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|Surface Treatment:||Polished||Steel Grade:||300 Series||Certification:||SGS|
904L STAINESS STEEL
(Introduction of Commodity)
Alloy and state
904L is a fully austenitic structure, and the general content of high molybdenum austenitic stainless steel, 904L is not sensitive to the precipitation of the ferrite and the alpha phase.
1. petroleum, petrochemical equipment, such as petrochemical equipment in the reactor, etc..
2. Storage and transportation equipment, such as heat exchangers, etc..
3. Power plant flue gas desulfurization device, the main use of the site are: absorption tower body, flue, file door, interior, spray system, etc..
4. Organic acid treatment system of scrubber and fan.
5. Seawater treatment plant, sea water heat exchanger, paper industry equipment, sulfuric acid, nitric acid equipment, acid, pharmaceutical industry and other chemical equipment, pressure vessels, food equipment.
6 .Pharmaceutical factory: centrifuge, reactor, etc..
7. Plant food: cans of soy sauce, cooking wine, salt, and dressing equipment.
8. Most suitable for dilute sulfuric acid and strong corrosive medium
Surface Finish :
Characteristics and application
The surface brightness and flatness of no2B is better than no2D.
then through a special surface treatment to improve its mechanical properties,
No2B could nearly satisfy comprehensive uses.
Polished with abrasive belt of git#100-#200, have better brightness with
discontinuous coarse stria, used as inner and external ornaments for building,
electrical appliances and kitchen utensils etc.
Polished with abrasive belt of grit #150-#180,have better brightness
with discontinuous coarse stria, but thinner than No3, are used as bathtub
buildings inner and external ornaments electrical appliances kitchen
utensils and food processing equipment etc.
Polished with abrasive belt of grit #150-#320 on the NO.4 finish and has
continuous streaks, mainly used as buildings ornaments elevators,
door of building, frontal plate etc.
Cold rolled, bright annealed and skin-passed,
the product have excellent brightness and good reflexivity like mirror,
kitchen apparatus, ornament etc.
The product have excellent brightness and prefer reflexivity can to be the mirror.
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