钢型材
L 70x70x7
以下列出了来源目录中的尺寸和技术特性。
型材名称写法: L 70x70x7 · L70x70x7
- 目录
- L Equal (GOST 8509-93 Annex A)
- 标准
- GOST 8509-93 Annex A (ISO 657-1:1989)
- 来源出版物
- GOST 8509-93 Annex A (ISO 657-1:1989)
尺寸、重量和技术特性
| 特性 | 数值 | 单位 |
|---|---|---|
| g | 7.38 | kg/m |
| A | 940.00 | mm² |
| h = b | 70 | mm |
| t | 7 | mm |
| r | 9 | mm |
| C_x = C_y [GOST] | 19.70 | mm |
| C_u [GOST] | 49.50 | mm |
| C_v [GOST] | 27.90 | mm |
| I_x = I_y [GOST] | 0.423 | 10⁶ mm⁴ |
| r_x = r_y [GOST] | 21.20 | mm |
| Z_x = Z_y [GOST] | 8.41 | 10³ mm³ |
| I_u [GOST] | 0.671 | 10⁶ mm⁴ |
| r_u [GOST] | 26.70 | mm |
| I_v [GOST] | 0.175 | 10⁶ mm⁴ |
| r_v [GOST] | 13.60 | mm |
| Z_v [GOST] | 6.28 | 10³ mm³ |
来源说明与更正
Annex A prints Iu=1220 and 1470 cm4 for 250x250x28 and 250x250x35. Original cells retained; effective Iu corrected to 12200 and 14700 cm4 by explicit user instruction, supported by the comparison source in valueCorrections. This is not an official GOST corrigendum.
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