Socket-Weld Flanges Dimensions & Weights (ASME B16.5)

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Socket-Weld Flanges Dimensions & Weights (ASME B16.5)

ASME B16.5 (Flanges), Flange Size & Weigth, Socket Weld Ends (SW), Socket Weld Flanges

The article shows the ASME B16.5 dimensions of Socket-Weld Flanges Classes from 150 to 1500 (NPS, ID, OD, Thickness, and bolting details, tolerances) – both in inches and millimeters.

ASME SOCKET WELD FLANGE DIMENSIONS & WEIGHTS

The article shows the dimensions and weights of ASME/ANSI B16.5 socket-weld flanges (SW)

SOCKET WELD FLANGE SIZES IN INCHES

SOCKET WELD CLASS 150

Dimensions of socket weld flange class 150 (in inches)

NPS	ID	OD	Bolt Circle (BC)	Raised Face (R)	Raised Face (RF)	H	D	ID 2*	Raised Face Thickness (T)	T1	Flat Face Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2″	0.88″	3.50″	2.38″	1.38″	.063″	1.19″	.38″	0.62″	.62″	.38″	.56″	.62″	4
3/4″	1.09″	3.88″	2.75″	1.69″	.063″	1.50″	.44″	0.82″	.62″	.44″	.56″	.62″	4
1″	1.36″	4.25″	3.12″	2.00″	.063″	1.94″	.50″	1.05″	.69″	.50″	.63″	.62″	4
1-1/4″	1.70″	4.62″	3.50″	2.50″	.063″	2.31″	.56″	1.38″	.81″	.56″	.75″	.62″	4
1-1/2″	1.97″	5.00″	3.88″	2.88″	.063″	2.56″	.62″	1.61″	.88″	.62″	.82″	.62″	4
2″	2.44″	6.00″	4.75″	3.62″	.063″	3.06″	.69″	2.07″	1.00″	.69″	.94″	.75″	4
2-1/2″	2.94″	7.00″	5.50″	4.12″	.063″	3.56″	.75″	2.47″	1.12″	.82″	1.06″	.75″	4
3″	3.57″	7.50″	6.00″	5.00″	.063″	4.25″	.81″	3.07″	1.19″	.88″	1.13″	.75″	4
3-1/2″	4.07″	8.50″	7.00″	5.50″	.063″	4.81″	.88″	3.55″	1.25″	.88″	1.19″	.75″	8
4″	4.57″	9.00″	7.50″	6.19″	.063″	5.31″	.94″	4.03″	1.31″	.88″	1.25″	.75″	8
5″	5.66″	10.00″	8.50″	7.31″	.063″	6.44″	.94″	5.05″	1.44″	.88″	1.38″	.88″	8
6″	6.72″	11.00″	9.50″	8.50″	.063″	7.56″	1.06″	6.07″	1.56″	.94″	1.50″	.88″	8
8″	8.72″	13.50″	11.75″	10.62″	.063″	9.69″	1.25″	7.98″	1.75″	1.06″	1.69″	.88″	8
10″	10.88″	16.00″	14.25″	12.75″	.063″	12.00″	1.31″	10.02″	1.94″	1.13″	1.88″	1.00″	12
12″	12.88″	19.00″	17.00″	15.00″	.063″	14.38″	1.56″	12.00″	2.19″	1.19″	2.13″	1.00″	12
14″	14.14″	21.00″	18.75″	16.25″	.063″	15.75″	1.63″	13.25″	2.25″	1.32″	2.19″	1.12″	12
16″	16.16″	23.50″	21.25″	18.50″	.063″	18.00″	1.75″	15.25″	2.50″	1.38″	2.44″	1.12″	16
18″	18.18″	25.00″	22.75″	21.00″	.063″	19.88″	1.94″	17.25″	2.69″	1.50″	2.63″	1.25″	16
20″	20.20″	27.50″	25.00″	23.00″	.063″	22.00″	2.13″	19.25″	2.88″	1.63″	2.83″	1.25″	20
22″	22.22″	29.50″	27.25″	25.25″	.063″	24.25″	2.38″	21.25″	3.13″	1.75″	3.07″	1.38″	20
24″	24.25″	32.00″	29.50″	27.25″	.063″	26.12″	2.50″	23.25″	3.25″	1.82″	3.19″	1.38″	20

