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Duplex Stainless Steel Seamless Pips F53 UNS S32750 Super Duplex Steel Pipes
Material Description
Alloy Name: Super Duplex Steel F53 (also known as UNS S32750)
Chemical Composition:
Chromium (Cr): 24-26%
Nickel (Ni): 6-8%
Molybdenum (Mo): 3-5%
Nitrogen (N): 0.24-0.32%
Iron (Fe): Balance
Other Elements: Trace amounts of manganese, silicon, phosphorus, sulfur, and copper
Characteristics
High Strength and Toughness: Super Duplex F53 provides higher strength and toughness compared to conventional austenitic stainless steels, due to its dual-phase microstructure.
Excellent Corrosion Resistance: Offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-containing environments.
Good Weldability and Machinability: Can be welded and machined using standard techniques, although care must be taken to avoid excessive heat input during welding.
High Resistance to Erosion and Fatigue: Suitable for applications involving exposure to abrasive and high-stress environments.
Physical Properties
Density: 7.8 g/cm³
Melting Point: Approximately 1350-1400 ℃
Tensile Strength: ≥ 800 MPa
Yield Strength: ≥ 550 MPa
Elongation: ≥ 15%
Hardness: Typically around 270 HV (Vickers Hardness)
Applications
Oil and Gas Industry: Used in offshore platforms, subsea equipment, and pipelines due to its high strength and excellent resistance to seawater corrosion.
Chemical Processing: Utilized in heat exchangers, pressure vessels, and reactors where high resistance to aggressive chemicals is required.
Marine Engineering: Suitable for shipbuilding, desalination plants, and other marine applications where resistance to seawater and salt spray is essential.
Power Generation: Employed in flue gas desulfurization systems, condensers, and other components exposed to high temperatures and corrosive environments.
Pulp and Paper Industry: Used in digesters, bleaching equipment, and other components exposed to harsh chemical processing conditions.
Manufacturing and Processing
Manufacturing Method: Seamless pipes are manufactured through extrusion and cold drawing processes, ensuring high precision and superior surface quality.
Processing: Super Duplex F53 can be processed using conventional cutting, welding, and forming techniques. It's important to use suitable welding consumables and techniques to maintain the material's properties.
Dimensions and Specifications
Outer Diameter Range: Typically from 6 mm to 273 mm.
Wall Thickness: Ranges from 0.5 mm to 15 mm.
Length: Typically 6 meters, 12 meters, or customized according to client requirements.
Surface Treatment
Pickling: Removes surface oxides and impurities.
Polishing: Provides a smooth surface to meet specific application requirements.
Passivation: Enhances corrosion resistance by forming a protective oxide layer on the surface.
Super Duplex Steel F53 seamless pipes are high-performance pipes offering a combination of excellent corrosion resistance, high strength, and good weldability, making them suitable for demanding applications in the oil and gas, chemical processing, marine engineering, power generation, and pulp and paper industries.
Grade
UNS
Density (g/cm3)
Tensile Strength
(MPa min)
Yield Strength
(MPa min)
Reduction of Area min (%)
Elongation min (%)
Hardness (HRC)
F53
S32750
7.8
795 MPa min
550 MPa min
/
15% min
HRC 32 max
Ni
P
Cr
Si
Fe
Mn
6.0-8.0
0.035max
24.0-26.0
0.8max
Balance
1.2max
Mo
Cu
S
N
C
3.0-5.0
0.5max
0.02max
0.24-0.32
0.03max
Grade
UNS
DIN
Monel 400
N04400
W.Nr. 2.4360
Monel K-500
N05500
W.Nr. 2.4375
Inconel 625
N06625
W.Nr. 2.4856
Inconel 718
N07718
W.Nr. 2.4668
Inconel X-750
N07750
W. Nr. 2.4669
Inconel 600
N06600
W.Nr. 2.4816
Inconel 601
N06601
W.Nr. 2.4851
Incoloy 825
N08825
W.Nr. 2.4858
Incoloy A-286
S66286
W.Nr.1.4980
Hastelloy C-276
N10276
W.Nr.2.4819
Hastelloy C-22
N06022
W.Nr.2.4602
Hastelloy C-4
N06455
W.Nr.2.4610
Hastelloy B-3
N10675
W.Nr.2.4600
Hastelloy X
N06002
W.Nr.2.4665
Hastelloy B-2
N10665
W.Nr.2.4617
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc...
