Stainless Steel Polished Weld Neck Flange, Color : Silver

₹ 500 - ₹ 1,000 / Piece

MOQ2 Piece
FinishingPolished
MaterialStainless Steel
SpecialitiesLong Neck Design For Butt Welding,Gradual Transition Of Thickness For Reinforcement,Bore Matches Pipeline Bore For Reduced Turbulence And Erosion
Brand NameNiton Metal and Alloys
Supply TypeManufacturer, Exporter, Supplier
Preferred Buyer Location All over the world

Specification Of Weld Neck Flanges

Material & Grades of Weld Neck Flanges (WNRF) :

Stainless Steel Weld Neck Flanges :

ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel Weld Neck Flanges :

ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Carbon Steel Weld Neck Flanges :

ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F706 Low Temperature Carbon Steel Weld Neck Flanges : ASTM A350, LF2, LF3

Alloy Steel Weld Neck Flanges :

ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91 Copper Alloy Steel Weld Neck Flanges : ASTM SB 61 , SB62 , SB151 , SB152 UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200

Nickel Alloy Weld Neck Flanges :

ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)

Weight Chart Of Weld Neck Flange

Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD		Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C		D		E		F		G		H		I		J
01/02/25	15	90	9.6	30		21.3		46		Refer Note		34.9		2		60.3		1.6
03/04/25	20	100	11.2	38		26.7		51				42.9		2		69.9		1.6
1	25	110	12.7	49		33.4		54				50.8		2		79.4		1.6
1 1/4	32	115	14.3	59		42.2		56				63.5		2		88.9		1.6
1 1/2	40	125	15.9	65		48.3		60				73		2		98.4		1.6
2	50	150	17.5	78		60.3		62				92.1		2		120.7		1.6
2 1/2	65	180	20.7	90		73		68				104.8		2		139.7		1.6
3	80	190	22.3	108		88.9		68				127		2		152.4		1.6
3 1/2	90	215	22.3	122		101.6		70				139.7		2		177.8		1.6
4	100	230	22.3	135		114.3		75				157.2		2		190.5		1.6
5	125	255	22.3	164		141.3		87				185.7		2		215.9		1.6
6	150	280	23.9	192		168.3		87				215.9		2		241.3		1.6
8	200	345	27	246		219.1		100				269.9		2		298.5		1.6
10	250	405	28.6	305		273		100				323.8		2		362		1.6
12	300	485	30.2	365		323.8		113				381		2		431.8		1.6
14	350	535	33.4	400		355.6		125				412.8		2		476.3		1.6
16	400	595	35	457		406.4		125				469.9		2		539.8		1.6
18	450	635	38.1	505		457.2		138				533.4		2		577.9		1.6
20	500	700	41.3	559		508		143				584.2		2		635		1.6
24	600	815	46.1	663		610		151				692.2		2		749.3		1.6
Note: Welding Neck bore is derived from the pipe schedule
Class 300 Weld Neck Flange Dimensions
Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C	D		E		F		G		H		I		J
01/02/25	15	95	12.7	38	21.3		51		Refer Note		34.9		2		66.7		1.6
03/04/25	20	115	14.3	48	26.7		56				42.9		2		82.6		1.6
1	25	125	15.9	54	33.4		60				50.8		2		88.9		1.6
1 1/4	32	135	17.5	64	42.2		64				63.5		2		98.4		1.6
1 1/2	40	155	19.1	70	48.3		67				73		2		114.3		1.6
2	50	165	20.7	84	60.3		68				92.1		2		127		1.6
2 1/2	65	190	23.9	100	73		75				104.8		2		149.2		1.6
3	80	210	27	117	88.9		78				127		2		168.3		1.6
3 1/2	90	230	28.6	133	101.6		79				139.7		2		184.2		1.6
4	100	255	30.2	146	114.3		84				157.2		2		200		1.6
5	125	280	33.4	178	141.3		97				185.7		2		235		1.6
