Pressed rods
Pressed round bars | GOST21488-97 |
OST190395-91 | |
Pressed square rods | GOST21488-97 |
OST190395-91 | |
Pressed hexagonal rods | GOST21488-97 |
OST190395-91 | |
Pressed round bars obtained by the SPAT method * | GOST21488-97 |
Diameters: easily deformable alloys - 8 - 55 mm, hardly deformable alloys - 15 - 55 mm <
Alloys | |||
Hard to deform | Easily deformable | ||
Russian designation | Foreign analogue of EN 573-3 | Russian designation GOST 4784-74 | Foreign analogue of EN 573-3 |
A1 | 2017A | AD31 | 6060, 6063 |
Requirements for the geometric parameters of the bars | ||||||
Diameter | Permissible maximum deviations per diameter, mm | Ovality, mm | Straightness, mm | Maximum deviations for length, mm | Kosina reza, mm | |
300 m 1 m | 1 - 2m | 2 -5m | ||||
8-10 | 0 / - 0.09 | 0,045 | 0.6 2 | +5 | +7 | 1/2 length tolerance |
St. 10-18 | 0 / - 0.11 | 0,055 | 0.6 2 | +5 | +7 | |
St. 18-30 | 0 / - 0.13 | 0,065 | 0.6 2 | +5 | +7 | |
St. 30-38 | 0 / - 0.16 | 0.08 | 0.6 2 | +5 | +7 |
![Krasnoyarsk Metallurgical Plant Krasnoyarsk Metallurgical Plant](https://www.amasenergy.com/sites/default/files/styles/medium_thumbnail/public/company/2019-12/logo_1576246676_1576246778.jpg?itok=tR_V6C8z)