THÔNG SỐ QUY CÁCH THÉP ỐNG ĐÚC

ỐNG THÉP THEO TIÊU CHUẨN: ASTM/API/ASME ĐỘ DÀI: 6/9/12M
	DN	OD	Độ dày
			(wall thickness)
Inh
	mm	mm	10	20	30	STD	40	60	XS	80	100	120	140	160	XXS
¼	8	13.7				2.2	2.2		3.0	3.0
⅜	10	17.1				2.3	2.3		3.2	3.2
½	15	21.3				2.8	2.8		3.7	3.7				4.8	7.5
¾	20	26.7				2.9	2.9		3.9	3.9				5.6	7.8
1	25	33.4				3.4	3.4		4.6	4.6				6.4	9.1
1 ¼	32	42.2				3.6	3.6		4.9	4.9				6.4	9.7
1 ½	40	48.3				3.7	3.7		5.1	5.1				7.1	10.2
2	50	60.3				3.9	3.9	4.83	5.5	5.5				8.7	11.1
2 ½	65	73.0				5.2	5.2	5.51	7.0	7.0				9.5	14.0
3	80	88.9				5.5	5.5	6.45	7.6	7.6				11.1	15.2
3 ½	90	101.6				5.8	5.8	7.1	8.1	8.1
4	100	114.3		4.78	5.6	6.0	6.0		8.6	8.6		11.1		13.5	17.1
5	125	141.3		4.78	5.6	6.6	6.6		9.5	9.5		12.7		15.9	19.1
6	150	168.3	4.78	5.56	6.4	7.1	7.1		11.0	11.0		14.3		18.3	22.0
8	200	219.1		6.4	7.0	8.2	8.2	10.3	12.7	12.7	15.1	18.3	20.6	23.0	22.2
10	250	273.1		6.4	7.8	9.3	9.3	12.7	12.7	15.1	18.3	21.4	25.4	28.6	25.4
12	300	323.9		6.4	8.4	9.5	10.3	14.3	12.7	17.5	21.4	25.4	28.6	33.3	25.4
14	350	355.6	6.4	7.9	9.5	9.5	11.1	15.1	12.7	19.1	23.8	27.8	31.8	35.7
16	400	406.4	6.4	7.9	9.5	9.5	12.7	16.7	12.7	21.4	26.2	31.0	36.5	40.5
18	450	457.2	6.4	7.9	11.1	9.5	14.3	19.1	12.7	23.9	29.4	34.9	39.7	45.2
20	500	508.0	6.4	9.5	12.7	9.5	16.1	20.6	12.7	26.2	32.6	38.1	44.5	50.0
22	550	558.8	6.4	9.5	12.7	9.5	9.5	22.2	12.7	28.6	34.9	41.3	47.6	54.0
24	600	609.6	6.4	9.5	14.3	9.5	9.5	24.6	12.7	31.0	38.9	46.0	52.4	59.5