6	150	320	35	206	168.3		97				215.9		2		269.9		1.6
8	200	380	39.7	260	219.1		110				269.9		2		330.2		1.6
10	250	445	46.1	321	273		116				323.8		2		387.4		1.6
12	300	520	49.3	375	323.8		129				381		2		450.8		1.6
14	350	585	52.4	425	355.6		141				412.8		2		514.4		1.6
16	400	650	55.6	483	406.4		144				469.9		2		571.5		1.6
18	450	710	58.8	533	457		157				533.4		2		628.6		1.6
20	500	775	62	587	508		160				584.2		2		685.8		1.6
24	600	915	68.3	702	610		167				692.2		2		812.8		1.6
Note: Welding Neck bore is derived from the pipe schedule
Class 400 Weld Neck Flange Dimensions
Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C	D		E		F		G		H		I		J
01/02/25	15	95	14.3	38	21.3		52		Refer Note		34.9		7		66.7		1.6
03/04/25	20	115	15.9	48	26.7		57				42.9		7		82.6		1.6
1	25	125	17.5	54	33.4		62				50.8		7		88.9		1.6
1 1/4	32	135	20.7	64	42.2		67				63.5		7		98.4		1.6
1 1/2	40	155	22.3	70	48.3		70				73		7		114.3		1.6
2	50	165	25.4	84	60.3		73				92.1		7		127		1.6
2 1/2	65	190	28.6	100	73		79				104.8		7		149.2		1.6
3	80	210	31.8	117	88.9		83				127		7		168.3		1.6
3 1/2	90	230	35	133	101.6		86				139.7		7		184.2		1.6
4	100	255	35	146	114.3		89				157.2		7		200		1.6
5	125	280	38.1	178	141.3		102				185.7		7		235		1.6
6	150	320	41.3	206	168.3		103				215.9		7		269.9		1.6
8	200	380	47.7	260	219.1		117				269.9		7		330		1.6
10	250	445	54	321	273		124				323.8		7		387.4		1.6
12	300	520	57.2	375	323.8		137				381		7		450.8		1.6
14	350	585	60.4	425	355.6		149				412.8		7		514.4		1.6
16	400	650	63.5	483	406.4		152				469.9		7		571.5		1.6
18	450	710	66.7	533	457		165				533.4		7		628.6		1.6
20	500	775	69.9	587	508		168				584.2		7		685.8		1.6
24	600	915	76.2	702	610		175				692.2		7		812.8		1.6
Note: Welding Neck bore is derived from the pipe schedule
Class 600 Weld Neck Flange Dimensions
Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C	D		E		F		G		H		I		J
01/02/25	15	95	14.3	38	21.3		52		Refer Note		34.9		7		66.7		1.6
03/04/25	20	115	15.9	48	26.7		57				42.9		7		82.6		1.6
1	25	125	17.5	54	33.4		62				50.8		7		88.9		1.6
1 1/4	32	135	20.7	64	42.2		67				63.5		7		98.4		1.6
1 1/2	40	155	22.3	70	48.3		70				73		7		114.3		1.6
2	50	165	25.4	84	60.3		73				92.1		7		127		1.6
2 1/2	65	190	28.6	100	73		79				104.8		7		149.2		1.6
3	80	210	31.8	117	88.9		83				127		7		168.3		1.6
3 1/2	90	230	35	133	101.6		86				139.7		7		184.2		1.6
4	100	275	38.1	152	114.3		102				157.2		7		215.9		1.6
5	125	330	44.5	189	141.3		114				185.7		7		266.7		1.6
6	150	355	47.7	222	168.3		117				215.9		7		292.1		1.6
8	200	420	55.6	273	219.1		133				269.9		7		349.2		1.6
10	250	510	63.5	343	273		152				323.8		7		431.8		1.6
12	300	560	66.7	400	323.8		156				381		7		489		1.6
14	350	605	69.9	432	355.6		165				412.8		7		527		1.6
16	400	685	76.2	495	406.4		178				469.9		7		603.2		1.6
18	450	745	82.6	546	457		184				533.4		7		654		1.6
20	500	815	88.9	610	508		190				584.2		7		723.9		1.6
24	600	940	101.6	718	610		203				692.2		7		838.2		1.6
Class 900 Weld Neck Flange Dimensions
Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C	D		E		F		G		H		I		J
01/02/25	15	120	22.3	38	21.3		60		Refer Note		34.9		7		82.6		1.6
