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ASTM A790 S31803 Super Duplex Stainless Steel SMLS Pipe High Corrosion Resistance

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ASTM A790 S31803 Super Duplex Stainless Steel SMLS Pipe High Corrosion Resistance

Brand Name : YUHONG

Model Number : ASTM A790 S31803

Certification : ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008

Place of Origin : CHINA

MOQ : 100 KGS

Price : NEGOTIABLE

Payment Terms : T/T, L/C, Western Union

Supply Ability : 1500 Tons Per Month

Delivery Time : 20-80 days

Packaging Details : Ply-wooden Case /Iron Case/ Bundle with plastic Cap

Standard : ASTM,DIN,AISI,EN,JIS

Application : Industry,boiler,oil and gas

Welding line type : Seamless

Steel grade : 300 Series,duplex stainless steel

Type : Pipes

Thickness : 0.1mm-60mm

Technique : Cold Rolled Hot Rolled,Cold Drawn

Length : 3000~12000MM

Surface : Bright mirror 2b ba pickled white matte 8k Polished

Material : Duplex Stainless Steel

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ASTM A790 S31803 Super Duplex Stainless Steel SMLS Pipe High Corrosion Resistance

ASTM A790 UNS S31803 is a specification for duplex steel materials. The material is a steel alloy that contains chromium and molybdenum. The addition of these materials makes the pipe stronger and more resistant to corrosion. SA 790 UNS S31803 is one of the super duplex grades, offering higher strength and corrosion resistance. Duplex grades are divided into three groups namely Duplex, Lean and Super Duplex. Super Duplex is used for specific applications that operate at high temperatures. Duplex UNS S31803 pipe also has high strength due to the nature of production. The material can be hot rolled and welded or cold drawn. Cold drawn tubes are seamless and have less absolute roughness, which makes them dimensionally accurate. On the other hand, hot rolled and welded A928 UNS S31803 material is stronger and can be used in welding applications. ASTM A790 UNS S31803 pipe is easy to weld, making it the choice for high pressure applications that require extensive welding when installed.

SA 790 UNS S31803 tubing is also highly resistant to corrosion in seawater and other chloride-rich environments. This chloride ion corrosion stress crack resistance makes it one of the most cost-effective solutions in the long run. Duplex 31803 seamless tubing is used for high sensitivity applications where accurate measurements are required. However, the seamless nature reduces strength compared to duplex UNS S31803 welded pipe. Applications for A790 gr S31803 DSS ERW pipe can be seen in seawater and marine environments, chemical industry, food processing plants, heat generators, automotive parts, boiler parts and other high temperature applications. Electrofusion Welded Duplex S31803 UNS EFW Pipe can also be used interchangeably with less specific application requirements.

ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes

ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Specification ASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Grades UNS S32205, UNS S31803, UNS S32750, UNS S32760, SAF® 2205, SAF® 2507, FERRINOX® 225, AMINOX® 225, ZERON® 100
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Type Seamless / Welded / ERW / EFW / Cold Draw / Hot Finish / Cold Finish
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Outer Diameter Size Seamless - 1/2" NB TO 18" NB
Welded / ERW- 1" NB TO 16" NB
EFW - 8" NB TO 110" NB
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Wall Thickness Schedule 10 to Schedule 160 (3 mm to 100 mm Thickness)
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Length 01 Meter to 12.5 Meters, Single Random Length, Double Random Length And Customize Size.
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Ends Plain Ends / Beveled Ends
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Delivery Conditions As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw, Bright Annealed
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Coating Electropolish, Mechanical Polish, Satin Finish, Passivated
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Other Testing Product Analysis, Transverse Tension Test, Flattening Test, Etching Test, Radiograph HIC Examination, Stabilizing Heat Treatment, Intergranular Corrosion Test, Weld Decay Test, Magnetic Particle Detection, Grain Size Test, NACE 0175, Dual Grade, PWHT (POST WELD HEAT TREATMENT), Flare Test, Bend Test, Hardness Test, Tensile Test etc
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Dimension All Pipes Is Manufactured and Inspected / Tested to the Relevant standards including ASTM And ASME
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Value Added Services Draw / Expansion / Machining / Sand Blasting / Shot Blasting / Heat Treatment
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Packaging Loose / Bundle / Wooden Pallet / Wooden box-a / Plastic Cloth Wraps / Plastic End Caps / Beveled Protector
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Shipment & Transportation By Road - Truck / Train, By Sea - Break-bulk Conventional Vessel / FCL (Full Container Load) / LCL (Less Container Load) / 20 Feet Container / 40 Feet Container / 45 Feet Container / High Cube Container / Open Top Container, By Air - Freighter Civil Passenger and Cargo Planes
ASTM A790 UNS S31803 Duplex Stainless Steel Seamless Pipes Material Test Certificate Manufacturer Test Certificate As Per EN10204 3.1, 3.2 / Laboratory Test Certificate From NABL Approved Lab. / Under Third Party Inspection Agency Like SGS, TUV, DNV, LLOYDS, ABS ETC

Grade C Mn Si P S Cr Mo Ni N
2205 (UNS S31803) Min Max - 0.030 - 2.00 - 1.00 - 0.030 - 0.020 21.0 - 23.0 2.5 - 3.5 4.5 - 6.5 0.08 - 0.20

Grade Tensile Strength
(MPa) min
Yield Strength
0.2% Proof
(MPa) min
Elongation
(% in 50mm) min
Hardness
Rockwell C (HR C) Brinell (HB)
UNS S31803 / 2205 621 448 25 31 max 293 max


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