Technical Blog

Guides on steel strip selection, processing, and applications

65Mn vs 51CrV4 Spring Steel Strip

July 2026 · 6 min read

These are different spring steel grades, not automatic equivalents. Compare their standard context and the engineering information buyers should confirm before selection.

GCr15 vs 52100 vs SUJ2 vs 100Cr6

July 2026 · 5 min read

SKF lists these as comparable bearing steel designations—but chemistry alone does not prove interchangeability. Learn what a complete specification must cover.

Precision Steel Strip RFQ Checklist

July 2026 · 6 min read

What buyers should provide for an accurate steel strip quotation: grade, dimensions, tolerances, condition, edge, surface, coil requirements, quantity and destination.

How to Choose the Right Spring Steel Strip

July 2026 · 6 min read

65Mn, 51CrV4, SK5, or C75S? A practical comparison of the most common spring steel grades for flat springs, valve springs, and industrial clips — with selection criteria based on your application requirements.

SK5 vs SK4 Steel Strip — Which One Do You Need?

July 2026 · 5 min read

Both are JIS high-carbon tool steels, but their 0.10% carbon difference creates real performance gaps. Chemical composition, hardness, applications, and when to choose which.

Steel Strip Heat Treatment: A Buyer's Guide

July 2026 · 7 min read

Annealed vs hardened & tempered — what happens during spheroidization, quenching, and tempering, and why it matters for your downstream processing and final product performance.

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