03/04/25	20	130	25.4	44	26.7		70				42.9		7		88.9		1.6
1	25	150	28.6	52	33.4		73				50.8		7		101.6		1.6
1 1/4	32	160	28.6	64	42.2		73				63.5		7		111.1		1.6
1 1/2	40	180	31.8	70	48.3		83				73		7		123.8		1.6
2	50	215	38.1	105	60.3		102				92.1		7		165.1		1.6
2 1/2	65	245	41.3	124	73		105				104.8		7		190.5		1.6
3	80	240	38.1	127	88.9		102				127		7		190.5		1.6
4	100	290	44.5	159	114.3		114				157.2		7		235		1.6
5	125	350	50.8	190	141.3		127				185.7		7		279.4		1.6
6	150	380	55.6	235	168.3		140				215.9		7		317.5		1.6
8	200	470	63.5	298	219.1		162				269.9		7		393.7		1.6
10	250	545	69.9	368	273		184				323.8		7		469.9		1.6
12	300	610	79.4	419	323.8		200				381		7		533.4		1.6
14	350	640	85.8	451	355.6		213				412.8		7		558.8		1.6
16	400	705	88.9	508	406.4		216				469.9		7		616		1.6
18	450	785	101.6	565	457		229				533.4		7		685.8		1.6
20	500	855	108	622	508		248				584.2		7		749.3		1.6
24	600	1040	139.7	749	610		292				692.2		7		901.7		1.6
Class 1500 Weld Neck Flange Dimensions
Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C	D		E		F		G		H		I		J
01/02/25	15	120	22.3	38	21.3		60		Refer Note		34.9		7		82.6		1.6
03/04/25	20	130	25.4	44	26.7		70				42.9		7		88.9		1.6
1	25	150	28.6	52	33.4		73				50.8		7		101.6		1.6
1 1/4	32	160	28.6	64	42.2		73				63.5		7		111.1		1.6
1 1/2	40	180	31.8	70	48.3		83				73		7		123.8		1.6
2	50	215	38.1	105	60.3		102				92.1		7		165.1		1.6
2 1/2	65	245	41.3	124	73		105				104.8		7		190.5		1.6
3	80	265	47.7	133	88.9		117				127		7		203.2		1.6
4	100	310	54	162	114.3		124				157.2		7		241.3		1.6
5	125	375	73.1	197	141.3		156				185.7		7		292.1		1.6
6	150	395	82.6	229	168.3		171				215.9		7		317.5		1.6
8	200	485	92.1	292	219.1		213				269.9		7		393.7		1.6
10	250	585	108	368	273		254				323.8		7		482.6		1.6
12	300	675	123.9	451	323.8		283				381		7		571.5		1.6
14	350	750	133.4	495	355.6		298				412.8		7		635		1.6
16	400	825	146.1	552	406.4		311				469.9		7		704.8		1.6
18	450	915	162	597	457		327				533.4		7		774.7		1.6
20	500	985	177.8	641	508		356				584.2		7		831.8		1.6
24	600	1170	203.2	762	610		406				692.2		7		990.6		1.6
Note: Welding Neck bore is derived from the pipe schedule
Class 2500 Weld Neck Flange Dimensions
Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD		Welding Neck Length		Bore		RF Diameter		RF Height		PCD		Weld Face
		A	B	C	D		E		F		G		H		I		J
01/02/25	15	135	30.2	43	21.3		73		Refer Note		34.9		7		88.9		1.6
03/04/25	20	140	31.8	51	26.7		79				42.9		7		95.2		1.6
1	25	160	35	57	33.4		89				50.8		7		108		1.6
1 1/4	32	185	38.1	73	42.2		95				63.5		7		130.2		1.6
1 1/2	40	205	44.5	79	48.3		111				73		7		146		1.6
2	50	235	50.9	95	60.3		127				92.1		7		171.4		1.6
2 1/2	65	265	57.2	114	73		143				104.8		7		196.8		1.6
3	80	305	66.7	133	88.9		168				127		7		228.6		1.6
4	100	355	76.2	165	114.3		190				157.2		7		273		1.6
5	125	420	92.1	203	141.3		229				185.7		7		323.8		1.6
6	150	485	108	235	168.3		273				215.9		7		368.3		1.6
8	200	550	127	305	219.1		318				269.9		7		438.2		1.6
10	250	675	165.1	375	273		419				323.8		7		539.8		1.6
12	300	760	184.2	441	323.8		464				381		7		619

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