Inconel 800 Flanges | ASTM B564 UNS N08800 Incoloy 800 Flanges Supplier

The Incoloy 800 alloy family is critical in the production of high-performance flanges because of its excellent resistance to corrosion, oxidation, carburization, and sulfidation. These alloys have proven to be versatile connecting components because there are numerous types available, such as forged, plate, orifice and lap joint flanges.

While the base alloy maintains a stable, ductile structure due to its high nickel content, the 800H and 800HT grades feature precise control over titanium, carbon, and aluminum to enhance performance under extreme heat. These specialized alloys stand out for their extraordinary ability to withstand hostile carburizing and nitriding atmospheres. Standard Incoloy 800 Flanges perform excellently up to 1100° F.

For continuous, high-temperature service exceeding this limit, the enhanced mechanical stability and creep-rupture resistance of Alloy 800H or 800HT are required. For example, the Alloy 800HT Weld Neck Flange maintains integrity between 1200° F - 1600° F, resisting brittleness—a common drawback of conventional stainless steels. This robust composition makes Incoloy 800 flanges indispensable across critical sectors, including chemical processing, oil and gas, aerospace, marine environments, and pipeline construction.

Beyond the high-temperature and carburization resistance of the 800 series, we also specialize in a full range of high-nickel Inconel flanges.

Inconel 800 Flanges, Alloy 800 Flanges, Nickel Alloy 800 Flange, Inconel 1.4876 Flanges, UNS N08800 Flange, Inconel 800H Industrial Flanges, ANSI B16.5 Inconel 800HT Flanges, Inconel 800H Pipe Flanges, Inconel Alloy 800 Flanges, ASTM B408 800 Inconel Flange Supplier in India

Solitaire Overseas is a premier manufacturer and exporter, committed to delivering high-quality Incoloy 800 flanges specifically engineered to thrive in the toughest environments. Our manufacturing process ensures unmatched precision and structural integrity, strictly adhering to stringent international standards, including ASTM B564 and ASME SB564. We prioritize customer confidence by maintaining rigorous quality control and providing perfect material traceability for every flange delivered, confirming that the specified alloy and dimensions meet your exact project requirements.

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Inconel 800 Flanges Specification
UNS N08800 Inconel 800 Flanges Equivalent Grades
Chemical Composition of Inconel 800 Flanges
Mechanical Properties of Inconel 800 Flanges
HS Code of Alloy 800 Flanges
Dimensions of Incoloy 800 Flanges
Incoloy N08800 Blind Flanges Thickness
ASTM B564 UNS N08800 Flange Weight Chart
Alloy 800 Flanges Pressure Rating
ASTM B564 Incoloy 800 Flanges Price List
Types Of Incoloy 800 Flanges
Applications of Incoloy 800 Flanges

Inconel 800 Flanges Specification

Category	Specification Details
Specifications	ASTM B408 / ASME SB408
Flange size range	1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Flanges Dimensions	ANSI/ ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Flanges Standard	ANSI Flanges, AWWA Flanges, ASME Flanges, BS 10 Table D Flanges, Table E Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges.
Pressure Class / Rating	Class 150 LBS, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Connect Type/ Flange Face Type	Raised Face (RF), Ring Type Joint (RTJ), Large Male-Female (LMF), Flat Face (FF), Small Male-Female (SMF), Lap-Joint Face (LJF), Small Tongue, Large Tongue & Groove
Specialized manufacturer of	Weld Neck Ring Flanges (WNRF), Slip-On Ring Flanges (SORF), Blind Ring Flanges (BLRF), Socket Weld Ring Flanges (SWRF), Lap Joint Ring Flanges (LJRF), Ring Type Joint Flanges (RTJF), Large Diameter Flanges, Orifice Flanges
Test Certificates	EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc

