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Microstructure:

Hastelloy B-3 is a face centered cubic lattice structure. By controlling the content of Fe and Cr to the minimum, the processing brittleness is reced and the precipitation of ni4mo phase at 700-870 ℃ is prevented< 4. Characteristics:

1. Control the content of iron and chromium at the lowest level to prevent the corrosion β The formation of ni4mo phase
2, excellent corrosion resistance to recing environment
3, excellent corrosion resistance to medium concentration sulfuric acid and many non oxidizing acids
4, good chloride rection stress corrosion cracking resistance (SCC)
5, excellent corrosion resistance to various organic acids. Hastelloy B-3 alloy is a new member of Ni Mo alloy family. It has excellent corrosion resistance to hydrochloric acid at any temperature and concentration. At the same time, it also has good corrosion resistance for sulfuric acid, acetic acid, formic acid, phosphoric acid and other non oxidizing media. Moreover, e to the adjustment of its chemical composition, its thermal stability is greatly improved compared with the original Hastelloy B-2 alloy. B-3 alloy has high resistance to pitting corrosion, stress corrosion cracking, knife corrosion and HAZ corrosion
the biggest advantage of B-3 alloy over B-2 alloy is that it can still maintain excellent toughness when exposed to medium temperature instantaneously. This kind of exposure usually occurs regularly ring the heat treatment process of processing. When exposed to 700 ℃ for a short time, the B-2 alloy is very easy to embrittle, while the B-3 alloy shows remarkable resistance to embrittlement and can be exposed for several hours. This provides great convenience for the alloy to be made into complex parts such as forming devices< 5. Application fields

Hastelloy B-3 alloy can be applied to all previous uses of B-2 alloy. Like B-2 alloy, Hastelloy B-3 is not recommended for use in the presence of trivalent iron salts and bivalent copper salts, because these salts can cause rapid corrosion damage. When hydrochloric acid comes into contact with iron and copper, it will react with them to form trivalent iron salt and bivalent copper salt

Diamonds can be g with iron pickaxes or diamond pickaxes

related introction:

when diamond ore is excavated with iron pick or diamond pick, 1 Diamond will fall. Picking with fortune enchant will increase the number of possible diamonds by 1 per level, and fortune III will drop up to 4 diamonds

if you collect diamond ore with the pick of precise collection enchantment, it will drop DIAMOND ORE instead of diamond. Diamond ores are usually formed in layers 16 or lower, but are most common in layers 5-12

extended information

the villagers of expert level armor, weapon and tool dealers bought one diamond with one emerald as part of their transaction. Diamonds can be used to select from beacons and activate state effects. The player must select an available state effect and then put a diamond in the project slot

diamond can replace iron ingot, gold ingot or emerald as beacon to select state effect. Diamond helmets, breastplates, shin guards, boots, swords, pickaxes, axes, hoes and spades can be restored with diamonds on anvil

there is a 14.1% probability that diamonds will appear as a single group in the box of the sunken ship treasure chest; It has a 7.4% chance to be in the box of the fortress altar, a 9.9% chance to be in the box of the village toolmaker, and a 16.2% chance to be in the box of the village weaponer