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Steel Plates Heat-Resistant Stainless
Steel Plates

Heat-resistant stainless steel is a stainless steel material designed to maintain strength and resist oxidation in high-temperature environments. It is used in equipment exposed to high-temperature gases or heat for extended periods and offers excellent oxidation resistance and thermal fatigue resistance. It is suitable for components used under high-temperature conditions, such as heat treatment furnaces, incineration facilities, boiler components, exhaust gas systems, and kiln-related equipment.

Types of Steel Handled

  • SUS309S
  • SUS310S
  • AH-4

Features

  • Maintains excellent oxidation resistance even in high-temperature environments
  • Resistant to thermal fatigue caused by repeated expansion and contraction
  • High durability during prolonged use
  • Helps suppress scaling (oxide scale flaking)

Chemical Properties (Typical Values)

Materials Specifications C Si Mn Cr Ni
SUS309S JIS ~0.08 ~1 ~2 22~24 12~15
SUS310S JIS ~0.08 ~1.5 ~2 24~26 19~22
AH-4 0.06 0.3 0.8 23 11.7

The photos shown are for illustrative purposes only.

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