Yuhong Group Co.,Ltd
| Payment Terms | T/T, L/C |
| Supply Ability | According To Customers' Request |
| Delivery Time | 5 - 60 work days |
| Packaging Details | Ply-wooden Case / Pallet |
| Standard | ASTM B564 / ASME SB564 |
| Material Grade | Inconel 690 |
| Size | 1/2"-48" |
| Pressure | Class150-2500/ PN6-PN100 |
| Technics | Froged |
| Application | Petroleum,chemical,fittings and connection |
| Brand Name | YUHONG |
| Model Number | ASTM B564 N06690 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, L/C | Supply Ability | According To Customers' Request |
| Delivery Time | 5 - 60 work days | Packaging Details | Ply-wooden Case / Pallet |
| Standard | ASTM B564 / ASME SB564 | Material Grade | Inconel 690 |
| Size | 1/2"-48" | Pressure | Class150-2500/ PN6-PN100 |
| Technics | Froged | Application | Petroleum,chemical,fittings and connection |
| Brand Name | YUHONG | Model Number | ASTM B564 N06690 |
| Certification | ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015 | Place of Origin | China |
| High Light | ASTM B564 Inconel 690 Flange ，Extreme High Temperature Inconel 690 Flange ，Corrosive Environments Inconel 690 Flange | ||
ASTM B564 Inconel 690 Flange
ASTM B564 covers nickel-based alloy forgings, including flanges, valves, pipe fittings, etc., suitable for high temperature, high pressure and highly corrosive environments.
Resistant to high temperature oxidation up to 1100°C (high chromium content, forming a stable chromium oxide layer). Resistant to stress corrosion cracking (SCC), especially resistant to chloride, sulfide and caustic (such as NaOH) environments. Low radiation sensitivity, can be widely used in nuclear power equipment.
ASTM B564 Inconel 690 flanges are the top choice for nuclear power, high temperature caustic and chloride corrosion environments. Its high chromium content gives it unparalleled resistance to oxidation and SCC. Despite its high cost, it is irreplaceable in key components of nuclear power plants (such as steam generators). Strictly follow industry specifications (such as ASME III) when selecting, and carefully evaluate alternative materials in strong acid or extreme high temperature scenarios.
| Element | Alloy 690 |
| S | ≤ 0.015% |
| Si | ≤ 0.50% |
| C | ≤ 0.05% |
| Mn | ≤ 0.50% |
| Cu | ≤ 0.50% |
| Fe | 7.0% ~ 11.0% |
| Cr | 27.0% ~ 31.0% |
| Ni | ≥ 58.0% |
| UNS | WERKSTOFF NR. |
| N06690 | 2.4642 |
| Exposure Temperature | Exposure Time, h | Yield Strength (0.2% Offset) | Tensile Strength | Elongation % | Impact Strength | ||||
| °F | °C | ksi | MPa | ksi | MPa | ft-lb | J | ||
| No exposure | – | 41.0 | 283 | 103.5 | 714 | 48 | 140 | 190 | |
| 1050 | 565 | 1000 | 48.5 | 334 | 105.5 | 727 | 45 | 115 | 156 |
| 4000 | 47 | 324 | 105 | 724 | 45 | 126 | 171 | ||
| 12000 | 45.5 | 314 | 105.5 | 727 | 44 | 121 | 164 | ||
| 1100 | 595 | 1000 | 62.5 | 431 | 107 | 738 | 45 | 144 | 195 |
| 4000 | 46.5 | 321 | 106 | 731 | 43 | 125 | 170 | ||
| 13428 | 45.5 | 314 | 105.5 | 727 | 44 | 125 | 170 | ||
| 1200 | 650 | 1000 | 46.8 | 323 | 105.5 | 727 | 46 | 146 | 198 |
| 4000 | 48.5 | 334 | 106 | 731 | 54 | 132 | 179 | ||
| 12000 | 46.1 | 318 | 108.5 | 748 | 41 | 127 | 172 | ||
| 1400 | 760 | 1000 | 50 | 345 | 107 | 738 | 44 | 158 | 214 |
| 4000 | 44.4 | 306 | 103.5 | 714 | 44 | 148 | 201 | ||
| 12000 | 46.5 | 321 | 103.5 | 714 | 46 | 136 | 184 | ||
Nuclear power industry:
PWR steam generator tube sheet flanges, primary cooling system.
High radioactive environment connectors for nuclear waste treatment equipment.
Chemical and petrochemical:
High temperature sulfuric acid alkylation reactor flanges, caustic evaporator pipelines.
Energy and environmental protection:
Gas treatment system of waste incinerator, hot end components of gas turbine.
Marine engineering:
High pressure pipeline flanges for seawater desalination equipment (resistant to Cl⁻ corrosion).
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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