310S High Temp H – Beam

150×150×8mm, heat treatment furnace support

310S High-Temperature H-Beam (standard GB/T 11263-2017, 06Cr25Ni20 austenitic stainless steel) contains high Cr and Ni (Cr 24–26%, Ni 19–22%).

  • High-Temperature Oxidation Resistance

    Maintains structural stability at 1100 °C, superior to 304 steel.

  • High-Temperature Strength

    Tensile strength ≥200 MPa at 800 °C; suitable for heat-loaded components.

  • Thermal Shock Resistance

    Thermal expansion coefficient 15.9×10⁻⁶/°C; suitable for rapid temperature changes.

Product Specifications

Chemical Composition (GB/T 1220-2007)
Element C ≤ Si ≤ Mn ≤ P ≤ S ≤ Cr Ni
Content % 0.08 1.5 2 0.035 0.03 24.0–26.0 19.0–22.0
Physical & Chemical Properties
  • Physical Properties: Density 7.98 g/cm³, melting point 1398–1454 °C, thermal conductivity 14.2 W/(m·K) (20 °C).

  • Mechanical Properties (Room Temperature): Tensile strength ≥520 MPa, elongation ≥40%, yield strength ≥100 MPa at 800 °C.

  • Chemical Properties: Excellent oxidation resistance in high-temperature furnace gas; resistant to sulfide corrosion.

Specifications & Supply Dimensions

Cross-section sizes (GB/T 11263-2017):

Model (H×B×t1×t2) Height H (mm) Width B (mm) Web Thickness t1 (mm) Flange Thickness t2 (mm) Theoretical Weight (kg/m)
HW100×100 100 100 6 8 17.29
HW200×200 200 200 8 12 50.53
  • Length: Standard 6 m, customizable up to 12 m, tolerance ±10 mm.

  • Surface: Hot-rolled black skin (suitable for high-temperature applications), optional high-temperature anti-oxidation coating.

Pricing Calculation

Workshop & Manufacturing Machine

Stainless Steel Profiles on Storage Racks

Spectrometer for Alloy Composition Analysis

Profile Weighing with Crane Scale

Factory Stacking of Stainless Steel Profiles

Packaged Stainless Steel Profiles for Shipment

Worker Loading Profiles onto Truck

Product Applications

  • Industrial Furnaces

    Furnace beam for heat treatment furnace (HW200×200, used 5 years at 1100 °C without deformation).

  • Thermal Power

    Superheater support beam (HW100×100, 850 °C steam environment, high-temperature oxidation resistant).

FAQ

What is 310S high temperature H beam used for?

It is designed for structural applications exposed to high temperatures, offering excellent oxidation and scaling resistance.

What temperature range can 310S H beams handle?

310S H beams can operate continuously at temperatures up to approximately 1100°C.

What industries commonly use high-temperature H beams?

Furnace construction, petrochemical plants, power generation, and thermal processing facilities.

How does 310S H beam compare to carbon steel beams?

310S provides superior heat and corrosion resistance, making it suitable for extreme environments.

Can 310S H beams be supplied in custom lengths?

Yes. Custom lengths and inspection requirements can be accommodated.

Select Your Language