The difference between European standard I-beam and national standard I-beam
European standard I-beam and national standard I-beam are two different standard I-beam products, and there are certain differences in their specifications, size, performance, etc. Below, we will analyze the differences between these two types of I-beams in detail.
1. Standards**.
European standard I-beams refer to I-beams produced in accordance with European standards (e.g., EN 10025), while national standard I-beams are I-beams produced in accordance with Chinese national standards (e.g., GB T 11263). These two standards differ in terms of material composition, mechanical properties, dimensional tolerances, etc., so the I-beam products produced will also be different.
2. Size and specifications.
There are certain differences in the size and specifications between the European standard I-beam and the national standard I-beam. The cross-sectional size of the European standard I-beam is usually larger, and the waist thickness is also increased accordingly, which makes it have better bending resistance and bearing capacity. The cross-sectional size of the national standard I-beam is relatively small and the waist thickness is relatively thin, which is suitable for some occasions with low requirements for bearing capacity.
3. Material composition.
European standard I-beams and national standard I-beams are also different in terms of material composition. European standard I-beams are usually made of low-carbon alloy steel, which has high strength and toughness, and can meet high load-bearing requirements. The national standard I-beam may use ordinary carbon structural steel, which has relatively low strength and toughness, and is suitable for some occasions with low requirements for material properties.
Fourth, mechanical properties.
Due to the differences in material composition and size specifications, the mechanical properties of European standard I-beams and national standard I-beams are also different. European standard I-beams have high yield strength, tensile strength and elongation, which can meet high load-bearing requirements. The national standard I-beam may have low mechanical properties and is suitable for some occasions with low requirements for bearing capacity.