SOCKET WELD CLASS 300

Dimensions of socket weld flange class 300 (in inches)

FLANGE NPS	Inside Diameter	Outside Diameter	Bolt Circle (BC)	Raised Face (R)	Raised Face (RF)	H	D	ID 2*	Raised Face Thickness (T)	T1	Flat Face Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2″	0.88″	3.75″	2.62″	1.38″	.063″	1.50″	.38″	0.62″	0.88″	0.50″	0.82″	0.62″	4
3/4″	1.09″	4.62″	3.25″	1.69″	.063″	1.88″	.44″	0.82″	1.00″	.056″	0.94″	0.75″	4
1″	1.36″	4.88″	3.50″	2.00″	.063″	2.12″	.50″	1.05″	1.06″	0.63″	1.00″	0.75″	4
1-1/4″	1.70″	5.25″	3.88″	2.50″	.063″	2.50″	.56″	1.38″	1.06″	0.69″	1.00″	0.75″	4
1-1/2″	1.97″	6.12″	4.50″	2.88″	.063″	2.75″	.62″	1.61″	1.19″	0.75″	1.13″	0.88″	4
2″	2.44″	6.50″	5.00″	3.62″	.063″	3.31″	.69″	2.07″	1.31″	0.82″	1.25″	0.75″	8
2-1/2″	2.94″	7.50″	5.88″	4.12″	.063″	3.94″	.75″	2.47″	1.50″	0.94″	1.44″	0.88″	8
3″	3.57″	8.25″	6.62″	5.00″	.063″	4.62″	.81″	3.07″	1.69″	1.06″	1.63″	0.88″	8

SOCKET WELD CLASS 600

Dimensions of socket weld flanges class 600 (in inches)

FLANGE NPS	ID	OD	Bolt Circle (BC)	Raised Face (R)	Raised Face (RF)	H	D	ID 2*	Raised Face Thickness (T)	T1	Flat Face Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2″	0.88″	3.75″	2.62″	1.38″	.250″	1.50″	.38″	0.55″	1.13″	0.56″	0.88″	0.62″	4
3/4″	1.09″	4.62″	3.25″	1.69″	.250″	1.88″	.44″	0.74″	1.25″	0.62″	1.00″	0.75″	4
1″	1.36″	4.88″	3.50″	2.00″	.250″	2.12″	.50″	0.96″	1.31″	0.69″	1.06″	0.75″	4
1-1/4″	1.70″	5.25″	3.88″	2.50″	.250″	2.50″	.56″	1.28″	1.37″	0.81″	1.12″	0.75″	4
1-1/2″	1.97″	6.12″	4.50″	2.88″	.250″	2.75″	.62″	1.50″	1.50″	0.88″	1.25″	0.88″	4
2″	2.44″	6.50″	5.00″	3.62″	.250″	3.31″	.69″	1.94″	1.69″	1.00″	1.44″	0.75″	8
2-1/2″	2.94″	7.50″	5.88″	4.12″	.250″	3.94″	.75″	2.32″	1.87″	1.12″	1.62″	0.88″	8
3″	3.57″	8.25″	6.62″	5.00″	.250″	4.62″	.81″	2.90″	2.06″	1.25″	1.81″	0.88″	8

SOCKET WELD CLASS 1500

Dimensions of socket weld flange class 1500 (in inches)

