钢型材
L 40x40x4
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 40x40x4 · L40x40x4
- 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 | 2.42 | kg/m |
| A | 308.00 | mm² |
| h = b | 40 | mm |
| t | 4 | mm |
| r | 6 | mm |
| C_x = C_y [GOST] | 11.20 | mm |
| C_u [GOST] | 28.30 | mm |
| C_v [GOST] | 15.80 | mm |
| I_x = I_y [GOST] | 0.0447 | 10⁶ mm⁴ |
| r_x = r_y [GOST] | 12.10 | mm |
| Z_x = Z_y [GOST] | 1.55 | 10³ mm³ |
| I_u [GOST] | 0.0709 | 10⁶ mm⁴ |
| r_u [GOST] | 15.20 | mm |
| I_v [GOST] | 0.0186 | 10⁶ mm⁴ |
| r_v [GOST] | 7.770 | mm |
| Z_v [GOST] | 1.17 | 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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