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Website:http://www.sinospecialmetal.com/ http://xinnuomai.hantangguwan.com/
Hastelloy C22 Flanges are a technique used by many industries in the connecting of pipes, valves, pumps and other equipment, into what is referred to as a piping system. The secondary task of a C22 Alloy flange is to provide easy access for cleaning, inspection as well as modification. Generally, UNS N06022 flanges are usually welded or screwed. In those instances where welding or bolting the flange is not possible, many industries prefer using WNR 2.4602 Threaded Flanges. Threaded flanges are particularly useful for those applications that transport across flammable substances in their piping system. In the instance when bolting is to be used, bolts are used to hold together two flanges with a gasket in between them to provide a seal. Similar to other nickel alloy grades, Hastelloy C22 is very ductile and can be easily fabricated into industrial components such as Alloy C22 Blind Flange using specification ASTM B564.
The high content of chromium in the alloy is what provides these flanges with much higher resistance to oxidizing media in comparison to the Hastelloy family i.e. C276 alloy. Apart from exhibiting excellent weldability properties, the other chief attributes of ASTM B564 Hastelloy C22 Slip On Flange includes its resistance to both oxidizing as well as non-oxidizing chemicals, in addition to exceptional resistance to chloride induced pitting. Chlorine induced pitting is a form of an insidious and unpredictable attack, to which many conventional stainless steel grades are susceptible. Moreover, the ASTM B564 UNS N06022 Flanges offers protection from localized corrosion such as pitting, crevice attack, and stress corrosion cracking.
Hastelloy C22 Flange Specification
Product Name |
Hastelloy C22 Flanges |
Size Range |
1/2″ (15 NB) to 48″ (1200NB) |
Class / Pressure Rating |
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
Standards / Dimensions |
ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605 |
Dimensions |
ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings |
Test Certificates |
100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc |
Tests |
Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector |
Hastelloy C22 Flange International Standards
STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
GOST |
EN |
OR |
Hastelloy C22 |
2.4602 |
N06022 |
NW6022 |
– |
NiCr21Mo14W |
– |
Hastelloy C22 is one of the well-known and well-proven nickel-chromium-molybdenum materials, the chief attributes of which are resistance to both oxidizing and non-oxidizing chemicals, and protection from pitting, crevice attack, and stress corrosion cracking. Its high chromium content provides much higher resistance to oxidizing media than the family standard, C276 alloy, and imparts exceptional resistance to chloride-induced pitting, an insidious and unpredictable form of attack, to which the stainless steels are prone.
Hastelloy C22 Flange Chemical Composition
Ni |
Cr |
Mn |
Mo |
Co |
C |
Si |
Fe |
S |
P |
|
Max % |
Balance |
22.5 |
0.50 |
14.5 |
2.50 |
0.010 |
0.08 |
6.0 |
0.02 |
0.02 |
Min % |
20.0 |
12.5 |
2.0 |
Hastelloy C22 Flange Mechanical Properties
Density |
Melting Point |
Tensile Strength |
Yield Strength (0.2% Offset) |
Elongation |
8.69 g/cm3 |
1399 °C (2550 °F) |
Psi – 1,00,000, MPa – 690 |
Psi – 45000, MPa – 310 |
45 % |
UNS N06022 is nickel-base and typically contains 22% chromium, 14% molybdenum, and 3% tungsten. Iron is normally limited to less than 3%. The alloy’s high content of chromium gives it good resistance to wet corrosion by oxidizing media (e.g., nitric acid and ferric and cupric salts). Its contents of molybdenum and tungsten give the alloy resistance to wet reducing media (e.g., sulfuric and hydrochloric acids). WERKSTOFF NR. 2.4602 exhibits excellent resistance to corrosive attack by seawater under stagnant and flowing conditions.
At elevated temperatures, the high chromium level of Hastelloy C-22 Alloy helps it resist oxidation, carburization, and sulfidation. Since it is nickel-base, alloy 22 resists high temperature attack by halides (e.g., chlorides and fluorides). With these attributes, the alloy is widely used to protect steel tubes and other components in coal-fired and waste-to-energy boilers.
