1095 Steel – Hardness of Steel Premium Quality 1095 steel is among the most favored materials to make a Samurai sword This carbon steel has a high value due to its extreme hardness and edge retention This is based on the hardness test as stated on a number on the Rockwell C scale or HRC This measurement scale tests each steel and gives it aAISI 1095 carbon steel can be annealed at 9°C (1650°F) followed by slowly cooling in the furnace Tempering AISI 1095 carbon steel can be tempered at 372 to 705°C (700 to 1300°F) It has Rockwell C 55 hardness Hardening AISI 1095 carbon steel can be hardened by cold working or heat treatment Applications AISI 1095 carbon steel can be This makes a good comparison point because we can avoid plate martensite to see if that is the cause of improved toughness in bainite 1095 is a simple carbon steel with 095% carbon and small amounts of Mn and Si Steels like it have been around basically ever since the invention of steel O1 was the first "oil hardening" steel developed in 1905 which you can read about here Some of the steel I used was donated by Alpha Knife Supply and New Jersey Steel Baron 1095

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