Hot-rolled common ST44-2 I-beam steel, also known as transfection, and the cross-section of the strip-shaped steel. Its cross-sectional dimension to waist high (h) × waist thick (d), expressed as the number of millimeters. Ordinary hot-rolled ST44-2 I-bea

Common ST37-2 I-beam and light ST37-2 I-beam edge of the wing root cause gradual thinning, angled. Common ST37-2 I-beam and light ST37-2 I-beam model is with its high waist centimeters arabic numerals, different web and flange thickness and flange width s

As ST52-3 I-beam΄s name suggests, ST52-3 I-beam is a kind of "workers" shaped cross-section steel, and the inner surface of the upper and lower flange inclination is generally 1: 6, resulting in ST52-3 I-beam cross section in the main characteristics of