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螺旋管尺寸和標準試驗壓力

規定外徑D Specified outside diameter		規定壁厚t mm Specified thickness	最低試驗壓力
規定外徑D Specified outside diameter			鋼級
in	mm		L210 (A)	L245 (B)	L290 (X42)	L320 (X46)	L360 (X52)	L390 (X56)	L415 (X60)	L450 (X65)	L485 (X70)	L555 (X80)
8-5/8	219.1	5.0 7.0 10.0 13.0	5.8 8.1 11.5 15.0	6.7 9.4 13.4 17.4	9.9 13.9 19.9 20.7	11.0 15.3 20.7 20.7	12.3 17.3 20.7 20.7	13.4 18.7 20.7 20.7	14.2 19.9 20.7 20.7	15.4 20.7 20.7 20.7	16.6 20.7 20.7 20.7	19.0 20.7 20.7 20.7
9-5/8	244.5	5.0 7.0 10.0 13.0	5.2 7.2 10.3 13.4	6.0 8.4 12.0 15.6	10.1 14.1 20.2 20.7	11.1 15.6 20.7 20.7	12.5 17.5 20.7 20.7	13.6 19.0 20.7 20.7	14.4 20.2 20.7 20.7	15.6 20.7 20.7 20.7	16.9 20.7 20.7 20.7	19.3 20.7 20.7 20.7
10-3/4	273.1	5.0 7.0 10.0 13.0	4.6 6.5 9.2 12.0	5.4 7.5 10.8 14.0	9.0 12.9 18.1 20.7	10.1 13.9 19.9 20.7	11.2 15.7 20.7 20.7	12.1 17.0 20.7 20.7	12.9 18.1 20.7 20.7	14.0 19.6 20.7 20.7	15.4 20.7 20.7 20.7	17.3 20.7 20.7 20.7
12-3/4	323.9	5.0 7.0 10.0 14.0	3.9 5.5 7.8 10.9	4.5 6.4 9.1 12.7	7.6 10.7 15.2 20.7	8.4 11.8 16.8 20.7	9.4 13.2 18.9 20.7	10.2 14.3 20.5 20.7	10.9 15.2 20.7 20.7	11.8 16.5 20.7 20.7	12.7 17.8 20.7 20.7	14.6 20.4 20.7

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