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Koasteel is a reliable manufacturer and supplier based in Auckland, New Zealand, recognized for delivering BAPCO-approved pipes engineered specifically for demanding industrial uses. The company adheres to the rigorous standards established by the Bahrain Petroleum Company (BAPCO), guaranteeing exceptional quality, safety, and performance. Serving key industries such as oil & gas, petrochemicals, and infrastructure, Koasteel plays an essential part in projects across the Middle East and beyond. Equipped with cutting-edge production facilities, a workforce of experienced experts, and stringent quality control processes, the company provides precision-engineered pipes, on-time deliveries, and consistent long-term performance, positioning it as a trustworthy partner in tough industrial environments.
Koasteel’s BAPCO-approved pipes are manufactured from premium-grade materials such as carbon steel, stainless steel, and alloy steel. Their makeup includes precisely regulated amounts of carbon, chromium, nickel, and molybdenum, all of which improve their strength, resistance to corrosion, and durability. These pipes offer outstanding tensile strength, superior yield strength, and exceptional toughness, guaranteeing dependable performance under conditions of elevated pressure and temperature. Compliance with BAPCO specifications ensures uniform mechanical properties, structural soundness, and an extended service life, even within the demanding environments of refineries and industrial facilities.
| Category | Parameter | Carbon Steel | SS 304 | SS 316 | Duplex S32205 | Super Duplex S32750 | Inconel 625 |
|---|---|---|---|---|---|---|---|
| General | Approval | BAPCO Approved Vendor | BAPCO Approved | BAPCO Approved | BAPCO Approved | BAPCO Approved | BAPCO Approved |
| Product | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | |
| Type | Seamless / Welded / ERW / EFW / LSAW | Same | Same | Same | Same | Same | |
| Standards | ASTM / ASME / API / DIN / EN | Same | Same | Same | Same | Same | |
| Certification | EN 10204 3.1 / 3.2 | Same | Same | Same | Same | Same |
| Chemical Composition (%) | C | ≤0.30 | ≤0.08 | ≤0.08 | ≤0.03 | ≤0.03 | ≤0.10 |
|---|---|---|---|---|---|---|---|
| Cr | – | 18–20 | 16–18 | 22–23 | 24–26 | 20–23 | |
| Ni | – | 8–10.5 | 10–14 | 4.5–6.5 | 6–8 | ≥58 | |
| Mo | – | – | 2–3 | 3–3.5 | 3–5 | 8–10 | |
| Mn | 0.6–1.2 | ≤2.0 | ≤2.0 | ≤2.0 | ≤1.2 | ≤0.50 | |
| Si | 0.1–0.35 | ≤1.0 | ≤1.0 | ≤1.0 | ≤0.80 | ≤0.50 | |
| P | ≤0.035 | ≤0.045 | ≤0.045 | ≤0.030 | ≤0.035 | ≤0.015 | |
| S | ≤0.035 | ≤0.030 | ≤0.030 | ≤0.020 | ≤0.020 | ≤0.015 | |
| N | – | – | – | 0.14–0.20 | 0.24–0.32 | – |
| Mechanical Properties | Yield Strength (MPa) | ≥240 | ≥205 | ≥205 | ≥450 | ≥550 | ≥414 |
|---|---|---|---|---|---|---|---|
| Tensile Strength (MPa) | ≥415 | ≥515 | ≥515 | ≥620 | ≥795 | ≥827 | |
| Elongation (%) | ≥20 | ≥40 | ≥40 | ≥25 | ≥15 | ≥30 | |
| Hardness (HB) | ≤137 | ≤201 | ≤217 | ≤290 | ≤310 | ≤220 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
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We supply this Waspaloy Wire in compliance with DIN, ISO, JIS or ANSI Standard.
Owing to their outstanding characteristics, Waspaloy Wire serve as vital parts throughout numerous industrial fields. Celebrated for their resistance to corrosion, they are broadly used in marine settings, withstanding the harsh demands of saltwater contact with durability and dependability. Within the construction sector, stainless steel fasteners are crucial to structural assemblies, delivering firm connections while preserving structural soundness in outdoor and exposed conditions.
Yes,Pipe certified by Bapco is recyclable once it has been used. Its valuable components, including nickel, cobalt, and chromium, can be recovered via dedicated recycling methods, which makes it both an eco-friendly and cost-effective choice for reuse in producing new high-performance parts.
Koasteel’s BAPCO-approved pipes see widespread use in oil refineries, petrochemical plants, and pipeline systems for moving oil, gas, and chemicals. They serve a vital function in process piping across both offshore and onshore installations, along with structural applications in industrial projects. Built to withstand extreme conditions, these pipes can cope with high pressure, elevated temperatures, and corrosive environments. Meeting BAPCO standards guarantees safety, durability, and operational efficiency. Located in Auckland, New Zealand, Koasteel backs major engineering and energy projects by delivering dependable piping solutions.