Guides
Short, practical explainers written for buyers, engineers and toolmakers — no filler.
1.2311 vs 1.2738: Choosing the Right Prehardened Mold Steel
Both are prehardened P20-family mold steels. The nickel in 1.2738 decides the question — here is when it matters and when 1.2311 is enough.
H13 Heat Treatment Basics: Hardening and Tempering for Die Casting Dies
A practical overview of the H13 (1.2344 / SKD61) hardening cycle — austenitizing, quenching and the double temper that die shops actually run.
Steel Grade Equivalents: How Cross-Standard Substitution Really Works
DIN, AISI, JIS and GB grade names for "the same" steel are rarely identical. This guide explains what equivalent means, where the traps are, and how to substitute safely.