Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C at sight |
| Supply Ability | according to client requirements |
| Delivery Time | 1 week |
| Packaging Details | according to client requirements/wooden case packing |
| Material Grade | UNS N06022, HASTELLOY C-22 , 2.4602 |
| Standard | ASTM B622, ASME SB622 , ASTM B619, ASTM B626 |
| Certificate | ABS, LR, BV, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Third Party Inspection | BV,SGS,ASP, IEI, TUV, DNV, INTERTECK, MOODY, IBV ,... |
| Application | Petrochemical , Super heating, Chemincal reactor, Boiler , Heat Exchanger, Cooling |
| Packing | Ply wooden case |
| NDT | ET, UT, PT, HT, RT |
| Brand Name | YUHONG |
| Model Number | UNS N06022, HASTELLOY C-22 , 2.4602 |
| Certification | ABS, LR, BV, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA |
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Product Specification
| Payment Terms | T/T, L/C at sight | Supply Ability | according to client requirements |
| Delivery Time | 1 week | Packaging Details | according to client requirements/wooden case packing |
| Material Grade | UNS N06022, HASTELLOY C-22 , 2.4602 | Standard | ASTM B622, ASME SB622 , ASTM B619, ASTM B626 |
| Certificate | ABS, LR, BV, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 | Third Party Inspection | BV,SGS,ASP, IEI, TUV, DNV, INTERTECK, MOODY, IBV ,... |
| Application | Petrochemical , Super heating, Chemincal reactor, Boiler , Heat Exchanger, Cooling | Packing | Ply wooden case |
| NDT | ET, UT, PT, HT, RT | Brand Name | YUHONG |
| Model Number | UNS N06022, HASTELLOY C-22 , 2.4602 | Certification | ABS, LR, BV, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008 |
| Place of Origin | CHINA | ||
| High Light | heat recovery pipe ，seamless stainless steel tube | ||
ASTM B622 / ASME SB622 Hastelloy C22 (UNS NO6022 ) Seamless Tube, Heat Exchanger /Boiler Application
Hastelloy C-22, also known as alloy C-22, is a versatile austenitic nickel-chromium-molybdenum-tungsten alloy with enhanced resistance to pitting, crevice corrosion and stress corrosion cracking. The high chromium content provides good resistance to oxidizing media while the molybdenum and tungsten content give good resistance to reducing media. This nickel steel alloy also has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chlorine ions. Other corrosives Hastelloy C-22 has resistance to are oxidizing acid chlorides, wet chlorine, formic and acetic acids, ferric and cupric chlorides, sea water, brine and many mixed or contaminated chemical solutions, both organic and inorganic. This nickel alloy also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. This is beneficial in multi- purpose plants where such “upset” conditions occur frequently.
This nickel alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition.
Hastelloy C-22 should not be used in service temperatures above 1250° F due to the formation of detrimental phases which form above this temperature.
What are the characteristics of Hastelloy C-22?
Chemical Composition, %
| C | Cr | Co | Fe | Mn | Mo | Ni | P |
|---|---|---|---|---|---|---|---|
| .010 max | 20-22.5 | 2.5 max | 2.0-6.0 | .50 max | 12.5-14.5 | Balance | .02 max |
| Si | S | W | V | ||||
| .08 max | .02 max | 2.5-3.5 | .35 max |
In what applications is Hastelloy C-22 used?
Fabrication of Hastelloy C-22
Although ductile enough to be formed by cold working, intermediate annealing may be necessary due to work hardening. Forging should be performed between 1750-2050° F followed by rapid cooling. Annealing can be performed at a temperature range between 2020-2150° F followed by a rapid quench. Cooling at an accelerated rate avoids the formation of detrimental phases which form between 1400-1800° F. Welding can be done by gas tungsten-arc, gas metal-arc and shielded metal-arc processes.
ASTM Specifications
| Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Forging | Fitting |
|---|---|---|---|---|---|---|---|
| B622 | B619 | B622 | B626 | B575 | B574 | B564 | B366 |
Mechanical Properties
Typical Room Temperature Tensile Properties of Annealed Material
| Product Form | Tensile (ksi) | 0.2% Yield (ksi) | Elongation % | Hardness (HRb) |
|---|---|---|---|---|
| Plate (.25”-1.75”) | 112 | 53 | 62 | 89 |
| Sheet (.038”-.15”) | 122 | 63 | 54 | 93 |
| Bar (.50”-5.50”) | 115 | 55 | 60 | 89 |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller,Other
Year Established:
2007
Total Annual:
50M-70M
Employee Number:
50~850
Ecer Certification：
Verified Supplier
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9... YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9...
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