Limestone Quarry Plant

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QCCO was approved as a member of “China Association for Contracting Projects Abroad “and granted a membership certificate on Sep 28,2005; “Credibility Rating AAA certificate in Foreign Trade” was granted to QCCO by China Shippers’ Association

 
 

Spiral welded pipe nominal diameter, nominal wall thickness

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Spiral submerged arc welded pipe nominal diameter, nominal wall thickness and unit length

Spiral welded pipe

Nominal diameter
Nominal wall thickness
 
 
6.0
7.0
8.0
9.0
10.0
11.0
12.0
13.0
14.0
15.0
16.0
18.0
20.0
22.0
mm
in
 
219.1
8-5/8
31.53
36.61
41.65
 
 
 
 
 
 
 
 
 
 
 
273.1
10-3/4
39.52
45.94
52.30
 
 
 
 
 
 
 
 
 
 
 
323.9
12-3/4
47.04
54.71
62.32
69.89
77.41
 
 
 
 
 
 
 
 
 
(325)
 
47.20
54.90
62.54
70.14
77.68
 
 
 
 
 
 
 
 
 
355.6
14
51.73
60.18
68.58
76.93
85.23
 
 
 
 
 
 
 
 
 
(377.0)
 
54.89
63.87
72.80
81.67
90.50
 
 
 
 
 
 
 
 
 
406.4
16
59.25
68.95
78.60
88.20
97.76
107.26
116.72
 
 
 
 
 
 
 
(426.0)
 
62.41
72.33
82.46
92.55
102.59
112.58
122.51
 
 
 
 
 
 
 
457
18
66.73
77.68
88.58
99.44
110.24
120.99
131.69
 
 
 
 
 
 
 
(478.0)
 
69.84
81.30
92.72
104.09
115.41
126.69
137.90
 
 
 
 
 
 
 
508.0
20
74.28
86.49
98.65
110.75
122.81
134.82
146.79
158.69
170.56
 
 
 
 
 
(529.0)
 
77.38
90.11
102.78
115.40
127.99
140.52
152.99
165.43
177.80
 
 
 
 
 
559.0
22
81.82
95.29
108.70
122.07
135.38
148.65
161.88
175.04
188.17
 
 
 
 
 
610.0
24
89.37
104.10
118.77
133.39
147.97
162.48
176.97
191.40
205.78
 
 
 
 
 
(630.0)
 
92.33
107.54
122.71
137.83
152.90
167.92
182.89
197.81
212.68
 
 
 
 
 
660.0
26
96.77
112.73
128.63
144.48
160.30
176.05
191.77
207.43
223.04
 
 
 
 
 
711.0
28
104.32
121.53
138.70
155.81
172.88
189.89
206.86
223.78
240.65
257.47
274.24
 
 
 
(720.0)
 
105.65
123.09
140.47
157.81
175.10
192.34
209.52
226.66
243.75
260.80
277.79
 
 
 
762.0
30
111.86
130.34
148.76
167.13
185.45
203.73
221.95
240.13
258.26
276.33
294.36
 
 
 
813.0
32
119.41
139.14
158.82
178.45
198.03
217.56
237.05
256.48
275.86
295.20
314.48
 
 
 
(820.0)
 
12.45
140.35
160.20
180.00
199.76
219.46
239.12
258.72
278.28
297.79
317.25
 
 
 
864.0
34
 
147.94
168.88
189.77
210.61
231.40
252.14
272.83
293.48
314.06
334.61
 
 
 
914.0
39
 
 
178.75
200.87
222.94
244.96
266.94
288.86
310.73
332.56
354.34
 
 
 
(920.0)
 
 
 
179.93
202.20
224.42
246.59
268.70
290.78
312.79
334.78
356.68
 
 
 
965.0
38
 
 
188.81
212.19
235.52
258.80
282.03
305.21
328.34
351.43
374.46
 
 
 
1016.0
40
 
 
198.87
223.51
248.09
272.63
297.12
321.56
345.95
370.29
394.58
443.02
 
 
(1020.0)
 
 
 
199.66
224.39
249.08
273.72
298.31
322.84
347.33
371.77
396.16
444.77
 
 
1067.0
42
 
 
208.93
234.83
260.67
286.47
312.21
337.91
363.56
389.16
414.71
465.66
 
 
1118.0
44
 
 
218.99
246.15
273.25
300.30
327.31
354.26
371.17
408.02
434.83
488.30
 
 
1168.0
46
 
 
228.86
257.24
285.58
313.87
342.10
370.29
398.43
426.52
454.56
510.49
 
 
1219.0
48
 
 
238.92
268.56
298.16
327.70
357.20
386.64
416.04
445.39
474.68
553.13
 
 
(1220.0)
 
 
 
239.12
268.79
298.40
327.97
357.49
386.96
416.38
445.76
475.08
533.58
 
 
1321.0
52
 
 
 
291.20
323.31
327.97
387.38
419.34
451.26
483.12
514.93
578.41
 
 
(1420.0)
 
 
 
 
 
347.72
355.37
416.66
451.08
485.41
519.74
553.96
622.32
690.52
 
1422.0
56
 
 
 
 
348.22
382.23
417.27
451.72
486.13
520.48
554.79
623.25
691.51
759.58
1524.0
60
 
 
 
 
373.38
410.44
447.46
484.43
521.34
558.21
595.03
668.52
741.82
814.91
(1620.0)
 
 
 
 
 
397.03
436.48
457.84
515.20
554.46
593.73
623.87
711.11
789.12
867.00
1626.0
64
 
 
 
 
398.53
438.11
477.64
517.13
556.56
595.95
635.28
713.80
792.13
810.26
1727.0
68
 
 
 
 
423.44
465.51
507.53
549.51
591.43
633.31
675.13
758.64
841.94
925.05
(1820.0)
 
 
 
 
 
446.37
490.74
535.06
579.32
623.50
667.71
711.79
799.92
887.81
975.51
1829.0
72
 
 
 
 
 
493.18
 
 
626.65
671.04
714.20
803.92
890.77
980.39
1930.0
76
 
 
 
 
 
 
 
 
661.52
708.40
755.23
848.75
942.07
1035.19
(2020.0)
 
 
 
 
 
 
 
 
 
692.60
741.69
790.75
888.70
986.41
1084.02
2032.0
80
 
 
 
 
 
 
 
 
696.74
746.13
795.48
894.03
992.38
1090.53
(2220.0)
 
 
 
 
 
 
 
 
 
761.65
815.68
869.66
977.50
1085.80
1192.53
(2420.0)
 
 
 
 
 
 
 
 
 
 
 
948.58
1066.26
1183.75
1301.04
(2540.0)
100
 
 
 
 
 
 
 
 
 
 
995.93
1119.53
1242.94
1366.15
(2845.0)
112
 
 
 
 
 
 
 
 
 
 
1116.28
1254.93
1393.37
1531.63
1, the agreement between the available supply between this table nominal diameter and nominal wall thickness between the size and pipe. 
2, this table bracketed nominal diameter pipe diameters are reserved.

 

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