FLANGE NPS	Inside Diameter	Outside Diameter	Bolt Circle (BC)	Raised Face (R)	Raised Face (RF)	H	D	ID 2*	Raised Face Thickness (T)	T1	Flat Face Thickness (T2)	Bolt Hole (B)	No. of Bolt Holes
1/2″	0.88″	4.75″	3.25″	1.38″	.250″	1.50″	.38″	0.55″	1.50″	0.88″	1.25″	0.88″	4
3/4″	1.09″	5.13″	3.50″	1.69″	.250″	1.75″	.44″	0.74″	1.63″	1.00″	1.38″	0.88″	4
1″	1.36″	5.88″	4.00″	2.00″	.250″	2.06″	.50″	0.96″	1.88″	1.13″	1.63″	1.00″	4
1-1/4″	1.70″	6.25″	4.38″	2.50″	.250″	2.50″	.56″	1.28″	1.88″	1.13″	1.63″	1.00″	4
1-1/2″	1.97″	7.00″	4.88″	2.88″	.250″	2.75″	.62″	1.50″	2.00″	1.25″	1.75″	1.13″	4
2″	2.44″	8.50″	6.50″	3.63″	.250″	4.13″	.69″	1.94″	2.50″	1.50″	2.25″	1.00″	8
2-1/2″	2.94″	9.63″	7.50″	4.13″	.250″	4.88″	.75″	2.32″	2.75″	1.63″	2.50″	1.13″	8

SOCKET WELD FLANGE SIZES IN MILLIMETERS

SOCKET WELD CLASS 150

Socket weld flange dimensions class 150 in millimeters (ASME B16.5)

Size inch	D mm	X mm	G mm	t mm	B1 mm	B2 mm	T2 mm	Y mm
1/2	89	30.2	35.1	11.2	15.7	22.4	15.7	9.7
3/4	99	38.1	42.9	12.7	20.8	27.7	15.7	11.2
1	108	49.3	50.8	14.2	26.7	34.5	17.5	12.7
1¼	117	58.7	63.5	15.7	35.1	43.2	20.6	14.2
1½	127	65.0	73.2	17.5	40.9	49.5	22.4	15.7
2	152	77.7	91.9	19.1	52.6	62.0	25.4	17.5
2½	178	90.4	104.6	22.4	62.7	74.7	28.4	19.1
3	191	108.0	127.0	23.9	78.0	90.7	30.2	20.6
3½	216	122.2	139.7	23.9	90.2	103.4	31.8	22.4
4	229	134.9	157.2	23.9	102.4	116.1	33.3	23.9
5	254	163.6	185.7	23.9	128.3	143.8	36.6	23.9
6	279	192.0	215.9	25.4	154.2	170.7	39.6	26.9
8	343	246.1	269.7	28.4	202.7	221.5	44.5	31.8
10	406	304.8	323.9	30.2	254.5	276.4	49.3	33.3
12	483	365.3	381.0	31.8	304.8	327.2	55.6	39.6
14	533	400.1	412.8	35.1	336.6	359.2	57.2	41.4
16	597	457.2	469.9	36.6	387.4	410.5	63.5	44.5
18	635	505.0	533.4	39.6	438.2	461.8	68.3	49.3
20	699	558.8	584.2	42.9	489.0	513.1	73.2	54.1
24	813	663.4	692.2	47.8	590.6	616.0	82.6	63.5

Size	Drilling			Bolting
inch	Bolt circle Diameter mm	Holes #	Holes Dia. mm	Bolt Dia. inch.	Length FF Flange	Length RF Flange	Length RTJ Flange
1/2	60.5	4	15.7	1/2	50.8	57.2	–
3/4	69.9	4	15.7	1/2	50.8	63.5	–
1	79.2	4	15.7	1/2	57.2	63.5	76.2
1¼	88.9	4	15.7	1/2	57.2	69.9	82.6
1½	98.6	4	15.7	1/2	63.5	69.9	82.6
2	120.7	4	19.1	5/8	69.9	82.6	95.3
2½	139.7	4	19.1	5/8	76.2	88.9	101.6
3	152.4	4	19.1	5/8	76.2	88.9	101.6
3½	177.8	8	19.1	5/8	76.2	88.9	101.6
4	190.5	8	19.1	5/8	76.2	88.9	101.6
5	215.9	8	22.4	3/4	82.6	95.3	108.0
6	241.3	8	22.4	3/4	82.6	101.6	114.3
8	298.5	8	22.4	3/4	88.9	108.0	120.7
10	362.0	12	25.4	7/8	101.6	114.3	127.0
12	431.8	12	25.4	7/8	101.6	120.7	133.4
14	476.3	12	28.4	1	114.3	133.4	146.1
16	539.8	16	28.4	1	114.3	133.4	146.1
18	577.9	16	31.8	1^1/8	127.0	146.1	158.8
20	635.0	20	31.8	1^1/8	139.7	158.8	171.5
24	749.3	20	35.1	1¼	152.4	171.5	184.2

