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S32760 (also called F55 or 1.4501) is a high-alloy super duplex stainless steel featuring exceptional strength and corrosion resistance. This material is primarily used in demanding corrosion environments including chemical processing, petrochemical applications, and submarine equipment.
Chemical Composition of S32760 Super Duplex Stainless Steel
Element
Min (%)
Max (%)
Ni
6.0
8.0
Cr
24.0
26.0
Mo
3.0
4.0
Mn
-
1.0
Cu
0.5
1.0
Si
-
1.0
C
-
0.03
N
0.2
0.3
S
-
0.01
P
-
0.03
W
0.5
1.0
Fe
Balance
Key Features of S32760 Super Duplex Stainless Steel
S32760 duplex steel provides superior resistance to chloride corrosion, high thermal conductivity, and low thermal expansion. The enhanced chromium, molybdenum, and nitrogen content deliver exceptional resistance to pitting, crevice corrosion, and other corrosive attacks.
This alloy demonstrates resistance to various inorganic and organic acids. The addition of copper enhances resistance to non-oxidative acid corrosion. S32760 also withstands strong alkaline corrosion, though prolonged exposure above 300°C is not recommended as it may reduce material toughness.
Originally developed in the 1980s to address corrosion resistance limitations in second-generation duplex stainless steels, S32760 has evolved into a critical material for pipeline systems, oil and gas development, seawater environments, flue gas desulfurization, desalination, and chemical applications.
The inclusion of tungsten and copper enhances corrosion resistance in specific acids and improves passivation capabilities in seawater environments. The microstructure features a balanced α/γ phase ratio under proper solid solution conditions, though careful thermal processing is required to prevent precipitation of intermetallic phases.
Applications of S32760 Super Duplex Stainless Steel
Neutral chloride environments
Oil refining industry equipment
Chemical industry pipelines
Oil and gas industry components
Pulp and paper manufacturing
Fertilizer industry applications (urea, phosphate)
Seawater environments and energy conservation systems
Food and pharmaceutical industry equipment
High-strength structural components
Flue gas desulfurization and desalination equipment
Submarine pipelines and marine engineering fasteners
Various specialized industrial applications
Product Gallery
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2012
Total Annual:
500,000,000-800,000,000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h... Company Overview :
The company has an indoor warehouse of 5000 square meters and an open warehouse of 4000 square meters, which can fully meet the temporary turnover and phased storage of customers' steel pipe reservation.
The subordinate processing plant has 6 sets of medium frequency h...