Description
Technical Specifications
Structure Steel (Grade) | Mild Steel GB/T 700: Q235B, Q235C, Q235D High Tensile Steel GB/T1591:Q345B, Q345C, Q3455DMild Steel ASTM A36 High Tensile Steel ASTM A572 Gr50Mild Steel: EN10025 S235JR, S235J0, S235J2 High Tensile Steel EN10025: S355JR, S355J0, S355J2 |
Structure Steel (Design Wind Speed) | Up to 250 km/h |
Structure Steel (Allowable Deflection) | 0.5 degree to 1.0 degree at operational speed |
Structure Steel (Tension Strength) | Mild Steel 360 Mpa to 510 Mpa High Tensile Steel 470 Mpa to 630 Mpa |
Structure Steel (Yield Strength (t≤16 mm) | Mild Steel 355 Mpa High Tensile Steel: 235 Mpa |
Structure Steel (Elongation) | Mild Steel: 20 % High Tensile Steel: 24 % |
Structure Steel (Impact Strength KV (J)) | Mild Steel: 27 (20 °C) —Q235B(S235JR) High Tensile Steel: 27 (20°C) —Q345B(S355JR) Mild Steel: 27 (0 °C) —Q235C(S235J0) High Tensile Steel: 27 (0 °C) —Q345C(S355J0) Mild Steel: 27 (- 20 °C) —Q235D(S235J2) High Tensile Steel: 27 (- 20 °C) —Q345D(S355J2) |
Bolts & Nuts (Grade) | Grade 4.8, 6.8, 8.8 |
Welding (Method) | CO2 Shielded Arc Welding & Submerged Arc Welding (SAW) |
Welding (Standard) | AWS D1.1 |
Marking (Method Of Marking Of The Members) | Hydraulic Press Stamping |
Galvanizing (Galvanization Standard Of Steel Sections) | ISO 1461 or ASTM A123 |
Galvanizing (Galvanization Standard Of Bolts And Nuts) | ISO 1461 or ASTM A153 |
Test (Factory Test) | Tensile test, Elements analysis, Sharpy test (impact test), Cold Bending, Preece test, Hammer test |