SOCKET WELD CLASS 300

Socket weld flange dimensions class 300 in millimeters (ASME B16.5)

Size inch	D mm	X mm	G mm	t mm	B1 mm	B2 mm	T2 mm	Y mm
1/2	95	38.1	35.1	14.2	15.7	22.4	22.4	9.7
3/4	117	47.8	42.9	15.7	20.8	27.7	25.4	11.2
1	124	53.8	50.8	17.5	26.7	34.5	26.9	12.7
1¼	133	63.5	63.5	19.1	35.1	43.2	26.9	14.2
1½	155	69.9	73.2	20.6	40.9	49.5	30.2	15.7
2	165	84.1	91.9	22.4	52.6	62.0	33.3	17.5
2½	191	100.1	104.6	25.4	62.7	74.7	38.1	19.1
3	210	117.3	127.0	28.4	78.0	90.7	42.9	20.6
3½	229	133.4	139.7	30.2	90.2	103.4	44.5	22.4
4	254	146.1	157.2	31.8	102.4	116.1	47.8	23.9
5	279	177.8	185.7	35.1	128.3	143.8	50.8	23.9
6	318	206.2	215.9	36.6	154.2	170.7	52.3	26.9
8	381	260.4	269.7	41.1	202.7	221.5	62.0	31.8
10	445	320.5	323.9	47.8	254.5	276.4	66.5	33.3
12	521	374.7	381.0	50.8	304.8	327.2	73.2	39.6
14	584	425.5	412.8	63.8	336.6	359.2	76.2	41.4
16	648	482.6	469.9	57.2	387.4	410.5	82.6	44.5
18	711	533.4	533.4	60.5	438.2	461.8	88.9	49.3
20	775	587.2	584.2	63.5	489.0	513.1	95.3	54.1
24	914	701.5	692.2	69.9	590.6	616.0	106.4	63.5

Size	Drilling			Bolting
inch	Bolt circle Diameter mm	Holes #	Holes Dia. mm	Bolt Dia. inch.	Length FF Flange	Length RF Flange	Length RTJ Flange
1/2	66.5	4	15.7	1/2	57.2	63.5	76.2
3/4	82.6	4	19.1	5/8	63.5	76.2	88.9
1	88.9	4	19.1	5/8	63.5	76.2	88.9
1¼	98.6	4	19.1	5/8	69.9	82.6	95.3
1½	114.3	4	22.4	3/4	76.2	88.9	101.6
2	127.0	8	19.1	5/8	76.2	88.9	101.6
2½	149.4	8	22.4	3/4	82.6	101.6	114.3
3	168.1	8	22.4	3/4	88.9	108.0	120.7
3½	184.2	8	22.4	3/4	95.3	108.0	127.0
4	200.2	8	22.4	3/4	95.3	114.3	127.0
5	235.0	8	22.4	3/4	108.0	120.7	133.4
6	269.7	12	22.4	3/4	108.0	120.7	139.7
8	330.2	12	25.4	7/8	120.7	139.7	152.4
10	387.4	16	28.4	1	139.7	158.8	171.5
12	450.9	16	31.8	1^1/8	146.1	171.5	184.2
14	514.4	20	31.8	1^1/8	158.8	177.8	190.5
16	571.5	20	35.1	1¼	165.1	190.5	203.2
18	628.7	24	35.1	1¼	171.5	196.9	209.6
20	685.8	24	35.1	1¼	184.2	203.2	222.3
24	812.8	24	41.1	1½	203.2	228.6	254.0

SOCKET WELD CLASS 600

Socket weld flange dimensions class 600 in millimeters (ASME B16.5)

