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904L is an austenitic stainless steel.In comparison to 316L, its molybdenum addition gives it superior resistance to localized attack (pitting and crevice corrosion) by chlorides and greater resistance reducing acids and in particular its copper addition gives it useful corrosion resistance to all concentrations of sulphuric acid. Its high alloying content also gives it greater resistance to chloride stress corrosion cracking, but it is still susceptible. Its low carbon content makes it resistant to sensitization by welding and which prevents intergranular corrosion.
CHEMICAL COMPOSITION
Element
Cu
Mn
Cr
Ni
P
S
Si
904L
1.0~2.0%
2.00%
19.0~23.0%
23.0~28.0%
0.045%
0.035%
1.00%
MECHANICAL PROPERTIES
Grade
Tensile Strength
(MPa)
Min
Yield Strength
0.2% proof (MPa)
Min
Elongation
(%in 50mm)
Min
Rockwell B(HRB)
904L
490
220
36
70~90
904L COMMON APPLICATIONS
The typical applications of grade 904L stainless steels are listed below:
Wiring in electrostatic precipitators.
Oil refinery components.
Seawater cooling devices.
Gas scrubbing plants.
Pulp and paper processing industries.
Acetic, phosphoric and sulphuric acid processing plants.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2008
Total Annual:
30000000-50000000
Employee Number:
>100
Ecer Certification:
Verified Supplier
Jiangsu Changjian Metal Products Co., Ltd. ,a professional metal raw material supplier. We have more than 10 years of experience in manufacturing stainless steel and carbon steel , which is located in Wuxi, the largest stainless-steel processing center in China. We provide stainless steel,carbon ste... Jiangsu Changjian Metal Products Co., Ltd. ,a professional metal raw material supplier. We have more than 10 years of experience in manufacturing stainless steel and carbon steel , which is located in Wuxi, the largest stainless-steel processing center in China. We provide stainless steel,carbon ste...