Knowledge Hub

Technical Guides & Industry Insights

Expert articles on pipe material selection, grade comparisons, and engineering best practices — written by the Metinox Overseas team for engineers, procurement professionals, and project managers.

All Articles

6 articles published

Material Guide

Bright Annealed Instrumentation Tubing: Selection Guide for Grade, Standard, and Application

May 5, 2026 Metinox Overseas Team

The bright annealed 316L instrumentation tubing is the standard for clean, accurate analytical and process lines and for good reason. It is special because, during manufacture

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Material Guide

Surface Roughness (Ra) in Stainless Steel Tubing: BA, AP & EP Finishes Explained

May 4, 2026 Metinox Overseas Team

One of the most important and checked features when choosing stainless steel tubing for critical process applications is surface roughness Ra. The degree of cleanliness of

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Oil & Gas Guide

Carbon Steel vs Stainless Steel Pipes – Which Is Better for Oil & Gas Pipelines?

April 22, 2026 Metinox Overseas Team

Carbon steel or stainless steel for your oil & gas pipeline? Compare API 5L, ASTM A106, SS 316L, Duplex 2205, and more on strength, corrosion resistance, cost, and lifecycle value.

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Flanges Guide

Types of Stainless Steel Flanges – Weld Neck, Slip-On, Blind & How to Choose

April 8, 2026 Metinox Overseas Team

Weld neck, slip-on, blind, socket weld, threaded, or lap joint? Understand every stainless steel flange type — design, pressure ratings, facing, and best-fit service conditions.

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Technical Guide

Inconel vs Hastelloy – Choosing the Right Nickel Alloy Pipe for Harsh Environments

March 18, 2026 Metinox Overseas Team

Inconel or Hastelloy? Compare the two leading nickel alloy families on high-temperature performance, chemical corrosion resistance, and ideal applications across industries.

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Material Guide

Duplex vs Super Duplex Stainless Steel – Differences, Applications & Selection Guide

March 4, 2026 Metinox Overseas Team

Duplex 2205 or Super Duplex 2507? Compare corrosion resistance, mechanical strength, PREN values, and cost for offshore, subsea, and chemical process applications.

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Technical Guide

Seamless vs Welded Stainless Steel Pipe – Key Differences & When to Use Each

February 19, 2026 Metinox Overseas Team

Seamless or welded stainless steel pipe? Understand the manufacturing differences, pressure ratings, cost implications, and industry standards to choose right for your project.

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Material Guide

SS 304 vs SS 316 – Which Stainless Steel Grade Is Right for Your Project?

February 10, 2026 Metinox Overseas Team

Compare SS 304 and SS 316 stainless steel pipes on corrosion resistance, mechanical properties, ASTM standards, and best-fit applications to make the right specification decision.

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Stainless Steel Pipes