Know your materials.
Practical guides, explainers and buying notes on steel, electrical steel, aluminum, copper and industrial equipment — written for procurement and engineering teams.
Guides, explainers & buying notes
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9 sample articles
B27R090Reading a GO grade code: thickness, type and core loss
What the letters and numbers in a grain-oriented grade designation tell you — illustrated with manufacturer reference grades.
How to write a complete RFQ for steel coils
Grade, standard, thickness, width, coil ID and weight, quantity and destination — the details that make a quotation precise.
Cold-rolled vs hot-rolled coils: surface, tolerance and typical uses
A side-by-side look at CR and HR coils and how to choose between them for fabrication and manufacturing.
Stress-relief annealing of GO electrical steel: why it matters
How cutting and forming affect magnetic properties, and what the manufacturer reference manual says about annealing.
Mill test certificates: what buyers should check
Heat numbers, chemical composition, mechanical results and the standard referenced — a checklist for incoming documents.
Aluminum alloy series at a glance
An overview of the main wrought alloy series and the product forms buyers most often specify.
Copper for electrical applications: forms and specifications
Strip, foil, rod, wire and tube — what to define when sourcing copper for windings, busbars and conductors.
Incoterms explained for metal and machinery imports
Who arranges freight, insurance and customs under common trade terms — and what to state in your enquiry.
Specifying bearings and wire ropes for industrial machinery
Dimensions, load ratings, construction and documentation to include when requesting mechanical components.
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Articles are general guidance, not a product specification. Technical values quoted from manufacturer documents are always attributed to their source.
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