Q355B Angle Steel Beam
Q355 steel is China's low alloy high-strength structural steel, the material density is 7.85 g/cm3. Q355 is divided into three quality grades: Q355B, Q355C and Q355D. Q355B Angle steel is commonly used in a variety of architectural and engineering structures, such as beams, bridges, transmission towers, lifting and transporting machinery, ships, industrial furnaces, reaction towers, vessel racks and warehouse shelves.
GNEE Group is a company with 16 years of experience in steel export. The Q355B angle steel iron we produce and sell can meet the needs of a variety of industries. If you have ordering needs, please contact us.
q355B angle iron chemical composition
| Steel Grade | Quality Grade | C % (≤) | Si % (≤) | Mn (≤) | P (≤) | S (≤) | Cr (≤) | Ni (≤) | Cu (≤) | N (≤) |
| Q355 | Q355B | 0.24 | 0.55 | 1.6 | 0.035 | 0.035 | 0.30 | 0.30 | 0.40 | 0.012 |
| Q355C | 0.20 | 0.030 | 0.030 | 0.012 | ||||||
| Q355D | 0.20 | 0.025 | 0.025 | – |
q355B metal angle iron mechanical property
| Yield Strength (≥N/mm2), Thickness or Dia. (d) in mm | ||||||||||
| Steel Grade | Quality Level | d≤16 | 16< d ≤40 | 40 < d ≤63 | 63 < d ≤ 80 | 80< d ≤ 100 | 100< d≤ 150 | 150 < d≤ 200 | 200 < d ≤ 250 | 250 < d ≤ 400 |
| Q355 | Q355B | 355 | 345 | 335 | 325 | 315 | 295 | 285 | 275 | – |
| Q355C | – | |||||||||
| Q355D | 265 | |||||||||
| Tensile Strength (N/mm2), Dia. (d) mm | |||||
| Steel Grade | Quality Level | d≤100 | 100 < d ≤ 150 | 150 < d ≤ 250 | 250 < d ≤ 400 |
| Q355B,C,D | Q355B | 470 – 630 | 450 – 600 | 450 – 600 | – |
| Q355C | – | ||||
| Q355D | 450 – 600 | ||||
q355B steel angle iron Sizes
| Size in mm | Average Weight | |
| KG/MTR | KG/FT | |
| 25 x 25 x 3 | 1.10 | 0.30 |
| 25 x 25 x 4.5 | 1.60 | 0.49 |
| 25 x 25 x 5 | 1.80 | 0.50 |
| 25 x 25 x 6 | 2.10 | 0.60 |
| 30 x 30 x 3 | 1.40 | 0.40 |
| 35 x 35 x 3 | 1.60 | 0.50 |
| 35 x 35 x 4 | 2.10 | 0.60 |
| 35 x 35 x 5 | 2.60 | 0.80 |
| 37 x 37 x 3 | 1.70 | 0.50 |
| 40 X 40 X 3 | 1.80 | 0.055 |
| 40 x 40 x 4 | 2.40 | 0.70 |
| 40 x 40 x 5 | 3.00 | 0.90 |
| 40 x 40 x 6 | 3.50 | 1.10 |
| 45 x 45 x 4 | 2.70 | 0.80 |
| 45 x 45 x 5 | 3.40 | 1.00 |
| 45 x 45 x 6 | 4.00 | 1.22 |
| 50 x 50 x 3 | 2.30 | 0.70 |
| 50 x 50 x 4 | 3.00 | 0.90 |
| 50 x 50 x 5 | 3.80 | 1.20 |
| 50 x 50 x 6 | 4.50 | 1.40 |
| 50 x 50 x 8 | 5.84 | 1.78 |
| 55 x 55 x 4 | 3.30 | 1.00 |
| 55 x 55 x 5 | 4.10 | 1.30 |
| 60 x 60 x 4 | 3.70 | 1.10 |
| 60 x 60 x 5 | 4.50 | 1.40 |
| 60 x 60 x 6 | 5.40 | 1.64 |
| 65 x 65 x 4 | 4.00 | 1.20 |
| 65 x 65 x 5 | 4.90 | 1.50 |
| 65 x 65 x 6 | 5.80 | 1.80 |
| 65 x 65 x 8 | 7.70 | 2.40 |
| 65 x 65 x 10 | 9.40 | 2.90 |
| 65 x 65 x 12 | 11.80 | 3.60 |
| 70 x 70 x 7 | 7.38 | 2.25 |
| 75 x 75 x 5 | 5.70 | 1.70 |
| 75 x 75 x 6 | 6.80 | 2.10 |
| 75 x 75 x 8 | 8.90 | 2.70 |
| 75 x 75 x 10 | 11.0 | 3.40 |
| 75 x 75 x 12 | 13.1 | 4.00 |
| 80 x 80 x 6 | 7.20 | 2.19 |
| 80 x 80 x 7 | 7.90 | 2.90 |
| 80 x 80 x 8 | 9.60 | 2.90 |
| 90 x 90 x 6 | 8.20 | 2.50 |
| 90 x 90 x 7 | 9.50 | 2.90 |
| 90 x 90 x 8 | 10.80 | 3.10 |
| 90 x 90 x 10 | 13.40 | 4.10 |
| 98 x 98 x 9.5 | 13.09 | 3.99 |
| 100 x 100 x 6 | 9.20 | 2.80 |
| 100 x 100 x7 | 10.7 | 3.30 |
| 100 x 100 x 8 | 12.10 | 3.70 |
| 100 x 100 x 10 | 14.90 | 4.50 |
| 100 x 100 x 12 | 17.70 | 5.40 |
| 110 x 110 x 8 | 13.40 | 4.08 |
| 110 x 110 x10 | 16.50 | 5.03 |
| 110 x 110 x 12 | 19.6 | 5.97 |
| 130 x 130 x 8 | 15.9 | 4.85 |
| 130 x 130 x 10 | 19.7 | 6.01 |
| 130 x 130 x 12 | 23.4 | 7.13 |
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