |
4.500-4.899 | All | 0.013 | 0.000 | 0.000 | 0.013 | 0.016 | 0.007 | 0.012 | 0.012 |
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 CDS 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 CDS 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 CDS 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.
Cold Drawn Seamless (CDS) Tubing is perfect for applications that demand high dimensional accuracy, superior surface finish, and robust strength. It finds extensive use in automotive components (like shock absorbers and steering columns), hydraulic and pneumatic systems, heat exchangers, boiler tubes, precision mechanical parts, and structural engineering projects. The tubing’s capability to withstand high pressure and temperature makes it ideal for industries such as power generation, oil and gas, and chemical processing. CDS tubing is the go-to choice where exact tolerances and exceptional surface quality are essential, ensuring optimal performance in challenging environments.
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