Technical Resources & Blog

Expert insights on pressure flange standards, quality control, and material selection

Technical Guide
2026-03-20
12 min read

How to Read a Flange Drawing: A Practical Guide for Engineers & Buyers

Former mechanical drafter Zeng Liping shares 10+ years of experience. Learn to identify standards, pressure ratings, flange types, facing requirements, and spot red flags before production.

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Technical Guide
2026-03-01
10 min read

ASME B16.5 vs EN 1092-1: Key Differences in Flange Standards

Comparing American and European flange standards. Understanding dimensional differences, pressure ratings, and material requirements for international projects.

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Material Science
2026-02-15
12 min read

Material Selection for Corrosive Chemical Environments

Choosing the right materials for flanges in chemical processing applications. Stainless steel grades, nickel alloys, and special considerations for harsh environments.

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Quality Control
2026-02-01
9 min read

NDT Testing Methods for Pressure Vessel Flanges

Overview of non-destructive testing methods: UT, RT, MT, PT. When each method is required and what defects they can detect in flange production.

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Engineering Tips
2026-01-15
7 min read

Common Mistakes in Flange Drawing Specifications

Learn from real-world examples of drawing errors that led to production delays. How to specify tolerances, surface finish, and inspection requirements correctly.

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Manufacturing Process
2026-01-01
11 min read

Heat Treatment Requirements for High-Pressure Flanges

Understanding heat treatment processes: normalizing, quenching, tempering. How thermal treatment affects mechanical properties and certification requirements.

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Downloadable Resources

Free technical documents and reference materials for engineers and procurement professionals

Flange Dimension Chart - ASME B16.5

Complete dimensional data for Class 150 to Class 2500 flanges

PDF2.4 MB

Material Grade Comparison Table

Cross-reference between ASME, EN, and GB material standards

PDF1.8 MB

Quality Inspection Checklist

Pre-shipment inspection checklist for pressure flanges

PDF856 KB

Packaging Standards for Ocean Freight

Recommended packaging specifications for export shipments

PDF1.2 MB

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