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Nippon Koshuha / Japan

OU-31

Stainless Steel59–61 HRCConventional Ingot Steel Process

化学成分分析

主要合金元素决定了这款钢在耐磨、耐蚀与韧性之间的基本走向。

材质综述

OU-31 is a Japanese stainless steel produced by Takefu Special Steel, designed for cutlery applications requiring balanced overall performance. It provides a fine grain structure that supports keen edges, reliable corrosion resistance, and good toughness. The steel is appreciated for its smooth sharpening characteristics and practical balance between durability and cutting performance, making it suitable for both professional and everyday knife use.

性能雷达图

用四个核心维度快速看清这款钢材的能力边界。

保持性
韧性
耐腐蚀
易打磨
保持性
8.0
韧性
8.0
耐腐蚀
8.0
易打磨
8.0

优点

  • Fine grain structure for sharp edges
  • Good corrosion resistance
  • Balanced toughness and hardness
  • Easy to sharpen and maintain
  • Reliable everyday cutting performance

缺点

  • Edge retention lower than premium PM steels
  • Moderate wear resistance
  • Less suited for extreme hard-use applications

一句话判断

OU-31 is a balanced Japanese stainless steel offering good sharpness, corrosion resistance, toughness, and ease of sharpening, commonly used in quality kitchen and utility knives.