EN 10210 Steel Profiles - Hot Rolled Hollow Non-Alloy and Fine Grain Structural Steels

The EN 10210 standard, a European standard, describes the requirements for hot rolled hollow unalloyed and fine grain structural steel profiles.

Under the main heading "Steel sections - Hot rolled hollow non-alloy and fine grain structural steels", this standard consists of the following three parts:

• EN 10210-1 Part 1: Technical delivery conditions
• EN 10210-2 Part 2: Tolerances, dimensions and section properties
• EN 10210-3 Part 3: Technical delivery conditions for high-strength and weather-resistant steels

The EN 10210-1 standard describes technical delivery conditions for hot-finished hollow sections of circular, square, rectangular or elliptical shape. This standard includes the following applications:

• Hot formed hollow sections with or without heat treatment
• Cold formed hollow sections by subsequent heat treatment to achieve metallurgical conditions equivalent to those obtained in the hot formed product

Requirements for tolerances, dimensions and cross-section properties are contained in the EN 10210-2 standard. A number of material classes are specified in this standard and the user has to determine the quality suitable for the intended use and service conditions.

The quality and mechanical properties of the finished hollow sections comply with EN 10025-2 and EN 10025-3 standards (TS EN 10025 Hot rolled structural steels standard).

The EN 10210-2 standard describes tolerances for hot-worked circular, square, rectangular and elliptical structural hollow sections manufactured in wall thicknesses up to 120 mm in the following size ranges:

• Circular: outer diameters up to 2 500 mm
• Square: External dimensions up to 800 mm x 800 mm
  Rectangular outer dimensions up to 750 mm x 500 mm
• Elliptical: External dimensions up to 500 mm x 250 mm

Formulas for calculating the section properties to be used for structural design purposes of sections manufactured according to the dimensional tolerances of this standard are in the annex to the standard (Annex A). Dimensions and section specifications for a limited size range are in Appendix B.

The EN 10210-3 standard regulates the technical delivery conditions for high-strength and weather-resistant steels.

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