Tianjin Lefin Industrial Co., Ltd is one of the most experienced manufacturers and suppliers of as/nzs1163 hollow section in China. Please feel free to buy high quality as/nzs1163 hollow section from our factory. Good service and reasonable price are available.
HOLLOW STRUCTURAL SECTION AS/NZS 1163
AS/NZS 1163 "Cold-formed structural steel hollow sections".
The tolerances on dimensions are established in accordance with AS/NZS 1163.
| Characteristics | Tolerances | ||||
|---|---|---|---|---|---|
| External dimensions |  1%, with minimum of 0.5mm | ||||
| Thickness (t) | 10% | ||||
| Concavity / Convexity | Max. 0.8% or 0.5mm, whichever is greater | ||||
| Squareness of sides | 90 1 | ||||
| External corner profile | (Equivalent to 50x50 or less) | 1.5t to 3.0t | |||
| (Equivalent to greater than 50x50) | 1.8t to 3.0t | ||||
| Twist | 2mm+0.5mm/m in length | ||||
| Straightness | 0.15% of total length | ||||
| Mass per unit length | Not less than 0.96 times the specified mass on individual lengths | ||||
| Length | Mill (or 'unspecified') length | 0, +100mm | |||
| Precision length | |||||
L 6,000mm | 0, +5mm | ||||
6,000mm L10,000mm | 0, +15mm | ||||
| 10,000mm L | 0, +5mm+1mm/m | ||||
| NOTE 1)The External dimensions are measured across the flats at positions at least 50mm from the end of the HSS. | |||||
Hot Tags: as/nzs1163 hollow section, China, suppliers, manufacturers, factory, price, ASTM A53 WELDED STEEL PIPE, COLD FORMED STEEL PIPE, COLD ROLLED SQUARE TUBE, FOR CASING SAWL PIPE, Hot Finished Rectangular Hollow Sections, METAL BOX SECTION