UNS N08800 Inconel 800 Flanges Equivalent Grades

STANDARD	WERKSTOFF NR.	UNS	GOST	AFNOR	JIS	BS	EN	OR
Incoloy 800	1.4876	N08800	ЭИ670	Z8NC32-21	NCF 800	NA 15	X10NiCrAlTi32-20	XH32T
Incoloy 800H	1.4958 / 1.4876	N08810	ЭИ670	Z8NC33-21	NCF 800H	NA 15(H)	X5NiCrAlTi31-20	XH32T
Incoloy 800HT	1.4859 / 1.4876	N08811	ЭИ670	–	NCF 800HT	NA 15(HT)	X8NiCrAlTi32-21	XH32T

Chemical Composition of Inconel 800 Flanges

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr	Al	Ti
800	0.10 max	1.50 max	1.00 max	0.015 max	0.75 max	39.50 min	30.00 – 35.00	19.00 – 23.00	0.15 – 0.60	0.15 – 0.60
800H	0.05 – 0.10	1.50 max	1.00 max	0.015 max	0.75 max	39.50 min	30.00 – 35.00	19.00 – 23.00	0.15 – 0.60	0.15 – 0.60
800HT	0.06 – 0.10	1.50 max	1.00 max	0.015 max	0.75 max	39.50 min	30.00 – 35.00	19.00 – 23.00	0.15 – 0.60	0.15 – 0.60

Mechanical Properties of Inconel 800 Flanges

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Alloy 800 / 800H / 800HT	7.94 g/cm3	1385 °C (2525 °F)	Psi – 75,000 , MPa – 520	Psi – 30,000 , MPa – 205	30 %

HS Code of Alloy 800 Flanges

Product	HSN Code
Inconel 800 Flanges	73079190

Dimensions of Incoloy 800 Flanges

Nominal Size	Outside Diameter (OD)	RF Dia. (R)	Diameter of Holes	No. of Bolt Holes	Min. Thickness (T)	Bolt Circle (BC)	WN Bore ID (WB)	SO Bore ID (SB)	Dia. of Hub Top (HT)	Dia. Hub Base (HB)	WN LTH (WL)	SO LTH (SL)
1⁄2	3.50	1.38	0.62	4	0.38	2.38	0.62	0.88	0.84	1.19	1.81	0.56
3⁄4	3.88	1.69	0.62	4	0.44	2.75	0.82	1.09	1.05	1.50	2.00	0.56
1	4.25	2.00	0.62	4	0.50	3.12	1.05	1.36	1.32	1.94	2.12	0.62
11⁄4	4.62	2.50	0.62	4	0.56	3.50	1.38	1.70	1.66	2.31	2.19	0.75
11⁄2	5.00	2.88	0.62	4	0.62	3.88	1.61	1.95	1.90	2.56	2.38	0.81
2	6.00	3.62	0.75	4	0.69	4.75	2.07	2.44	2.38	3.06	2.44	0.94
21⁄2	7.00	4.12	0.75	4	0.81	5.50	2.47	2.94	2.88	3.56	2.69	1.06
3	7.50	5.00	0.75	4	0.88	6.00	3.07	3.57	3.50	4.25	2.69	1.12
31⁄2	8.50	5.50	0.75	8	0.88	7.00	3.55	4.07	4.00	4.81	2.75	1.19
4	9.00	6.19	0.75	8	0.88	7.50	4.03	4.57	4.50	5.31	2.94	1.25
5	10.00	7.31	0.88	8	0.88	8.50	5.05	5.66	5.56	6.44	3.44	1.38
6	11.00	8.50	0.88	8	0.94	9.50	6.07	6.72	6.63	7.56	3.44	1.50
8	13.50	10.62	0.88	8	1.06	11.75	7.98	8.72	8.63	9.69	3.94	1.69
10	16.00	12.75	1.00	12	1.12	14.25	10.02	10.88	10.75	12.00	3.94	1.88
12	19.00	15.00	1.00	12	1.19	17.00	12.00	12.88	12.75	14.38	4.44	2.12
14	21.00	16.25	1.12	12	1.31	18.75	13.25	14.14	14.00	15.75	4.94	2.19
16	23.50	18.50	1.12	16	1.38	21.25	15.25	16.16	16.00	18.00	4.94	2.44
18	25.00	21.00	1.25	16	1.50	22.75	17.25	18.18	18.00	19.88	5.44	2.62
20	27.50	23.00	1.25	20	1.62	25.00	19.25	20.20	20.00	22.00	5.62	2.81
22	29.50	25.25	1.38	20	1.75	27.25	21.25	22.22	22.00	24.25	5.82	3.07
24	32.00	27.25	1.38	20	1.81	29.50	23.25	24.25	24.00	26.12	5.94	3.19

