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2011年GB国标钢管壁厚分级表—SCH40 SCH60 SCH80等级表

发布日期：2011/6/27

作者：聊城市万源鑫钢管有限公司

点击：3716

2011年GB国标钢管壁厚分级表—SCH40 SCH60 SCH80等级表

GB国标钢管壁厚分级表—SCH40 SCH60 SCH80等级表钢管壁厚分级表（GB标准）公 称 直 径 DN 外径(D) 公称壁厚 A系列 B系列 Sch 5s Sch 10s Sch 20s LG Sch 20 Sch 30 STD Sch 40 Sch 60 XS Sch 80 Sch 100 Sch 120 Sch 140 Sch 180 15 20 …

GB国标钢管壁厚分级表—SCH40 SCH60 SCH80等级表

钢管壁厚分级表（GB标准）

公称直径 DN	外径(D)		公称壁厚
公称直径 DN	A系列	B系列	Sch 5s	Sch 10s	Sch 20s	LG	Sch 20	Sch 30	STD	Sch 40	Sch 60	XS	Sch 80	Sch 100	Sch 120	Sch 140	Sch 180
15 20 25	21.3 26.9 33.7	18 25 32	1.6 1.6 1.6	2.1 2.1 2.8	2.6 2.6 3.2	- - -	- - -	- - -	- - -	2.9 2.9 3.2	- - -	- - -	3.6 4.0 4.5	- - -	- - -	- - -	4.5 5.6 6.3
32 40 50	42.4 48.3 60.3	38 45 57	1.6 1.6 1.6	2.8 2.8 2.8	3.2 3.2 3.6	- - -	- - 3.2	- - -	- - -	3.6 3.6 4.0	- - -	- - -	5.0 5.0 5.6	- - -	- - -	- - -	6.3 7.1 8.8
65 80 90	76.1 88.9 101.6	76 89 -	2.0 2.0 2.0	3.0 3.0 3.0	3.6 4.0 4.0	- - -	4.5 4.5 4.5	- - -	- - -	5.0 5.6 5.6	- - -	- - -	7.1 8.0 8.0	- - -	- - -	- - -	10.0 11.0 12.5
100 125 150	114.3 139.7 168.3	108 133 159	2.0 2.9 2.9	3.0 3.4 3.4	4.0 5.0 5.0	- - -	5.0 5.0 5.6	- - -	- - -	5.9 6.3 7.1	- - -	- - -	8.8 10.0 11.0	- - -	11.0 12.5 14.2	- - -	14.2 16.0 17.5
200 250 300	219.1 273.0 323.9	219 273 325	2.9 3.6 4.0	4.0 4.0 4.5	6.3 6.3 6.3	- - -	6.3 6.3 6.3	7.1 8.0 8.8	- - -	8.0 8.8 10.0	10.0 12.5 14.2	- - -	12.5 16.0 17.5	16.0 17.5 22.2	17.5 22.2 25.0	20.0 25.0 28.0	22.2 28.0 32.0
350 400 450 500 550 600	355.6 406.4 457.0 508.0 559 610	377 426 478 529 - 630	4.0 4.0 4.0 5.0 5.0 5.6	5.0 5.0 5.0 5.6 5.6 6.3	- - -	8.0 8.0 8.0 8.0 8.0 8.0	8.0 8.0 8.0 10.0 - -	10.0 10.0 11.0 12.5 - -	10.0 10.0 10.0 10.0 10.0 10.0	11.0 12.5 14.2 16.0 - 17.5	16.0 17.5 20.0 20.0 - -	13.0 13.0 13.0 13.0 13.0 13.0	20.0 22.2 25.0 28.0 30.0 32.0	25.8 28.5 30.0 32.0 - -	28.0 30.0 36.0 40.0 - -	32.0 36.0 40.0 45.0 - -	36.0 40.0 45.0 50.0 - -
650 700 750	660 711 762	- 720 -	- - -	- - -	- - -	8.0 8.0 8.0	- - -	- - -	10.0 10.0 10.0	- - -	- - -	13.0 13.0 13.0	- - -	- - -	- - -	- - -	- - -
800 850 900	813 864 914	820 - 920	- - -	- - -	- - -	8.0 8.0 8.0	- - -	- - -	10.0 10.0 10.0	- - -	- - -	13.0 13.0 13.0	- - -	- - -	- - -	- - -	- - -
950 1000 1050	965 1016 1067	- 1020 -	- - -	- - -	- - -	8.0 8.0 8.0	- - -	- - -	10.0 10.0 10.0	- - -	- - -	13.0 13.0 13.0	- - -	- - -	- - -	- - -	- - -
1100 1150 1200	1118 1168 1219	1120 - 1220	- - -	- - -	- - -	8.0 8.0 8.0	- - -	- - -	10.0 10.0 10.0	- - -	- - -	13.0 13.0 13.0	- - -	- - -	- - -	- - -