Size inch	D mm	X mm	G mm	t mm	B1 mm	B2 mm	T2 mm	Y mm
1/2	95	38.1	35.1	14.2	B36.10/.19	22.4	22.4	9.7
3/4	117	47.8	42.9	15.7	B36.10/.19	27.7	25.4	11.2
1	124	53.8	50.8	17.5	B36.10/.19	34.5	26.9	12.7
1¼	133	63.5	63.5	20.6	B36.10/.19	43.2	28.4	14.2
1½	155	69.9	73.2	22.4	B36.10/.19	49.5	31.8	15.7
2	165	84.1	91.9	25.4	B36.10/.19	62.0	36.6	17.5
2½	191	100.1	104.6	28.4	B36.10/.19	74.7	41.1	19.1
3	210	117.3	127.0	31.8	B36.10/.19	90.7	46.0	20.6
3½	229	133.4	139.7	35.1	B36.10/.19	103.4	49.3	22.4
4	273	152.4	157.2	38.1	B36.10/.19	116.1	53.8	23.9
5	330	189.0	185.7	44.5	B36.10/.19	143.8	60.5	23.9
6	356	222.3	215.9	47.8	B36.10/.19	170.7	66.5	26.9
8	419	273.1	269.7	55.6	B36.10/.19	221.5	76.2	31.8
10	508	342.9	323.9	63.5	B36.10/.19	276.4	85.9	33.3
12	559	400.1	381.0	66.5	B36.10/.19	327.2	91.9	39.6
14	603	431.8	412.8	69.9	B36.10/.19	359.2	93.7	41.4
16	686	495.3	469.9	76.2	B36.10/.19	410.5	106.4	44.5
18	743	546.1	533.4	82.6	B36.10/.19	461.8	117.3	49.3
20	813	609.6	584.2	88.9	B36.10/.19	513.1	127.0	54.1
24	940	717.6	692.2	101.6	B36.10/.19	616.0	139.7	63.5

Size	Drilling			Bolting
inch	Bolt circle Diameter mm	Holes #	Holes Dia. mm	Bolt Dia. inch.	Length FF Flange	Length RF Flange	Length RTJ Flange
1/2	66.5	4	15.7	1/2	76.2	69.9	76.2
3/4	82.6	4	19.1	5/8	88.9	82.6	88.9
1	88.9	4	19.1	5/8	88.9	82.6	88.9
1¼	98.6	4	19.1	5/8	95.3	88.9	95.3
1½	114.3	4	22.4	3/4	108.0	101.6	108.0
2	127.0	8	19.1	5/8	108.0	101.6	108.0
2½	149.4	8	22.4	3/4	120.7	114.3	120.7
3	168.1	8	22.4	3/4	127.0	120.7	127.0
3½	184.2	8	25.4	7/8	139.7	133.4	139.7
4	215.9	8	25.4	7/8	146.1	139.7	146.1
5	266.7	8	28.4	1	165.1	158.8	165.1
6	292.1	12	28.4	1	171.5	165.1	171.5
8	349.3	12	31.8	1^1/8	190.5	184.2	196.9
10	431.8	16	35.1	1¼	215.9	209.6	215.9
12	489.0	20	35.1	1¼	222.3	215.9	222.3
14	527.1	20	38.1	1^3/8	235.0	228.6	235.0
16	603.3	20	41.1	1½	254.0	247.7	254.0
18	654.1	20	44.5	1^5/8	273.1	266.7	273.1
20	723.9	24	44.5	1^5/8	285.8	279.4	292.1
24	838.2	24	50.8	1^7/8	330.2	323.9	336.6

TOLERANCE OF SOCKET WELD FLANGES

ASME B16.5 provides specific tolerances for socket-weld flanges, which are designed for small-size high-pressure piping. These tolerances ensure proper fit, alignment, and sealing capability within the piping systems. Socket-weld flanges have a recessed area where the pipe is inserted before being welded around the outer diameter. Below is a summary of general tolerance values for key dimensions of socket-weld flanges according to ASME B16.5. For precise values, especially for specific sizes and classes, consulting the ASME B16.5 standard is essential.

Diameter of Bolt Circle (P):

Tolerance: ±1.6 mm (±1/16 inch) for flanges up to and including NPS 24. This ensures even distribution of bolt loads and proper alignment.

Diameter of Bolt Holes (Q):

Tolerance: Typically, bolt holes are oversized relative to the bolt diameter by +3 mm (1/8 inch) to facilitate alignment and assembly.

