Incoloy 800/800H/800HT Flanges

ASTM B564 800 Inconel WNRF Flanges Manufacturer, Werkstoff No 1.4859 Inconel Industrial Flanges Exporter, Inconel 800H RTJ Flange, Alloy 800HT Socket Weld Flanges, Inconel 800 Forged Flanges Supplies, Inconel 800H Blind Flanges Manufacturer & Stockist in Mumbai, India.

Alpha Overseas(AOS) is a leading manufacturer and supplier of Alloy 800 / 800H / 800HT Flanges, which is intended for high temperature Plate applications. Inconel 800 Flanges has further modifications to the combined titanium and aluminium levels to ensure optimum high temperature properties. Inconel 800H Blind Flanges offers high resistance to several corrosive environments, like intergranular corrosion, pitting and crevice corrosion. Hydrocarbon processing, power generation and heat-treat furnaces are some of the most common applications where Inconel 800HT Slip On Flanges is utilized. Alloy 800 Weld Neck Flangesremains flexible during long span use at temperature below 1290 Degree F (700 Degree C) due to maximum titanium & aluminium content. For high temperature applications requiring optimum rupture and creep properties, Alloy 800H Flanges are used. Alloy 800HT Plate Flanges has enriched creep & stress-rupture features in 1100 Degree F (593 Degree C) to 1800 Degree F (982 Degree C) heat range. Incoloy 800 Flanges is often used in Ethylene furnace quench boilers, Chemical and Petrochemical processing.

Incoloy 800H/800HT Blind Flanges
Incoloy 800H/800HT Blind Flanges
Incoloy 800 Weld Neck Flanges
Incoloy 800 Weld Neck Flanges

Incoloy DIN 1.4876 Orifice Flanges Supplies, Incoloy UNS N08800 Ring Type Joint Flanges Manufactorers, Incoloy 800 Square Flanges, Incoloy 800H Screwed Flanges Supplies, Incoloy 800HT Welding Neck Flanges, Incoloy 800 Flanges Supplier & Exporter in Mumbai India.

The high percentage of nickel maintains an austenitic structure so that Incoloy 800H Flanges is ductile. Incoloy 800HT Flanges is a solution heat treated (2100 Degrees F / 1150 Degrees C), controlled-carbon version alloy with improved elevated temperature properties.

Alloy 800 Flanges with a standard anneal is recommended for service below 1100 Degree F (600 Degree C). We also offer these Alloy 800H Flanges at reasonable price in customized option for our clients.


Incoloy 800/800H/800HT Flanges Specification :

Size : 1/2″NB TO 60″NB

Specification : ASTM B564 / ASME SB564

Standard : ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.

Class : 150#, 300#, 625#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.


Incoloy 800/800H/800HT Flanges Equivalent Grades

Incoloy 800 1.4876 N08800 NCF 800 NA 15 ЭИ670 Z8NC32-21 X10NiCrAlTi32-20 XH32T
Incoloy 800H 1.4958 / 1.4876 N08810 NCF 800H NA 15(H) ЭИ670 Z8NC33-21 X5NiCrAlTi31-20 XH32T
Incoloy 800HT 1.4859 / 1.4876 N08811 NCF 800HT NA 15(HT) ЭИ670 - X8NiCrAlTi32-21 XH32T


Incoloy 800/800H/800HT Forged and Plate Flanges Chemical Composition

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 – 0.60ᴬ 0.15 – 0.60ᴬ


ASTM B564 Incoloy Flanges Mechanical & Physical Properties

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

Testings (Destructive, Non Destructive):
  • Positive Material Identification - PMI Testing
  • Chemical Analysis - Spectro Analysis
  • Mechanical Testing Such as Tensile, Elongation
  • Micro Test
  • Macro Test
  • Hardness Test
  • Pitting Resistance Test
  • Intergranular Corrosion (IGC) Test
  • Flaring Test
  • Flattening Test
  • Hydrostatic Test
  • Hydrogen-Induced Cracking (HIC) Test, NACE TM0284
  • Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177
  • Radiography Test
  • Dye Penetrant Test (DP Test)
  • Ultra Sonic Test (UT)
  • Eddy Current Testing
  • Impact Test
  • Bend Test


  • We understand the importance of packaging specially in case of international shipments as the consignment has to go through a number of channels to reach the final destination, thus we take proper care of packing.
  • We pack our goods in a various ways depending on the products. The different ways in which our products are packed are:
    • Shrink-wrapped
    • Wooden Boxes
    • Wooden Pallets
    • Wooden Crates
    • Carton boxes


  • All our products will have complete marking details which are co-related to the test certificates we supply.
  • In case of orders for cut piece of Pipes, Sheets or Round Bars, the marking is transferred from the product from which it is cut. In such cases we provide Letter confirming the marking transfer and picture of the product from which it is cut.


