Inconel 690 Special Alloy UNS N06690 Alloy For Nitric Acid And Steam Heating Coils
Brand Name:WL
Model Number:Inconel 690
Minimum Order Quantity:15KG
Delivery Time:within 10 days
Payment Terms:L/C, T/T
Place of Origin:China
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Location:
Changzhou Jiangsu China
Address:
B610, No.16, Yanzheng Middle Road, Hutang Town, Wujin District, Changzhou City, Jiangsu Province
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Product Details
Inconel 690 Special Alloy UNS N06690 High-Temperature Alloy Used In Production Of Nitric Acid And Steam-Heating Coils
Product Description
Inconel Alloy 690 (UNS designation N06690) is a high-chromium nickel alloy with excellent resistance to many corrosive aqueous media and high-temperature atmospheres. The alloy' s high chromium content gives it excellent resistance to aqueous corrosion by oxidizing acids (especially nitric acid) and salts, and to sulfidation at high-temperatures.
Similar Grade
| UNS | W-Nr |
| N06690 | 2.4642 |
Chemical Composition(%)
| % | Ni | Cr | Fe | C | Mn | Si | P | S | Cu |
| Min | 58.0 | 27.0 | 5.0 | ||||||
| Max | 31.0 | 11.0 | 0.05 | 0.5 | 0.5 | 0.02 | 0.015 | 0.5 |
Physical Properties
| Grade | Density | Melting Point | Tensile strength,MPa | Yield strength,MPa | Elongation,% |
| Inconel 690 | 8.19g/cm3 | 1343°C-1367 °C | 650 | 310 | 30 |
Feature
Inconel 690 has good resistance to oxidizing chemicals, such as nitric acid, and to sulfur-containing gases at high temperature. Inconel 690 has a superior stress cracking resistance than Inconel 600 in steam generation nuclear reactors for piping, separators and weldments.
Specification Standard
| Rod,Bar | Pipe, Tube | Plate, Sheet, Strip | Pipe fittings | Forgings | Wire |
ASTM B166 DIN 17752 ISO 9723 | ASTM B163,B165,B829, B730,B751 DIN 17751 ISO 6207 | ASTM B127,B906 DIN 17750 ISO 6208 | ASTM B366 | ASTM B564 ISO 9725 DIN 17754 | ASTM B164 DIN 17753 ISO 9724 |
APPLICATIONS
Applications involving nitric acid or nitric-plus-hydrochloric acid.
Examples are tail-gas reheaters used in production of nitric acid and steam-heating coils in nitric- plus-hydrochloric acid solutions used for pickling stainless steels and reprocessing nuclear fuels.
Inconel 690 is also useful for high-temperature service in gases containing sulfur.
Inconel 690 Special Alloy UNS N06690 Alloy For Nitric Acid And Steam Heating Coils
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