API 605 Flanges Supplier

Standard Specification for API 605 Flanges

Standards

ANSI B16.5, ASME B16.47 series A/B, GOST 12820/12821/12836, EN1092-01/05/11/12/13, JIS B 2220-1984, KS B1503, JIS B 2216, BS4504 BS10 Table D/E.

Pressure

Class 150, 300, 600, 900, 1500, 2500lbs, PN6, PN10, PN16, PN25, PN40

Flange Face Type

Lap-Joint Face, Raised Face, Ring Type Joint, Flat Face, Small Tongue, Large Male-Female, Small Male-Female, Large Tongue & Groove Flanges manufacturer and Supplier.

Most common types

Forged / Threaded / Screwed / Plate

Types of API 605 Flanges

API 605 Weld Neck Flange

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API 605 Slip-On Flange

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API 605 Blind Flange

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API 605 Threaded Flange

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API 605 Flanges Chemical Composition

Grade	C	Si	Mn	P	S	Cr	Ni	Mo	N	Cu
201	≤0.15	≤0.75	5.5~7.5	≤0.060	≤0.03	16.00~18.00	3.5~5.5	-	-	0.08	1.5
202	≤0.15	≤1.00	7.5~10.00	≤0.060	≤0.03	17.00~19.00	4.0~6.0	-	≤0.25
301	≤0.15	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	6.00~8.00	-
302	≤0.15	≤1.00	≤2.00	≤0.035	≤0.03	17.00~19.00	8.00~10.00	-
304	≤0.07	≤1.00	≤2.00	≤0.045	≤0.03	18.00~20.00	8.00~10.50	-
304L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.03	18.00~20.00	9.00~13.00	-
310S	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	24.00~26.00	19.00~22.00	-
316	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	10.00~14.00	2.00~3.00
316L	≤0.03	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	12.00~15.00	2.00~3.00
321	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	17.00~19.00	9.00~13.00	-
430	≤0.12	≤0.75	≤1.00	≤0.040	≤0.03	16.00~18.00		-
2205	≤0.03	≤1.00	≤2.00	≤0.030	≤0.015	22.00~23.00	4.5~6.5	2.5~3.5
2507	≤0.03	≤0.08	≤1.20	≤0.035	≤0.015	24.00~26.00	6.00~8.00	3.0~5.0
904L	≤0.02	≤1.00	≤2.00	≤0.045	≤0.035	19.00~23.00	23.00~28.00	4.0~5.0		1.0~2.0
INCONEL 028	≤0.03	≤1.00	≤2.50	≤0.030	≤0.030	≤28.0	≤34.0	≤4.0		≤1.4
MONEL 400	≤0.30	≤0.5	≤2.00	-	≤0.024	-	≥63.0	-		≤34.0
INCONEL 800	≤0.10	≤1.00	≤1.50	-	≤0.015	≤23.0	≤35	4.0~5.0	-	≤0.75	Ti≤0.6 Al≤0.6

API 605 Threaded Pipe Flange Dimensions

RATING	NOMINAL PIPE SIZE mm	OD FLANGE O	FLANGE THICKNESS WELD NECK QA	FLANGE THICKNESS BLIND QB	OVERALL HEIGHT YY	RF DIAMETER R	HUB DIAMETER X	NECK DIAMETER AW	PCD P	NO. OF BOLT HOLES N	DIAMETER HD
150	650	785	41.4	44.6	89	711	684	661.9	744.5	36	22.3
	700	835	44.6	47.8	96	762	735	712.7	795.3	40	22.3
	750	885	44.6	50.9	100	813	787	763.5	846.1	44	22.3
	800	940	46.2	54.1	108	864	840	814.3	900.1	48	22.3
	850	1005	49.3	57.3	111	921	892	865.1	957.3	40	25.4
	900	1055	52.5	58.9	118	972	945	915.9	1009.6	44	25.4
	950	1125	54.1	63.6	124	1022	997	968.2	1070.0	40	28.5
	1000	1175	55.7	66.8	129	1080	1049	1019.0	1120.8	44	28.5
	1050	1225	58.9	68.4	134	1130	1102	1069.8	1171.6	48	28.5
	1100	1275	60.5	71.6	137	1181	1153	1120.6	1222.4	52	28.5
	1150	1340	62.0	74.6	145	1235	1205	1171.4	1284.3	40	31.7
	1200	1390	65.2	77.9	150	1289	1257	1222.2	1335.1	44	31.7
300	650	865	89.0	89.0	145	737	702	665.2	803.3	32	34.9
	700	920	89.0	89.0	150	787	756	716.0	857.2	36	34.9
	750	990	93.7	93.6	158	845	813	768.4	920.8	36	38.1
	800	1055	103.2	103.2	169	902	864	819.2	977.9	32	41.2
	850	1110	103.2	103.2	173	953	918	870.0	1031.9	36	41.2
	900	1170	103.2	103.2	181	1010	965	920.8	1089.0	32	44.4
	950	1220	111.2	111.2	193	1060	1016	971.6	1139.8	36	44.4
	1000	1275	115.9	115.9	199	1114	1067	1022.4	1190.6	40	44.4
	1050	1335	119.1	119.1	205	1168	1118	1074.7	1244.6	36	47.6
	1100	1385	127.1	127.1	215	1219	1173	1125.5	1295.4	40	47.6
	1150	1460	128.6	130.1	223	1270	1229	1176.3	1365.2	36	50.8
	1200	1510	128.6	134.9	224	1327	1278	1227.1	1416.0	40	50.8
600	650	890	111.2	111.3	181	727	698	660.4	806.4	28	44.4
	700	950	115.9	115.9	190	784	752	711.2	863.6	28	47.6
	750	1020	125.5	127.0	205	841	806	762.0	927.1	28	50.8
	800	1085	130.2	134.9	216	895	860	812.8	984.2	28	53.9
	850	1160	141.3	144.2	233	953	914	863.6	1054.1	24	60.3
	900	1215	146.1	150.9	243	1010	968	914.4	1104.9	28	60.3
900	650	1020	135.0	154.0	259	762	743	660.4	901.7	20	66.6
	700	1105	147.7	166.7	276	819	797	711.2	971.6	20	73.0
	750	1180	155.6	176.1	289	876	851	762.0	1035.0	20	79.3
	800	1240	160.4	186.0	303	927	908	812.8	1092.2	20	79.3
	850	1315	171.5	195.0	319	991	962	863.6	1155.7	20	85.7
	900	1345	173.1	201.7	325	1029	1016	914.4	1200.2	24	79.3

