Duplex & Super Duplex Stainless Fasteners
Asia Bolts Industries manufactures duplex and super duplex stainless steel fasteners — 2205 (UNS S31803/S32205), 2507 (UNS S32750) and Zeron 100 (UNS S32760) — for offshore platforms, desalination plants and marine seawater service. PREN values 35–42+ confirmed on every MTR. NACE MR0175 / ISO 15156 compliant. Sizes M10 to M72. Saudi Aramco approved.
- ✔ Grades: 2205 Duplex — UNS S31803/S32205 · PREN ≥35 | 2507 Super Duplex — UNS S32750 · PREN ≥42 | Zeron 100 — UNS S32760 · PREN ≥40 | Lean Duplex — UNS S32101
- ✔ Key Properties: PREN confirmed on MTR · Ferrite 35–65% measured · 2× yield strength of SS316 · NACE MR0175 / ISO 15156 compliant · Seawater pitting resistant to 50°C
- ✔ Standards: ASTM A182 F51/F53/F55 · ASTM A193 B8R/B8S · EN 10088-3 · NACE MR0175 · ISO 15156
- ✔ Fastener Forms: Stud bolts · Hex bolts · Heavy hex nuts · Washers · Threaded rods · Custom machined
- ✔ Size Range: M10 to M72 · ½” to 2½” UNC/UNF/8UN · Custom larger sizes available
- ✔ Certification: EN 10204 3.1 MTR · PREN value confirmation · Ferrite content measurement · NACE compliance statement · TPI available
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- 🏗️ High-rise Buildings & Commercial Construction
- 🌉 Bridges, Flyovers & Infrastructure
- ⚡ Power Plants & Substations
- 🛢️ Oil & Gas — Onshore & Offshore Platforms
- 🏭 Petrochemical & Industrial Facilities
- 📡 Transmission Towers & Telecom Structures
- 💧 Water Treatment Plants & Desalination
- 🚉 Rail & Metro Infrastructure
Packaging Information
📦 Standard: Cartons, wooden boxes or pallets based on quantity and customer requirements
🎁 Custom: Polybag + carton on request
🚢 Export: Fumigated pallets available
📋 Each box includes inspection certificate
Delivery Information
📦 Lead Time: Stock items: 1-5 days | Custom manufacturing: 7-30 days
🚢 Shipping Methods: Air freight, sea freight, or land transportation. FOB, CIF, DDP terms available.
📋 Full export documentation provided with every shipment: Commercial Invoice, Packing List, MTC, Bill of Lading, and Certificate of Origin
☑ Saudi Aramco Approved: Recognized vendor for critical upstream and downstream projects.
🔩 Custom Manufacturing: We produce non-standard lengths and diameters based on your drawings.
🏅 Triple ISO + CE Certified: ISO 9001 Quality, ISO 45001 Safety, and ISO 14001 Environmental certification, plus CE marking for European market compliance.
🏭 32,260 sqm Facility: أكبر مجمع لتصنيع أدوات التثبيت في الشرق الأوسط، مجهز بآلات التحكم الرقمي (CNC) المتقدمة وقدرات إنتاج داخلية كاملة.
🔬 In-House Testing Lab: تتبع كامل لمسار المواد بدءاً من المواد الخام وحتى المنتج النهائي؛ حيث نُجري كافة فحوصات الشد، والصلابة، والأبعاد، والتحليل الطيفي محلياً داخل منشأتنا.
🚚 Global Delivery: Shipped to 70+ countries via established logistics networks. Flexible packaging, documentation and third-party inspection support available.