Flange Thickness (T):

Tolerance: Can vary but a general guideline for flanges up to NPS 24 is ±3 mm (±1/8 inch). This tolerance accounts for the necessary strength and pressure containment without adding unnecessary weight.

Outside Diameter of Flange (O):

Tolerance: ±1.6 mm (±1/16 inch) for sizes up to NPS 24, ensuring compatibility with mating components and equipment.

Socket Depth (D):

Tolerance: The depth of the socket is crucial for ensuring that the pipe fits properly before welding. Tolerances ensure that there is enough room for the pipe to be inserted to the correct depth, facilitating a proper weld.

Bore Diameter (B):

Tolerance: The tolerance on the bore diameter ensures the flange will not impede fluid flow or cause excessive turbulence. The tolerance typically allows for a slight clearance over the outside diameter of the pipe, ensuring a fit that facilitates welding without excessive gap or interference.

Counterbore Diameter (G) and Depth:

Tolerance: Specific tolerances apply to the counterbore’s diameter and depth, ensuring the pipe sits properly within the flange socket for a secure weld.

Facing Finish:

Tolerance: The surface finish of the flange face is specified in terms of Ra (Roughness Average) to ensure compatibility with the gasket material and a proper seal. Tolerances are provided based on the type of facing and gasket used.

Adherence to these tolerances is critical for the functionality and integrity of the socket-weld flange connections. The correct implementation ensures proper alignment, weld quality, and sealing performance, contributing to the safety and reliability of the overall piping system. For detailed and specific tolerance values, it’s crucial to refer to the latest edition of ASME B16.5.

SW FLANGE WEIGHTS

SW FLANGE WEIGHT in KGS.

The table shows the ASME B16.5 socket-weld (SW) flange weights in Kgs. by Flange NPS and Class (carbon/alloy steel materials; for higher grades, consider adjusting weight using the delta-specific weight carbon/other grades)

NPS	Class 150	Class 300	Class 400	Class 600	Class 900	Class 1500
1/2	0.9	1.4	0.9	0.9	2.7	2.7
3/4	0.9	1.4	1.4	1.4	2.7	2.7
1	0.9	1.4	1.6	1.8	3.4	3.6
1¼	1.4	1.8	2	2.3	4.5	4.5
1½	1.4	2.7	2.9	3.2	6.3	6.3
2	2.3	3.2	3.6	4.1	9.9	11.3
2½	3.6	4.5	5.4	5.9	13.9	16.2
3	4.1	5.9	6.8	7.2	16.2	21.6
3½	4	7.7	9.5	9.5
4	5.9	9.9	11.7	16.7	23.9	32.9
5	6.8	12.6	13.9	28.4	37.4	59.4
6	8.6	17.6	19.8	36	49.5	74.3
8	13.5	26.1	30.2	51.8	77.4	117
10	19.4	36.5	40	79.7	110.3	196.2
12	28.8	51.8	58.5	96.8	146.7	300.2
14	40.5	74.3	85	116.6	180	423
16	44.1	85.5	113.9	164.7	206.6	562.5
18	58.5	112.5	139.5	214.2	291.2	731.3
20	74.3	141.8	170.1	275.4	356.4	922.5
22	83.3	166.5	182.3	265.5
24	99	213.8	242.6	394.2	666	1271

SW FLANGE WEIGHT in LBS.

The table shows the ASME B16.5 socket-weld (SW) flange weights in Lbs. by Flange NPS and Class (carbon/alloy steel materials; for higher grades, consider adjusting weight using the delta-specific weight carbon/other grades)

