Technical answers to real questions from the field.
We cover the topics purchasing teams and project engineers ask us most, with tables, standard codes and practical calculations.
Technical guides
Every article brings together the dimensions, standards and weight data you need when deciding on a product.
Rebar Grades: Differences Between B420C and B500C (TS 708)
How to read TS 708 grade designations, the mechanical values of B420C and B500C, what the seismic code expects, and how to avoid grade mix-ups on site.
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Choosing Hollow Sections: Wall Thickness and Size for Each Project
How to read a hollow section size, what wall thickness really changes, weights per metre for common sizes, and section …
Ribbed Rebar Diameters and Weights per Metre
Weight table from Ø8 to Ø32, the logic behind the 0.006165 × d² formula, 12 m bar weights and a practical way to verify…
HEA vs HEB Beams: Which One Should You Choose?
Same nominal height, different web: section geometry, weight per metre and practical selection criteria for HEA and HEB…
What Is Galvanized Steel Sheet? Coating Weight, Grades and Uses
How hot-dip galvanizing works, what Z100–Z275 coating codes mean, the difference between DX51D and S350GD, and three qu…
Cold Rolled (DKP) vs Pickled and Oiled (HRP) Steel Sheet
Production, surface, tolerance and cost differences between cold rolled and pickled-and-oiled sheet — and which one to …
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