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Koasteel is a well-regarded manufacturer and supplier based in Auckland, New Zealand, recognized for delivering ADNOC-approved pipes designed for essential industrial uses. The company follows ADNOC standards rigorously, ensuring exceptional product quality, safety, and dependability. Serving industries such as oil & gas, petrochemicals, and infrastructure, Koasteel is instrumental in major projects across the Middle East and further afield. Through advanced manufacturing methods, an experienced team, and stringent quality control practices, they supply precision-engineered pipes that guarantee on-time delivery and durable performance, positioning them as a dependable partner in challenging operational environments.
Koasteel’s ADNOC-approved pipes are manufactured from premium-grade materials such as carbon steel, stainless steel, and alloy steel. Their makeup includes precisely regulated levels of carbon, chromium, nickel, and molybdenum, which enhance strength, corrosion resistance, and durability. These pipes are engineered to deliver high tensile strength, superior yield strength, and outstanding toughness, guaranteeing reliable operation even under elevated pressure and temperature. Because they conform to ADNOC specifications, they ensure uniform mechanical properties, structural soundness, and an extended service life in demanding industrial and offshore settings.
| Category | Parameter | Carbon Steel | SS 304 | SS 316 | Duplex S32205 | Super Duplex S32750 | Inconel 625 |
|---|---|---|---|---|---|---|---|
| General | Approval | ADNOC Approved Vendor | ADNOC Approved | ADNOC Approved | ADNOC Approved | ADNOC Approved | ADNOC Approved |
| Product | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | Pipes & Tubes | |
| Type | Seamless / Welded | Seamless / Welded | Seamless / Welded | Seamless / Welded | Seamless / Welded | Seamless / Welded | |
| Standards | ASTM / ASME / API | ASTM / ASME | ASTM / ASME | ASTM / ASME | ASTM / ASME | ASTM / ASME |
| 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 manufacturing facilities strategically positioned across New Zealand, we maintain an extensive stockpile of more than 25,000 tons of top-grade materials kept ready in stock.
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We provide these Waspaloy Wire in accordance with DIN, ISO, JIS or ANSI Standard.
Owing to their outstanding characteristics, Waspaloy Wire serve as vital elements throughout numerous industrial fields. Celebrated for their resistance to corrosion, they are broadly used in marine settings, withstanding the harsh demands of saltwater exposure 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,Adnoc certified pipes are recyclable once used. Their valuable materials, including nickel, cobalt, and chromium, can be reclaimed 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 ADNOC-certified pipes are widely deployed in oil and gas exploration, refineries, petrochemical plants, and pipeline networks both offshore and onshore. They play a vital role in moving oil, gas, water, and chemicals under harsh conditions. Beyond this, these pipes serve process piping systems, structural uses, and a range of industrial infrastructure projects. Their compliance with ADNOC standards guarantees safety, longevity, and operational effectiveness. Headquartered in Auckland, New Zealand, Koasteel delivers these pipes to back major engineering and energy projects, offering dependable piping solutions built for lasting performance.