API 605 Steel Flanges Dimension Chart

Norminal Pipe Size	O.D.of Flange, O	Min.Thick-ness of WN Flange, tf	Lenth Through Hub, Y	Diam. of Hub, X	Hub Diam. Top, A	Raised Fase Diam., R	Bore (XS)	Diam of Bolt Circle	No.of Bolt Holes	Diam.of Bolt Hole	Min.Fillet Radius, r1	Approxi-mate Weight kgs
26	785	39.8	87	684	661.9	711	636.5	744.5	36	22.2	10	62.61
28	835	43.0	94	735	712.7	762	687.3	795.3	40	22.2	10	71.98
30	885	43.0	98	787	763.5	813	738.1	846.1	44	22.2	10	78.00
32	940	44.6	106	840	814.3	864	788.9	900.1	48	22.2	10	90.31
34	1005	47.7	109	892	865.1	921	839.7	957.3	40	25.4	10	109.16
36	1055	50.9	116	945	915.9	972	890.5	1009.6	44	25.4	10	122.69
38	1125	52.5	122	997	968.2	1022	942.8	1070.0	40	28.6	10	146.24
40	1175	54.1	127	1049	1019.0	1080	993.6	1120.8	44	28.6	10	158.37
42	1225	57.3	132	1102	1069.8	1130	1044.4	1171.6	48	28.6	11	174.09
44	1275	58.9	135	1153	1120.6	1181	1095.2	1222.4	52	28.6	11	185.45
46	1340	60.4	143	1205	1171.4	1235	1146.0	1248.3	40	31.8	11	217.52
48	1390	63.6	148	1257	1222.2	1289	1196.8	1335.1	44	31.8	11	235.84
50	1445	66.8	152	1308	1273.0	1340	1247.6	1385.9	4	31.8	11	277.60
52	1495	68.4	156	1360	1323.8	1391	1298.4	1436.7	52	31.8	11	274.80
54	1550	70.0	160	1413	1374.6	1441	1349.2	1492.2	56	31.8	11	298.15
56	1600	71.6	165	1465	1425.4	1492	1400.0	1543.0	60	31.8	14	315.74
58	1675	73.1	173	1516	1476.2	1543	1450.8	1611.3	48	34.9	14	375.36
60	1725	74.7	178	1570	1527.0	1600	1501.6	1662.1	52	34.9	14	397.93

API 605 Class 400 Weld neck Flange Dimension

Nominal Size	Outside Diameter (OD)	Min. Thickness (T)	RF Dia. (R)	No. of Bolt Holes	Diameter of Holes	Bolt Circle (BC)	SO Bore ID (SB)	* WN Bore ID (WB)	Dia. Hub Base (HB)	Dia. Hub Top (HT)
API 605/ASME B16.47 Series B Welding Neck Flanges Class 400 LBS Dimensions
NPS	A	B	I	Holes	C	D	F	E	G	Weight
26″	850.9	635	38.1	28	88.9	149.35	688.85	660.4	711.2	165.95
28″	914.4	685.8	41.15	24	95.25	158.9	739.65	711.2	762	204.49
30″	971.55	736.6	41.15	28	101.6	169.93	793.75	762	819.15	239.2
32″	1035.1	787.4	44.45	28	107.95	179.32	844.55	812.8	873.25	283.06
34″	1085.9	838.2	44.45	32	111.25	187.45	898.65	863	927.1	307.92
36″	1155.7	889	47.75	28	119.13	200.15	952.5	914.4	980.95	381.98