Incoloy N08800 Blind Flanges Thickness

(NPS)	O.D.	STD Wall Outside Daimeter	EXT Hvy Outside Daimeter	Sch 10	Sch 20	Sch 30	Sch 40	Sch 60	Schedule 80	Schedule 100	Schedule 120	Schedule 140	Schedule 160	XX Hvy
½	0.84	0.109	0.147	0.083	-	-	0.109	-	0.147	-	-	-	0.188	0.294
¾	1.05	0.113	0.154	0.083	-	-	0.113	-	0.154	-	-	-	0.219	0.308
1	1.315	0.133	0.179	0.109	-	-	0.133	-	0.179	-	-	-	0.25	0.358
1 ¼	1.66	0.14	0.191	0.109	-	-	0.14	-	0.191	-	-	-	0.25	0.382
1 ½	1.9	0.145	0.2	0.109	-	-	0.145	-	0.2	-	-	-	0.281	0.4
2	2.375	0.154	0.218	0.109	-	-	0.154	-	0.218	-	-	-	0.344	0.436
2 ½	2.875	0.203	0.276	0.12	-	-	0.203	-	0.276	-	-	-	0.375	0.552
3	3.5	0.216	0.3	0.12	-	-	0.216	-	0.3	-	-	-	0.438	0.6
3 ½	4	0.226	0.318	0.12	-	-	0.226	-	0.318	-	-	-	-	0.636
4	4.5	0.237	0.337	0.12	-	-	0.237	-	0.337	-	0.438	-	0.531	0.674
5	5.563	0.258	0.375	0.134	-	-	0.258	-	0.375	-	0.5	-	0.625	0.75
6	6.625	0.28	0.432	0.134	-	-	0.28	-	0.432	-	0.562	-	0.719	0.864
8	8.625	0.322	0.5	0.148	0.25	0.277	0.322	0.406	0.5	0.594	0.719	0.812	0.906	0.875
10	10.75	0.365	0.5	0.165	0.25	0.307	0.365	0.5	0.594	0.719	0.844	1	1.125	1
12	12.75	0.375	0.5	0.18	0.25	0.33	0.406	0.562	0.688	0.844	1	1.125	1.312	1
14	14	0.375	0.5	0.25	0.312	0.375	0.438	0.594	0.75	0.938	1.094	1.25	1.406	-
16	16	0.375	0.5	0.25	0.312	0.375	0.5	0.656	0.844	1.031	1.219	1.438	1.594	-
18	18	0.375	0.5	0.25	0.312	0.438	0.562	0.75	0.938	1.156	1.375	1.562	1.781	-
20	20	0.375	0.5	0.25	0.375	0.5	0.594	0.812	1.031	1.281	1.5	1.75	1.969	-
22	22	0.375	0.5	0.25	-	-	-	-	-	-	-	-	-	-
24	24	0.375	0.5	0.25	0.375	0.562	0.688	0.969	1.219	1.531	1.812	2.062	2.344	-
26	26	0.375	0.5	-	-	-	-	-	-	-	-	-	-	-
30	30	0.375	0.5	0.312	0.5	0.625	-	-	-	-	-	-	-	-
36	36	0.375	0.5	0.312	0.5	0.625	0.75	-	-	-	-	-	-	-
40	40	0.375	0.5	-	-	-	-	-	-	-	-	-	-	-
42	42	0.375	0.5	-	-	-	-	-	-	-	-	-	-	-
48	48	0.375	0.5	-	-	-	-	-	-	-	-	-	-	-

