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Which Stainless Steel Grades are Heat Resistant?

Certain types of stainless steel are well known for their heat-resistant properties and can be used in applications requiring high temperatures.

The most common heat-resistant grades of stainless steel are 309 and 310, which contain high levels of chromium and nickel and can withstand temperatures up to 2000°F (1093°C). Other grades, such as 321, 347, and 330, are good options for heat-resistance applications.

Which Stainless Steel Grades are Heat Resistant?

Grade 310 is particularly well suited to high-temperature environments as it has good oxidation resistance at temperatures up to 1040°C (1900°F).

Other grades, such as 309, tend to be less resistant but still suitable for applications where temperatures reach up to 900°C (1652°F).

304 and 430 are unsuitable for heat-resistant applications due to their lower chromium content.

Grade 316 is slightly better in this respect but should not be used in applications where temperatures exceed 800°C (1472°F).

High-temperature stainless steel sheet has good resistance to oxidation and corrosion because of the higher percentage of chromium and nickel; it has much better creep strength, can continue to work at high temperatures, and has good resistance to high temperatures.

Advantages of heat-resistant stainless steel sheet

Heat-resistant stainless steel has various advantages, making them ideal for applications requiring heat exposure. They are solid and durable and withstand high temperatures without developing significant issues such as oxidation or corrosion.

Which Stainless Steel Grades are Heat Resistant?

The higher chromium and nickel content makes the sheets resistant to creep at high temperatures.

Additionally, these sheets can maintain their strength and hardness even when exposed to high temperatures, ensuring they can withstand considerable pressure without buckling or warping.

Overall, stainless steel grades such as 309 and 310 are highly resistant to heat and can be used in applications where temperatures reach up to 2000°F (1093°C).

Which Stainless Steel Grades are Heat Resistant?

Physical characteristics

  • Hardness(HB) :≤187
  • Tensile strength(бb)(Mpa) :≥520
  • Yield strength(σs)(Mpa) :≥205
  • Elongation(δ)% :≥40
  • Area reduction(ψ)% :≥50