UNS N08825, 2.4858 इनकॉलॉय 825 मिश्र धातु के बराबर है
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इस विज्ञापन शेयर
विशिष्टता, रासायनिक और यांत्रिक प्रदर्शन
संक्षारण प्रतिरोधी मिश्र
UNS N08825, 2.4858, Incoloy 825 मिश्र धातु के बराबर है
UNS N08825 is a high-Ni nickel alloy with high corrosion resistance, and possesses extremely high corrosion resistance against oxidizing and non-oxidizing acids.
फॉर्म:
workability
Cold and hot workability are approximately equal to those of standard austenitic stainless steels.
जुड़ने की योग्यता
Possible welding methods include shielded metal arc welding, TIG welding, and MIG welding, in the same manner as with standard austenitic stainless steels. As welding consumables, Alloy 625, DNiCrMo-3 should be used.
मशीन की
NAS 825 has machinability approximately equivalent to standard austenitic stainless steels. In machining, use of a high speed steel tool or superhard tool and a slow feed speed and large cut depth are advised.
उष्मा उपचार
Heat treatment conforms to that for stable austenitic stainless steel (Type 321). Solution heat treatment should be performed somewhat lower than with Type 304, at 930~1030℃ with rapid cooling.
नमकीन बनाना
A mixture of nitric acid and hydrofluoric acid is used in pickling. However, due to the high corrosion resistance of Alloy 825, scale is somewhat difficult to remove in comparison with Type 304. Therefore, the material should be immersed in an alkaline solution before pickling, or if possible, shot blasting is extremely effective.
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