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ASTM A790 A789 S31803 1.4462 S32750 1.4410 (Super) Duplex Stainless Steel Pipe

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ASTM A790 A789 S31803 1.4462 S32750 1.4410 (Super) Duplex Stainless Steel Pipe

Brand Name : YUHONG

Model Number : UNS S31803 , S32750, S32760, S31254 , 254Mo, 253MA

Certification : ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015

Place of Origin : China

MOQ : 100 KGS

Payment Terms : L/C, T/T

Delivery Time : 15-90 Days

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

Price : Negotiable

Supply Ability : According to Clients' Requirement

Standard : ASTM A789, ASME SA789, ASTM A790 , ASME SA790 , ASTM A928, ASME SA928

Grade : S31803 , S32750, S32760, S31254 , 254 SMO, 253MA

Type : Welded,Seamless

Outer diameter : 6mm-630mm or customized

Thickness : 0.1mm-60mm

Finish : Annealed, pickled

NDT : ET/UT/HT

Application : Industry,construction,boiler,oil and gas,Oil Gas Sewage Transport

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ASTM A790 A789 S31803 1.4462 S32750 1.4410 Super Duplex Stainless Steel Pipe For Chemical Process Plant

ASTM A790 UNS S31803, UNS S32750 and UNS S32760 are duplex steel grades, which have high chromium and molybdenum elements, ASTM A790 UNS S31803 is the most widely used duplex stainless and it has excellent corrosion resistance, and high strength feature. Generally UNS S31803 Duplex stainless steel pipe is applied in corrosion and high-temperature environment. ASTM A790 UNS S32750 and ASTM A790 UNS S32760 are super duplex steel grades. ASTM A790 UNS S32750 Super Duplex Steel Pipe is an austenitic-ferritic stainless steel. It has excellent resistance to pitting and crevice corrosion. In chemical composition, the higher chromium and molybdenum content will ensure high tensile strengths and exhibits high thermal conductivity and low thermal expansion.

Specifications:

Specification ASTM A789, ASTM A790, ASTM A928, ASME SA789, ASME SA790, ASME SA928
Grades UNS S32205, UNS S31803, UNS S32750, UNS S32760
Type Seamless / Welded / ERW / EFW / Cold Draw / Hot Finish / Cold Finish
Outer Diameter Size Seamless - 1/2” To 18”
Welded / ERW- 1" To 48"
Wall Thickness Schedule 10 To Schedule 160
Length 6 Meters, Single Random Length, Double Random Length Or Customize Size
Pipes Ends Plain Ends / Beveled Ends
Delivery Conditions As Rolled, Formed, Stress Relieved, Annealed, Hardened, Tempered, Cold Draw, Bright Annealed
Coating Electropolish, Mechanical Polish, Satin Finish, Passivated

Chemical Composition:

Grade % C Mn Si P S Cr Mo Ni N
UNS S31803 Min Max 0 - 0.03 0 - 2.00 0 - 1.00 0 - 0.03 0 - 0.02 21.0 - 23.0 2.5 - 3.5 4.5 - 6.5 0.08 - 0.20

Grade C≤ Mn≤ P≤ S≤ Si≤ Ni Cr Mo N Cu
S32750 0.03 1.20 0.035 0.02 0.80 6.0-8.0 24.0-26.0 3.0-5.0 0.24-0.32 0.5

Mechanical Composition:

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 621 448 25 31 max 293 max

Grades Tensile, min, ksi[MPa] Yield, min, ksi[MPa] Elongation, %(min) Hardness, HB(max)
UNS S32750 116 [800] 80 [550] 15 300

Grades Density (g/cm 3) Density (lb/in 3) Melting Point (°C) Melting Point (°F)
UNS S31803 7.805 0.285 1420 – 1465 2588 – 2669
UNS S32750 7.8 0.281 1350 2460

Applications:

Oil and Gas Industry

Chemical Process Industry

Marine Industry and Shipbuilding

Pollution Control

Pulp and Paper Industry

Food Process Industry

Agrochemicals

Civil Engineering

Petrochemical Industry

ASTM A790 A789 S31803 1.4462 S32750 1.4410 (Super) Duplex Stainless Steel Pipe


Product Tags:

s32750 duplex pipe

      

s31803 duplex pipe

      

chemical process plant duplex pipe

      
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