API 605/ASME B16.47 Series B Welding Neck Flanges Class 600 LBS Dimensions
NPS	A	B	I	Holes	C	D	F	E	G	Weight
26″	889	635	44.45	28	111.25	180.85	698.5	660.4	726.95	244.55
28″	952.5	685.8	47.75	28	115.82	190.5	752.35	711.2	784.35	287.49
30″	1022.4	736.6	50.8	28	125.48	204.72	806.45	762	841.25	358.02
32″	1085.9	787.4	53.85	28	130.05	215.9	860.55	812.8	895.35	414.01
34″	1162.1	838.2	60.45	24	141.22	233.43	914.4	863.6	952.5	523.71
36″	1212.9	889	60.45	28	146.05	242.82	968.25	914.4	1009.7	564.36

API 60 5/ASME B16.47 Series B Welding Neck Flanges Class 900 LBS Dimensions
NPS	A	B	I	Holes	C	D	F	E	G	Weight
26″	1022.4	635	66.55	20	134.87	258.83	742.95	660.4	762	513.64
28″	1104.9	685.8	73.15	20	147.57	276.35	797.05	711.2	819.15	646.22
30″	1181.1	736.6	79.25	20	155.45	289.05	850.9	762	876.3	765.72
32″	1238.3	787.4	79.25	20	160.27	303.28	908.05	812.8	927.1	863.06
34″	1314.5	838.2	85.85	20	171.45	319.02	962.15	863.6	990.6	1023.53
36″	1346.2	889	79.25	24	172.97	325.37	1016	914.4	1028.7	1038.21

API 605 Flanges Available Types

Slip on Flange
Blind Flange
Weld Neck Flange
Super Duplex Flanges

Stainless Steel Flanges
Socket Weld Flange
Alloy Steel Flanges
Duplex Steel Flanges

API 605 Flanges Export Destinations

Zimbabwe, Belgium, Bhutan, Oman, Switzerland, Spain, United States, Thailand, Vietnam, China, Romania, Israel, Mexico, Bolivia, Indonesia, Iran, Ecuador, Japan, Costa Rica, Yemen, Russia, Italy, Lithuania, Australia, Netherlands, Colombia, Czech Republic, South Africa, Ireland, Turkey, Ukraine, Tibet, Qatar, Hungary, United Kingdom, Singapore, Jordan, Nepal, Philippines, Nigeria, Croatia, Kazakhstan, Norway, Tunisia, Egypt, Mongolia, Finland, Azerbaijan, Malaysia, Namibia, Serbia, Gambia, Libya, Greece, Ghana, Belarus, Chile, Estonia, Angola, Peru, Germany, Kenya, Saudi Arabia, South Korea, Macau, Puerto Rico, Taiwan, Lebanon, Poland, Hong Kong, Bulgaria, Bahrain, United Arab Emirates, Kuwait, Slovakia, France, Trinidad & Tobago, Sweden, India, Iraq, Venezuela, Bangladesh, Canada, Argentina, Austria, Gabon, Afghanistan, Sri Lanka, Algeria, Brazil, Morocco, New Zealand, Denmark, Portugal.

Domestic Supply of API 605 Flanges

Melbourne, Ahvaz, Algiers, Santiago, Hong Kong, La Victoria, Mexico City, Calgary, Noida, Edmonton, Visakhapatnam, Doha, Chennai, Cairo, Dubai, Istanbul, Madrid, Kuala Lumpur, Colombo, New Delhi, Singapore, Abu Dhabi, Haryana, Al Jubail, Geoje-si, Nashik, Thane, Bengaluru, Howrah, Sharjah, Courbevoie, Indore, Tehran, Dammam, Manama, Busan, Vadodara, Sydney, Faridabad, Dallas, Jakarta, Riyadh, Ulsan, Gimhae-si, London, Kanpur, Jaipur, Baroda, Gurgaon, Houston, Hyderabad, Rio de Janeiro, Secunderabad, Thiruvananthapuram, Toronto, Caracas, Ankara, Pimpri-Chinchwad, Karachi, Navi Mumbai, Jamshedpur, Coimbatore, Chandigarh, Pune, Ahmedabad, Rajkot, Kolkata, Al Khobar, Brisbane, Seoul, Granada, Montreal, Ranchi, Jeddah, Los Angeles, Surat, Atyrau, Muscat, Bhopal, Lagos, Ho Chi Minh City, Bogota, Vung Tau, Nagpur, Kuwait City, Bangkok, Moscow, Perth, Petaling Jaya, Hanoi, New York, Mumbai, Ernakulam, Milan, Ludhiana, Port-of-Spain, Aberdeen, Chiyoda.