【No.258】How to Select Steel Materials When Developing New Products (6) (新製品を作る際の鋼材の選び方 (6))
【No.258】How to Select Steel Materials When Developing New Products (6) Many blacksmiths judge the temperature range of a heated knife by its color. 【No.258】新製品を作る際の鋼材の選び方 (6) 鍛冶職人さんの中には、熱した包丁の温度帯を色で判断している方も多いと思います。 Members-only content from this point forward. You can apply for membership here. … Read More