National Taper Pipe Thread Socket Welded Ends

Butt-welding ends ASME B16.25

Product Details

Butt-welding ends ASME B16.25：

Nominal pipe Size	Schedule number	Outside diameter (inch)	Outside diameter (mm)	Nominal inside diameter (inch)	Nominal inside diameter (mm)	Machined inside diameter (inch)	Machined inside diameter (mm)	Nominal wall thickness (inch)	Nominal wall thickness (mm)
18	STD	18.00	457.2	17.250	438.2	17.303	439.50	0.375	9.5
	XS			17.000	431.8	17.084	433.93	0.500	12.7
	40			16.876	428.6	16.975	431.17	0.562	14.3
	60			16.500	419.2	16.646	422.81	0.750	19.0
	80			16.124	409.6	16.318	414.48	0.938	23.8
	100			15.688	398.4	15.936	404.77	1.156	29.4
	120			15.250	387.4	15.553	395.05	1.375	34.9
	140			14.876	377.8	15.225	386.72	1.562	39.7
	160			14.438	366.8	14.842	376.99	1.781	45.2
20	STD	20.00	508.0	19.250	489.0	19.303	490.30	0.375	9.5
	XS			19.000	482.6	19.084	484.73	0.500	12.7
	40			18.812	477.8	18.920	480.57	0.594	15.1
	60			18.376	466.8	18.538	470.87	0.812	20.6
	80			17.938	455.6	18.155	461.14	1.031	26.2
	100			17.438	443.0	17.717	450.01	1.281	32.5
	120			17.000	431.8	17.334	440.28	1.500	38.1
	140			16.500	419.2	16.896	429.16	1.750	44.4
	160			16.062	408.0	16.513	419.43	1.969	50.0
22	STD	22.00	558.8	21.250	539.8	21.303	541.10	0.375	9.5
	XS			21.000	533.4	21.084	535.53	0.500	12.7
	60			20.250	514.4	20.428	518.87	0.875	22.2
	80			19.750	501.6	19.990	507.75	1.125	28.6
	100			19.250	488.8	19.553	496.65	1.375	35.0
	120			18.750	476.2	19.115	485.52	1.625	41.3
	140			18.250	463.6	18.678	474.42	1.875	47.6
	160			17.750	450.8	18.240	463.30	2.125	54.0
24	STD	24.00	609.6	23.250	590.6	23.303	591.90	0.375	9.5
	XS			23.000	584.2	23.084	586.33	0.500	12.7
	30			22.876	581.0	22.975	583.57	0.562	14.3
	40			22.624	574.6	22.755	577.98	0.688	17.5
	60			22.062	560.4	22.263	565.48	0.969	24.6
	80			21.562	547.6	21.826	554.38	1.219	31.0
	100			20.938	531.8	21.280	540.51	1.531	38.9
	120			20.376	517.6	20.788	528.02	1.812	46.0
	140			19.876	504.8	20.350	516.89	2.062	52.4
	160			19.312	490.6	19.857	504.37	2.344	59.5