Q420 HM CARBON STEEL H BEAM Introduction
Q420 HM CARBON STEEL H BEAM is a Chinese steel grade of Low Alloy High Strength Structural Steel, Yield Strength is 420 MPa, parameters are tested with 16mm diameter steel bars or steel plates, and tensile strength is 520-680 Mpa, the material density is 7.85 g/cm3. According to GB/T 1591-2008, Q420 has 5 quality levels: Q420A, Q420B, Q420C, Q420D and Q420E. For Q420 steel equivalent, chemical composition and mechanical properties, please see the tables below content.
Q420 HM CARBON STEEL H BEAM Introduction:
| Keywords | Q420 HM CARBON STEEL H BEAM | |
| H beam Dimensions | Length | 1000-15000mm,according to customer requirements |
| Thickness | web plate: 6-32mm | |
| wing plate: 6-40mm | ||
| Height | 200-1200mm | |
| Color | Painted,galvanized or as required | |
| Main components | Base | Cement and steel foundation bolts |
| Main frame | H beam/I beam | |
| Steel material | Structural steel Q235B，SM490，SS400，Q345B or others as buyers' requests. | |
| Purlin | C or Z purlin: Size from C120~C320, Z100~Z20 | |
| Bracing | X-type or other type bracing made from angle, round pipe | |
| Bolt | Plain bolt and High-strenth bolt | |
| Roof & wall | Sandwich panel or color corrugated steel sheet | |
| Door | Sliding door,roll-up shutter door or walk door | |
| Window | Aluminium alloy window | |
| Surface | Two lays of Anti-rust Painting or Hot Dip Galvanized | |
| Sheet | 0.5mm or 0.6mm galvanized sheet | |
Q420 HM CARBON STEEL H BEAM is a kind of Economic section steel, which sectional area distribution is more optimized, the ratio of strength to weight is more reasonable, Mechanical properties of section is more better.It is developed from the I-section steel optimization of a better section mechanical properties of the economic section steel, because its section is same as the English letter "H" ,so be named as H-Beam. Because the various part of H-beam is arranged at right angles, H-beam has the advantages of strong bending resistance, simple construction, cost saving and light structural weight in all directions, so it has been widely used.
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