Sino Special Metal manufactures WERKSTOFF NR. 2.4602 Hastelloy C22 Flanges in the following Flange Face Types and Connection Types: Hastelloy C22 Flat Face Flanges, Hastelloy C22 Raised Face Flanges, JIS NW6022 Ring Joint Flanges, Hastelloy C22 Lap Joint Flanges, WERKSTOFF NR. 2.4602 Male and Female Flanges, WERKSTOFF NR. 2.4602 Large and Small Tongue and Groove Flanges. etc.
Hastelloy C22 Flanges Quality Control
Sino Special Metal has rich experience in special steel flange manufacturing, not only in prodution but also the research and development, We invest a lot in mould opening to improve our product range, and we can manufacture flanges in all types, grades, sizes, and dimensions. With all these products Sino Special offers costumers the most complete range of pipe flanges, and our team keeps on studying the market requirements for future innovations.
Hastelloy C22 Flanges Production Line
Sawing |
Our raw material includes billets, ingots, round bars. We will estimate input raw material according to finish product, and saw as per work sheet |
Heating |
Three heating furnaces, max 1500kgs, can heat 3 tons per day for one shift |
Hammering |
Totally four hammers, max 1000kg |
Heat Treatment |
For stainless steel, normally we will heat to 1050 degree, and holding for 2.5-3 hours, and then cooling in water |
Rough Machining |
Total twenty-three vertical lathes |
Final Machining |
Numerical lathe to guranteen the accuracy |
Drilling Holes |
Ten drilling machines |
Marking |
Marking with auto machine |
Cleaning |
Clean steel flanges |
Package |
Suitable seaway transportation package, plywooden case with plastic film sealed inside |
The Applications of Hastelloy C22 Flange
Hastelloy steel C22 Flange is used for various applications-
• Seawater
• Oil & Gas
• Solar power
• Mining
• Biomass
• Geothermal
• Nuclear power and many others
Petrochemicals, pharmaceuticals, heat exchangers, and power generation are just a few of the industries that use alloy steel flanges. In addition, sectors such as paper manufacture, oil and gas, and textile require alloy steel flanges.
Weld Neck Flanges are primarily employed in high-pressure applications over a greater temperature range, from sub-zero to higher temperatures. However, they are widely employed in a few industries, such as chemicals, medicines, petroleum, and gas. In other words, it appears to be a part of practically every sector that uses bulk pipes. These Hastelloy c22 flange are used in a wide range of industries. It’s also used in chlorination systems, nuclear fuel reprocessing, pickling systems, and a variety of other applications.
Other Types Of Hastelloy C22 Flange
WNR 2.4602 Hastelloy C22 Flat Face FFHigh Hub Flange |
ASME B16.47 Series A and B ASME SB564 UNS N06022 Hastelloy C22 Flange |
Hastelloy Alloy C22 1/2″ to 48″ Expander Flange |
WNR 2.4602 Hastelloy C22 ASME B16.36 250-500 AARH Flange |
Hastelloy UNS N06022 Alloy C22 Reducing Flange |
Hastelloy Alloy C22 ASME B16.48 Stock Finish Flange |
WNR 2.4602 ASTM B564 Hastelloy C22 WeldoFlange |
EN1902-1 Hastelloy UNS N06022 Alloy C22 Flange |
ASTM B564 UNS N06022 Hastelloy C22 NipoFlange |
DIN 2630 2631 2632 2633 2634 2635 2636 Hastelloy C22 Weld Neck Flange |
ASTM B564 Hastelloy C22 Backing Flange |
DIN 2637 2638 2628 2629 2627 Hastelloy C22 Weld Neck Flange |
Hastelloy UNS N06022 Alloy C22 Customized Forgings Shaft |
DIN 2565 2566 2567 2568 2569 Hastelloy C22 Threaded Flanges with Neck |
WNR 2.4602 ASTM B564 Hastelloy C22 Customized Rings Sleeves |
DIN 2641 2642 ASTM B564 Hastelloy C22 Lapped Flanges Plain Collar |
ASTM B564 UNS N06022 Hastelloy C22 Customized Disc Plate |
Hastelloy C22 DIN 86029 86030 Oval Plain Threaded Flanges |
ASME B16.5 ASTM B564 Hastelloy C22 Ra3.2 Ra6.3 Flange |
WNR 2.4602 Hastelloy C22 DIN 28115 Long Welding Neck Flanges |
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