| Standard | Grade* | Yield Strength | Tensile Strength | CHS | RHS & SHS | ||||
| MPa (min) | MPa (min) | <15 | 15-30 | >30 | <15 | 15-30 | >30 | ||
|---|---|---|---|---|---|---|---|---|---|
| AS/NZS 1163 | C250/C250L0 | 250 | 320 | 18 | 20 | 22 | 14 | 16 | 18 |
| C350/C350L0 | 350 | 430 | 16 | 18 | 20 | 12 | 14 | 16 | |
| C450/C450L0 | 450 | 500 | 12 | 14 | 16 | 10 | 12 | 14 | |
| Characteristic | Pipe (CHS) | Rectangular & Square (RHS / SHS) | |
|---|---|---|---|
| External dimensions (d, b, d0) | ±1% with minimum of ±0.5mm& maximum ±10% | ±1% with minimum of ±0.5mm | |
| Thickness (t) | d≤406.4mm | ±10% | ±10% |
| d>406.4mm | ±10% with max of ±2mm | ||
| All Sections has a mass not less than 96% of specified nominal mass | |||
| Characteristic | All Sections | |
|---|---|---|
| Corner Radius ≤50x50mm equivalent perimeter | 1.5t to 3t | |
| Corner Radius >50x50mm equivalent perimeter | 1.8t to 3t | |
| Twist (v) | ≤2mm ±0.5mm/m length | |
| Concavity / Convexity | Max 0.8% or 0.5mm, whichever is greater | |
| Squareness | 90 ± 1° | |
| Pipe (CHS) | Rectangle & Square (RHS/SHS) | |
| Straightness | 0.20% of total length | 0.15% of total length0.15% of total length |