Delivery Time:
  • If the items are available in stock, we take 2 days from the date of receipt of advance payment to clear the shipment and send it to port.
  • And in-case the items are not availabe in stock, the time taken for manufacturing depends on the size, quantity and grade.
  • However we can claim the fact that we can compete with anyone in India on Delivery time and most of the time our production time is the least.
  • We have tied up with strong logistic partners in India which can undertake any type of shipping activites and make sure that there is no delay in shipment.


  • We welcome stage wise inspection, final stage inspection from any of your representative or third party inspection agencies.
  • We regularly have inspections ongoing at our premises from internationally acclaimed Inspection Agencies such as TUV, Llyods, BVIS, SGS, DNV etc.


  • Incoloy 800 is used to make furnace equipments
  • Alloy 800H is applied in Chemical Processing and Food Processing Plants.
  • Incoloy 800HT is used in Nuclear Power Plants

Other Related Products
Other Types Of Flanges
  • Incoloy 800 Socket Weld Flanges
  • Incoloy DIN 1.4876 Reducing Flanges Distributors at Jordan
  • Alloy 800H Plate Flanges Suppliers
  • Incoloy UNS N08800 Forged Flanges
  • ASTM B564 Inconel 800HT Slip-On Flanges Suppliers from Egypt
  • Incoloy Alloy 800 Weld Neck Flanges
  • Alloy 800H SORF Flanges
  • Incoloy 800HT BLRF Flange Exporter
  • Incoloy EN 1092-1 Flanges
  • Incoloy 800 Forged Flanges
  • Incoloy Alloy Blind Flange Exporter
  • ANSI B 16.47 Inconel Flange
  • Incoloy Flanges Exporter
  • ASME B16.5 Inconel Flanges
  • ASME SB564M Alloy 800 SWRF Flange Stockist in Spain
  • Incoloy 800H Nipoflange
  • ASME SB564 Alloy 800HT BLRF Flange
  • Incoloy 800 Flanges
  • Incoloy 800H Tongue & Groove Flanges
  • Incoloy 800HT Square Flanges Supplier from Malayasia
  • Incoloy 800 Raised Face Flanges
  • Alloy 800H Blind Flanges Manufacturer
  • Incoloy 800HT Lap Joint Flanges Dealers
  • Incoloy 800 Orifice Flanges
  • Incoloy 800H Ring Type Joint Flanges
  • Alloy 800HT Threaded Flanges

Approved manufacturer of
Sabic approved Incoloy 800 Slip-On Flanges
KNPC approved Incoloy 800H Weld Neck Flanges
Williamson approved Incoloy 800HT Blind Flanges
MARAFIQ approved Alloy 800 Lap Joint Flanges
Magnetrol approved Incoloy 800H Orifice Flanges
QATARGAS approved Incoloy 800HT Ring Type Joint Flanges
ONGC approved Incoloy 800 Square Flanges
FW approved Alloy 800H Forged Flanges
IBR approved Incoloy 800HT Plate Flanges
Alba approved Incoloy 800 Reducing Flanges
Kuwait Oil Company approved Incoloy 800H Socket Weld Flanges
Egyptian General Petroleum Corporation approved Alloy 800HT Threaded Flanges
Industry We Serve
Incoloy 800 SWRF Flange in Petrochemical Industry
Incoloy 800H Female Flanges in Oil & Gas Industry at Saudhi Arabia
Incoloy 800HT BLRF Flange in Power Plant
Incoloy 800 SORF Flanges in Pharmaceuticals Industry at Morocco
Incoloy 800H Socket weld Flanges
 in Chemicals Industry
Incoloy 800HT WNRF Flange in Defence Industry
Incoloy 800 RTJ Flanges in Food and Beverages Industry
Incoloy 800H Lap Joint Flanges in Sugar Industry at Czechia
Incoloy 800 RTJ Flanges in Paper Industry
Incoloy 800H Flat Flange in Cement Industry at Russia
Incoloy 800HT Raised Face Flanges Dairy Industry
Incoloy 800 Flanges in Mining Industry

We Supply Our Inconol 800/800h/800ht Flanges in Countries like


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