CLASS 150	Nominal Pipe Size	Socket Weld Weight in Lbs./unit
	½	2
	¾	2
	1	2
	1¼	3
	1½	3
	2	5
	2½	8
	3	9
	3½	11
	4	13
	5	15
	6	19
	8	30
	10	43
	12	64
	14	90
	16	98
	18	130
	20	165
	22	185
	24	220
CLASS 300	Nominal Pipe Size	Socket Weld Weight in Lbs./unit
	½	3
	¾	3
	1	3
	1¼	4
	1½	6
	2	7
	2½	10
	3	13
	3½	17
	4	22
	5	28
	6	39
	8	58
	10	81
	12	115
	14	165
	16	190
	18	250
	20	315
	22	370
	24	475
CLASS 400	Nominal Pipe Size	Socket Weld Weight in Lbs./unit
	½	2
	¾	3
	1	3.5
	1¼	4.5
	1½	6.5
	2	8
	2½	12
	3	15
	3½	21
	4	26
	5	31
	6	44
	8	67
	10	91
	12	130
	14	191
	16	253
	18	310
	20	378
	22	405
	24	539
CLASS 600	Nominal Pipe Size	Socket Weld Weight in Lbs./unit
	½	2
	¾	3
	1	4
	1¼	5
	1½	7
	2	9
	2½	13
	3	16
	3½	21
	4	37
	5	63
	6	80
	8	115
	10	177
	12	215
	14	259
	16	366
	18	476
	20	612
	22	590
	24	876
CLASS 900	Nominal Pipe Size	Socket Weld Weight in Lbs./unit
	½	6
	¾	6
	1	7.5
	1¼	10
	1½	14
	2	22
	2½	31
	3	36
	4	53
	5	83
	6	110
	8	172
	10	245
	12	326
	14	400
	16	459
	18	647
	20	792
	24	1480
CLASS 1500	Nominal Pipe Size	Socket Weld Weight in Lbs./unit
	½	6
	¾	6
	1	8
	1¼	10
	1½	14
	2	25
	2½	36
	3	48
	4	73
	5	132
	6	165
	8	260
	10	436
	12	667
	14	940
	16	1250
	18	1625
	20	2050
	24	2825

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About the Author

Projectmaterials Team

Blog.projectmaterials.com is an online resource dedicated to providing in-depth information, analysis, and educational content related to the fields of project materials management, engineering, and procurement, particularly within the oil & gas, construction, shipbuilding, energy, and renewable energy sectors. It aims to serve professionals and enthusiasts in these industries by offering valuable insights into materials, equipment, and techniques used in various projects, focusing on the selection, application, and maintenance of these resources. Key features of the blog include: * Educational Articles: Comprehensive posts that cover topics ranging from the technical aspects of piping products (pipes, valves, fittings, flanges, gaskets, bolts, instrumentation) to structural steel and process equipment (including oil extraction systems, drilling rigs, wellheads, pumps, compressors, and separation systems). * Industry Insights: Updates on the latest trends, technologies, and regulatory changes affecting the industries covered. * Guides and How-Tos: Practical advice on selecting the right materials and equipment for specific applications, as well as tips on installation, maintenance, and troubleshooting. * Safety and Standards: Information on safety equipment for production sites, risk mitigation procedures, and an overview of relevant industry standards and regulatory frameworks. The website is designed to support the professional development of engineers, procurement specialists, project managers, and other stakeholders involved in project plant businesses, by disseminating critical know-how and best practices. Whether readers are new to the field or seasoned professionals, blog.projectmaterials.com offers resources to enhance their understanding and performance in managing project materials effectively.

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One Response

Nesamani says:

April 17, 2021 at 7:23 am

Need dimension for DN1200,DN950,DN800 Cl.150 for socket weld flanges.

Reply

Socket-Weld Flanges Dimensions & Weights (ASME B16.5)

Socket-Weld Flanges Dimensions & Weights (ASME B16.5)

ASME SOCKET WELD FLANGE DIMENSIONS & WEIGHTS

SOCKET WELD FLANGE SIZES IN INCHES

SOCKET WELD CLASS 150

SOCKET WELD CLASS 300

SOCKET WELD CLASS 600

SOCKET WELD CLASS 1500

SOCKET WELD FLANGE SIZES IN MILLIMETERS

SOCKET WELD CLASS 150

SOCKET WELD CLASS 300

SOCKET WELD CLASS 600

TOLERANCE OF SOCKET WELD FLANGES

SW FLANGE WEIGHTS

SW FLANGE WEIGHT in KGS.

SW FLANGE WEIGHT in LBS.

Projectmaterials Team

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