200x200 Structural Steel H Beam with ±0.05mm Tolerance for Construction *, *::before, *::after {box-sizing: border-box; } * {margin: 0; } html, body ....
200mm H Structural Steel Beam Painted 4-60mm Web Width for Construction *, *::before, *::after {box-sizing: border-box; } * {margin: 0; } html, body ....
Q195 I Structural Steel Beams Material for Construction Projects *, *::before, *::after {box-sizing: border-box; } * {margin: 0; } html, body {height: ...