ASTM B564 UNS N08800 Flange Weight Chart

Standard	Class	No of Bolts	Bolts Circle Dia	Dia	Dia of Bolts Hole	Bolts Size
AS4087	PN14	4	67	95	14	M12
ISO 7005 Flange (DIN)	PN6	4	55	80	11	M10
	PN16	4	65	95	14	M12
	PN20	4	60.5	90	16	M14
	PN10	4	65	95	14	M12
	PN25	4	65	95	14	M12
	PN40	4	65	95	14	M12
AS 2129 Flange	Table C	4	67	95	14	13
	Table E	4	67	95	14	13
	Table D	4	67	95	14	13
	Table F	4	67	95	14	13
	Table H	4	83	114	17	16
	Table J	4	83	114	17	16
ANSI B16.5	ANSI 150	4	60	89	16	13
	ANSI 600	4	67	95	16	13
	ANSI 900	4	83	121	22	19
	ANSI 300	4	67	95	16	13
	ANSI 1500	4	83	121	22	19

Alloy 800 Flanges Pressure Rating

Temperature °F	2500#	1500#	900#	600#	400#	300#	150#
-20 to 100	6000	3600	2160	1440	960	720	275
200	5160	3095	1860	1240	825	620	235
300	4660	2795	1680	1120	745	560	215
400	4280	2570	1540	1025	685	515	195
500	3980	2390	1435	955	635	480	170
600	3760	2255	1355	900	600	450	140
650	3700	2220	1330	890	590	445	125
700	3620	2170	1305	870	580	430	110
750	3560	2135	1280	855	570	425	95
800	3520	2110	1265	845	565	420	80
850	3480	2090	1255	835	555	420	65
900	3460	2075	1245	830	555	415	50
950	3220	1930	1160	775	515	385	35
1000	2915	1750	1050	700	465	350	20
1050	2865	1720	1030	685	460	345	20
1100	2545	1525	915	610	405	305	20
1150	1970	1185	710	475	315	235	20
1200	1545	925	555	370	245	185	20
1250	1230	735	440	295	195	145	20
1300	970	585	350	235	155	115	20
1350	800	480	290	190	130	95	20
1400	630	380	225	150	100	75	20
1450	485	290	175	115	80	60	20
1500	345	205	125	85	55	40	20

ASTM B564 Incoloy 800 Flanges Price List

Price of Incoloy 800 Flanges	Price
1/2" Class 600 SO RF UNS N08800 Flange	FOB Price US $2.00-$10.00/ Piece
Nickel Alloy Steel Incoloy 800 Slip On Flange RF 5'' 600LB Forged	FOB Price US $23.40-$25.30/ Piece
Customized Precision Incoloy 800 Flange	FOB Price US $5.00-$20.00/ Piece
Incoloy Alloy 800 UNS N08800 3/4" 150 # Blind Flange rf	FOB Price US $35.00-$39.00/ Piece
Customized precision Incoloy 800 800H/ HT flanges	FOB Price US $17.50-$20.00/ Piece
Incoloy 800 UNS N08800 Paddle blind and spacer ring	FOB Price US $5.00-$7.00/ Piece
Incoloy 800 N08800 Plate Blind Flanges SO SW WN PL LJ RJ RF BLD	FOB Price US $1.00/ Piece
1/2" Class 600 SO RF N08800 Orifice Flange	FOB Price US $11.00-$30.00/ Piece
Incoloy 800 RF 4'' 150BL ASME B16.5	FOB Price US $456.92-$458.00/ Piece
Large diameter Incoloy 800 flange for Ship building & marine	FOB Price US $20.00/ Piece
ASTM B564 Incoloy 800 UNS N08800 nickel alloy weld neck flat face (ff) flanges	FOB Price US $3.00/ Piece
1/2" Class 600 SO RF N08800 Flange	FOB Price US $1.00-$1.80/ Kilogram
SORF / WNRF Incoloy 800 Forged Flanges	FOB Price US $5.00-$7.00/ Piece