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|
鋼種 |
力學性能 |
化學成分 | ||||||||
|
屈服強度 |
抗拉強度 |
伸長率 |
C |
Si |
Mn |
S |
P | |||
|
MPa |
kg/mm² |
MPa |
kg/mm² |
不大于 |
不大于 |
不大于 |
不大于 | |||
|
L245 |
245 |
|
415 |
|
21 |
0.26 |
|
1.15 |
0.030 |
0.030 |
|
L290 |
290 |
|
415 |
|
21 |
0.28 |
|
1.25 |
0.030 |
0.030 |
|
L360 |
360 |
|
460 |
|
19 |
0.3 |
|
1.25 |
0.030 |
0.030 |
|
名義尺寸
Nominal Size |
外徑
Outside Diameter |
壁厚
Wall Thickness |
平端管米重
Plain-end Weight | |||
|
inch |
mm |
inch |
mm |
lb/ft |
kg/m | |
|
0.405 |
0.405 |
10.29 |
0.095 |
2.4 |
0.31 |
0.47 |
|
0.54 |
0.54 |
13.72 |
0.088 |
2.2 |
0.43 |
0.62 |
|
0.54 |
13.72 |
0.119 |
3.0 |
0.54 |
0.79 | |
|
0.675 |
0.675 |
17.15 |
0.091 |
2.3 |
0.57 |
0.84 |
|
0.675 |
17.15 |
0.126 |
3.2 |
0.74 |
1.10 | |
|
0.84 |
0.84 |
21.34 |
0.109 |
2.8 |
0.85 |
1.28 |
|
0.84 |
21.34 |
0.147 |
3.7 |
1.09 |
1.61 | |
|
1.05 |
1.05 |
26.67 |
0.113 |
2.9 |
1.13 |
1.70 |
|
1.05 |
26.67 |
0.154 |
3.9 |
1.48 |
2.19 | |
|
1.315 |
1.315 |
33.4 |
0.133 |
3.4 |
1.68 |
2.52 |
|
1.315 |
33.4 |
0.179 |
4.6 |
2.17 |
3.21 | |
|
1.660 |
1.660 |
42.2 |
0.145 |
3.7 |
2.72 |
3.43 |
|
1.660 |
42.2 |
0.191 |
4.9 |
3.00 |
4.51 | |
|
1.900 |
1.660 |
42.2 |
0.382 |
9.7 |
5.22 |
7.77 |
|
1.900 |
48.3 |
0.145 |
3.7 |
2.72 |
4.07 | |
|
1.900 |
48.3 |
0.200 |
5.1 |
3.63 |
5.43 | |
|
1.900 |
48.3 |
0.400 |
10.2 |
6.41 |
9.58 | |
|
2 3/8 |
2.375 |
60.3 |
0.109 |
2.8 |
2.64 |
3.97 |
|
2.375 |
60.3 |
0.125 |
3.2 |
3.00 |
4.51 | |