公称直径DN	外径(D)	公称壁厚			A系列	B系列	Sch5s	Sch10s	Sch20s	LG	Sch20	Sch30	STD	Sch40	Sch60	XS	Sch80	Sch100	Sch120	Sch140	Sch180		152025	21.326.933.7	182532	1.61.61.6	2.12.12.8	2.62.63.2	---	---	---	---	2.92.93.2	---	---	3.64.04.5	---	---	---	4.55.66.3		324050	42.448.360.3	384557	1.61.61.6	2.82.82.8	3.23.23.6	---	--3.2	---	---	3.63.64.0	---	---	5.05.05.6	---	---	---	6.37.18.8		658090	76.188.9101.6	7689-	2.02.02.0	3.03.03.0	3.64.04.0	---	4.54.54.5	---	---	5.05.65.6	---	---	7.18.08.0	---	---	---	10.011.012.5		100125150	114.3139.7168.3	108133159	2.02.92.9	3.03.43.4	4.05.05.0	---	5.05.05.6	---	---	5.96.37.1	---	---	8.810.011.0	---	11.012.514.2	---	14.216.017.5		200250300	219.1273.0323.9	219273325	2.93.64.0	4.04.04.5	6.36.36.3	---	6.36.36.3	7.18.08.8	---	8.08.810.0	10.012.514.2	---	12.516.017.5	16.017.522.2	17.522.225.0	20.025.028.0	22.228.032.0		350400450500550600	355.6406.4457.0508.0559610	377426478529-630	4.04.04.05.05.05.6	5.05.05.05.65.66.3	---	8.08.08.08.08.08.0	8.08.08.010.0--	10.010.011.012.5--	10.010.010.010.010.010.0	11.012.514.216.0-17.5	16.017.520.020.0--	13.013.013.013.013.013.0	20.022.225.028.030.032.0	25.828.530.032.0--	28.030.036.040.0--	32.036.040.045.0--	36.040.045.050.0--		650700750	660711762	-720-	---	---	---	8.08.08.0	---	---	10.010.010.0	---	---	13.013.013.0	---	---	---	---	---		800850900	813864914	820-920	---	---	---	8.08.08.0	---	---	10.010.010.0	---	---	13.013.013.0	---	---	---	---	---		95010001050	96510161067	-1020-	---	---	---	8.08.08.0	---	---	10.010.010.0	---	---	13.013.013.0	---	---	---	---	---		110011501200	111811681219	1120-1220	---	---	---	8.08.08.0	---	---	10.010.010.0	---	---	13.013.013.0	---	---	---	---	-		

钢管直径标准.doc