二、輸送管產品執行標準：API SPEC 5L 、 GB/T9711.2
用途：用于天然氣、原油、成品油、水、煤漿、礦粉等介質的管道輸送
Ⅱ.Line pipes comply with API SPEC 5L and GB/T 9711.2
Usages: line pipes for transporting natural gas , crude oil, finished oil,water,coal slurry and mine powder.

	114.3	141.3	168.3	219.1	273.1	323.9	355.6
3.2					?
3.6
4.0
4.4
4.8
5.2
5.6
6.0
6.4
7.1
7.9
8.7
9.5
10.3
11.1
12.7
13.5
14.3

注: X80鋼級最大壁厚至12.7mm, X60鋼級最大壁厚至14.3mm.
Note: the biggest wall thickness of steel grade X80 is up to? 12.7mm and X60 is up to 14.3mm.

大口徑直縫埋弧焊管生產范圍

鋼管長度：8～12.2m(26.2-40ft)，材料等級：L245R--X70

外 徑		壁 厚（mm）
in	mm	6.4.	7.4.	7.9.	8.7.	9.7.	10.5	11.1	11.9	12.7	14.0	14.3	15.9	18.0	19.1	20.6	22.2	23.8	25.4	26.4	28.6	30.2	31.8	33.3	34.9	36.5	38.1
16	406.4
18	457.2
20	508.0
22	558.8
24	609.6
26	660.4
28	711.2
30	762.0
32	812.8
34	863.6
36	914.4
38	965.2
40	1016.0
42	1066.8
44	1117.6
46	1168.4
48	1219.2
52	1320.8
56	1422.4