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ISO 9809 and ISO 11120 – Seamless Steel Gas Cylinders
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....SO 9809 and ISO 11120 – Seamless Steel Gas Cylinders<br>By: - YAGAY andSUN<br>Other Topics<br>Dated:- 15-5-2025<br>🔧 ISO 9809 and ISO 11120 - Seamless Steel Gas Cylinders Here's a clear explanation of ISO 9809 and ISO 11120, both of which are international standards for seamless steel gas cylinders, but apply to different types and uses: ✅ Full Title: ISO 9809-1/2/3 - Gas cy....
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....linders - Refillable seamless steel gas cylinders - Design, construction and testing 📌 Scope: * Applies to seamless steel cylinders for permanent and liquefied gases. * Covers cylinders typically with water capacity up to 150 litres. * Commonly used for industrial gases (oxygen, nitrogen, argon, etc.). 📂 Parts: * ISO 9809-1: Cylinders made of normalized steel. * ISO 980....
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....9-2: Cylinders made of quenched and tempered steel. * ISO 9809-3: Cylinders made of normalized or quenched and tempered steel, using a different set of test requirements. 🔍 Covers: * Material requirements * Manufacturing processes (e.g., hot drawing, forging) * Design criteria (wall thickness, stress limits) * Tests: hydrostatic, burst, tensile, impact, and ultrasonic * Markin....
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....g and inspection 🚀 ISO 11120 - Seamless Steel Tubes for High-Pressure Gases ✅ Full Title: ISO 11120 - Gas cylinders - Refillable seamless steel tubes of water capacity between 150 L and 3000 L - Design, construction and testing 📌 Scope: * Applies to large seamless steel tubes (often called cylinder tubes or MEGC tubes). * Water capacity between 150 litres and 3000 lit....
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....res. * Common in bulk gas transport systems, e.g., tube trailers and ISO containers. 🔍 Covers: * Design methodology for thick-walled, large-capacity gas containment. * Material standards (usually quenched and tempered alloy steels). * Non-destructive testing (NDT) requirements. * Testing: hydrostatic, burst, ultrasonic, radiographic. * Tolerances and markings. 🔄 Key D....
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....ifferences: ISO 9809 vs ISO 11120 Feature ISO 9809 ISO 11120 Capacity ≤ 150 L 150-3000 L Use Standard cylinders (welding, industrial gases) Bulk storage/transport (tube trailers, ISO skids) Material Normalized or quenched & tempered steel Quenched & tempered high-strength steel Application Portable gas cylinders High-capacity transport tubes Standards Parts 3 parts (based on st....
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....eel type) Single comprehensive standard ***<br> Scholarly articles for knowledge sharing by authors, experts, professionals ....