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NXF Customizable Chemical Use ASTM B581,ASTM B582,ASTM B61 DN 6-100 Class 3000-6000 Alloy G-35/UNS N06035 Threaded Cap

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NXF Customizable Chemical Use ASTM B581,ASTM B582,ASTM B61 DN 6-100 Class 3000-6000 Alloy G-35/UNS N06035 Threaded Cap

Product Description

Designated as UNS N06035 or DIN 2.4643, Alloy G-35 is a nickel-chrimium-molybdenum alloy designed to resist “wet process” phosphoric acid, which is used in the production of fertilizers. Similar to Hastelloy G-30, G35 alloy also has excellent resistance to localized attack in the presence of chlorides, since this can be a problem beneath deposits in evaporators used to concentrate “wet process” phosphoric acid. Besides, it is much less susceptible to chloride-induced stress corrosion cracking than the stainless steels and nickel-chromium-iron alloys traditionally used in “wet process” phosphoric acid. Due to the high chromium content, Hastelloy G-35 is extremely resistant to other oxidizing acids, such as nitric, and mixtures containing nitric acid. It possesses moderate resistance to reducing acids, as a result of its appreciable molybdenum content, and, unlike other Ni-Cr-Mo alloys, it is very resistant to “caustic de-alloying” in hot sodium hydroxide.

The threaded cap is a component of the container and is connected to the cylinder by welding. (As shown below) According to different geometric shapes, it can be divided into spherical, elliptical, dish-shaped, spherical crown, cone shell and flat cover. Among them, spherical, elliptical, dish-shaped and spherical crown heads are collectively called convex heads. In terms of welding, it is divided into butt welding heads and socket welding heads. It is used in various container equipment, such as storage tanks, heat exchangers, towers, reactors, boilers and separation equipment. The materials include carbon steel (A3, 20#, Q235, Q345B, 16Mn, etc.), stainless steel (304, 321, 304L, 316, 316L, etc.), alloy steel (15Mo3 15CrMoV 35CrMoV45CrMo), aluminum, titanium, copper, nickel and nickel alloys, etc.

Alloy G-35/UNS N06035 Threaded Cap