關於「en41b heat treatment」標籤，搜尋引擎有相關的訊息討論：

41CrAlMo7 905M31 1.8509 EN41B 40CAD6.12 Nitriding Steel -Annealing:Heat slowly to 650-700°C. Cool in air. Hardening:EN41B Nitriding Steel is supplied ready heat treated. If further heat treatment is required annealed ...缺少字詞： gl= tw[PDF] DNVGL-OS-B101 Metallic materials - Rule