輕軌GB/T 11264-1989
| 鋼軌型號(hào)(kg/m) | 截面尺寸(mm) | 端部尺寸(mm) | 截面面積(cm^2) | 理論重量(kg/m) | 重心距離c(cm) | 重心距離e(cm) | 慣性矩 | 截面系數(shù) | 回轉(zhuǎn)半徑 | |||||||||||
| 軌高A | 底寬B | 頭寬C | 頭高D | 腰高E | 腰厚t | R1 | r | R | 底高F | S1 | S2 | φ | I\cm^4 | Z\cm^3 | i\cm | |||||
| — | QGDA | QGDB | QGDC | QGDD | QGDE | QGXT | QGDR1 | QGXR | — | — | — | — | — | — | — | — | — | — | — | — |
| 9 | 63.5 | 63.5 | 32.1 | 17.48 | 35.72 | 5.9 | 4.76 | 6.35 | 304.8 | 10.3 | 50.8 | 101.6 | 16 | 11.39 | 8.91 | 3.09 | 3.26 | 62.41 | 19.1 | 2.33 |
| 12 | 69.85 | 69.35 | 38.1 | 19.85 | 37.7 | 7.54 | 6.35 | 6.35 | 304.8 | 12.3 | 50.8 | 101.6 | 16 | 15.54 | 12.2 | 3.4 | 3.59 | 98.82 | 27.6 | 2.51 |
| 15 | 79.37 | 79.37 | 42.86 | 22.22 | 43.65 | 8.33 | 6.35 | 7.94 | 304.8 | 13.5 | 50.8 | 101.6 | 20 | 19.33 | 15.2 | 3.89 | 4.05 | 156.1 | 38.6 | 2.83 |
| 22 | 93.66 | 93.66 | 50.8 | 26.98 | 50 | 10.72 | 6.35 | 7.94 | 304.8 | 6.67 | 63.5 | 127 | 24 | 28.39 | 22.3 | 4.52 | 4.85 | 339 | 69.6 | 3.45 |
| 30 | 107.95 | 107.95 | 60.33 | 30.95 | 17.55 | 12.3 | 6.35 | 7.94 | 304.8 | 19.45 | 60.5 | 127 | 24 | 38.32 | 30.1 | 5.21 | 5.59 | 606 | 108 | 3.98 |
|
鋼類(lèi) |
牌號(hào) |
型號(hào) |
化學(xué)成分(%) |
力學(xué)性能 |
|||||||
|
/kg·m-1 |
C(碳) |
Si(硅) |
Mn(錳) |
P(磷) |
S(硫) |
Cu(銅) |
抗拉強(qiáng)度 |
硬度 |
落錘試驗(yàn) |
||
|
σb/MPa |
HB |
||||||||||
|
碳素鋼 |
50Q |
≤12 |
0.35~0.60 |
0.15~0.35 |
≥0.40 |
≤0.045 |
≤0.050 |
≤0.40 |
— |
— |
— |
|
55Q |
≤12 |
0.50~0.60 |
0.15~0.35 |
0.60~0.90 |
≤0.045 |
≤0.050 |
≤0.40 |
— |
— |
— |
|
|
15~30 |
0.50~0.60 |
0.15~0.35 |
0.60~0.90 |
≤0.045 |
≤0.050 |
≤0.40 |
≥685 |
≥197 |
不斷不裂(落錘高2.9m) |
||
|
低合金鋼 |
45SiMnP |
≤12 |
0.35~0.55 |
0.50~0.80 |
0.60~1.00 |
≤0.12 |
≤0.050 |
≤0.40 |
— |
— |
— |
|
50SiMnP |
≤12 |
0.45~0.58 |
0.50~0.80 |
0.60~1.00 |
≤0.12 |
≤0.050 |
≤0.40 |
— |
— |
— |
|
|
15~30 |
0.45~0.58 |
0.50~0.80 |
0.60~1.00 |
≤0.12 |
≤0.050 |
≤0.40 |
≥685 |
≥197 |
不斷不裂(落錘高：22kg/m為4.4m，30kg/m為5.0m) |
||
|
36CuCrP |
15~30 |
0.31~0.42 |
0.50~0.80 |
0.60~1.00 |
0.02~0.06 |
≤0.040 |
0.10~0.30 |
≥785 |
≥220 |
||
|
Cr0.80~1.20 |
|||||||||||
注：
1.表中理論重量是按密度為7.85g/cm^3計(jì)算的。
2.長(zhǎng)度尺寸系列： 8.0m、9.0m、10.0m。
