สเปค ท่อสตีม API มีตะเข็บ เกรดA เกรดB ท่อแรงดัน ท่อเหล็กแรงดันสูง Carbon Steel Pipes
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STANDARD ASTM A-53 SCHEDULE 40 GRADE A & B BLACK STEEL PIPE |
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Nominal |
Outside Diameter |
Wall Thickness |
Plan End |
Threads & Coupling |
Threads per |
Number of pieces |
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Pipe |
Calculated Weight |
Test Pressure |
Calculated Weight |
Test Pressure |
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Size |
Grade A |
Grade B |
Grade A |
Grade B |
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in |
in |
mm. | mm. |
lb. / ft. |
kg./m. |
psi(Mpa) |
psi(Mpa) |
lb./ft. |
kg./m. |
psi(Mpa) |
psi(Mpa) |
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1/2 |
0.840 |
21.3 |
2.77 |
0.85 |
1.27 |
700(4.83) |
700(4.83) |
0.85 |
1.27 |
700(4.83) |
700(4.83) |
14 |
169 |
3/4 |
1.050 |
26.7 |
2.87 |
1.13 |
1.69 |
700(4.83) |
700(4.83) |
1.13 |
1.69 |
700(4.83) |
700(4.83) |
14 |
127 |
1 |
1.315 |
33.4 |
3.38 |
1.68 |
2.50 |
700(4.83) |
700(4.83) |
1.68 |
2.50 |
700(4.83) |
700(4.83) |
11 1/2 |
91 |
1-1/4 |
1.660 |
42.2 |
3.56 |
2.27 |
3.39 |
1,200(8.27) |
1,300(8.96) |
2.28 |
3.40 |
1,000(6.89) |
1,100(7.58) |
11 1/2 |
61 |
1-1/2 |
1.900 |
48.3 |
3.68 |
2.72 |
4.05 |
1,200 (8.27) |
1,300 (8.96) |
2.73 |
4.04 |
1,000 (6.89) |
1,100 (7.58) |
11 1/2 |
44 |
2 |
2.375 |
60.3 |
3.91 |
3.65 |
5.44 |
2,300(15.86) |
2,500(17.24) |
3.68 |
5.46 |
2,300(15.86) |
2,500(17.24) |
11 1/2 |
37 |
2-1/2 |
2.875 |
73.0 |
5.16 |
5.79 |
8.63 |
2,500(17.24) |
2,500(17.24) |
5.82 |
8.67 |
2,500(17.24) |
2,500(17.24) |
8 |
24 |
3 |
3.500 |
88.9 |
5.49 |
7.58 |
11.29 |
2,220 (15.31) |
2,500 (17.24) |
7.62 |
11.35 |
2,200(15.31) |
2,500(17.24) |
8 |
19 |
3-1/2 |
4.000 |
101.6 |
5.74 |
9.11 |
13.57 |
2,030 (14.00) |
2,370 (16.34) |
9.20 |
13.71 |
2,000(13.75) |
2,400(16.55) |
8 |
14 |
4 |
4.500 |
114.3 |
6.02 |
10.79 |
16.07 |
1,900 (13.10) |
2,210 (15.24) |
10.89 |
16.23 |
1,900(13.10) |
2,200(15.17) |
8 |
14 |
5 |
5.563 |
141.3 |
6.55 |
14.62 |
21.77 |
1,670(11.51) |
1,950 (13.44) |
14.81 |
22.07 |
1,700(11.72) |
1,900(13.10) |
8 |
7 |
6 |
6.625 |
168.3 |
7.11 |
18.97 |
28.26 |
1,520(10.48) |
1,780 (12.27) |
19.18 |
28.58 |
1,500(10.34) |
1,800(12.41) |
8 |
7 |
8 |
8.625 |
219.1 |
8.18 |
28.58 |
42.55 |
1,340(9.20) |
1,570 (10.80) |
29.35 |
43.73 |
1,300 (9.00) |
1,600(11.00) |
8 |
5 |
10 |
10.750 |
273.0 |
9.27 |
40.52 |
60.29 |
1,220(8.40) |
1,430 (9.90) |
41.49 |
63.36 |
1,200 (8.30) |
1,400 (9.70) |
8 |
5 |
12 |
12.750 |
323.8 |
10.31 |
53.57 |
79.70 |
1,150 (7.90) |
1,340 (9.20) |
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14 |
14.000 |
355.6 |
11.13 |
63.50 |
94.55 |
1,130 (7.80) |
1,310 (9.00) |
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16 |
16.000 |
406.4 |
12.70 |
82.85 |
123.30 |
1,120 (7.70) |
1,310 (9.00) |
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18 |
18.000 |
457.0 |
14.27 |
104.76 |
155.87 |
1,520 (10.48) |
1,310 (9.00) |
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