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Duplex Steel Round Bar
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Duplex Steel Round Bar

Duplex 2205 ASTM A276 Round Bar
Renowned manufacturers & suppliers of Duplex 2205 ASTM A276 Round Bar, ASTM B649, A276, A479, SA276, SA479 Bar & A276, A479, SA276, SA479 Rod. We export high quality Duplex 2205 ASTM A276 Round Bar & ASTM B649, A276, A479, SA276, SA479 Bar & A276, A479, SA276, SA479 Rod. We pride ourselves on being at the forefront of innovation in both product lines and after sales services. This is why we will constantly upgrade our products and services to meet market expectations and demands. We are reputed as an excellent quality Duplex 2205 ASTM A276 Round Bar supplier in the industry. American iron and steel institute (AISI) use three numbers to clarify different types of steel which are 200, 300, 400 and 600 series. Jainex Steel and Metal Steels also manufacture & specialized into Pipe/Plates such as A106 GR. B Carbon Steel Seamless Pipes, A53 GR. B, API 5L GR. B Seamless Pipes, API 5L Gr B ERW Pipes, A333 GR. 3/6 Pipes & Alloy Steel Pipes ASTM A335 GR P5 | GR P9 | GR P11 | GR P22 | GR P91.

The high strength that makes Duplex 2205 useful in many applications unfortunately reduces its machinability. Cutting speeds are approximately 20% slower than for grade 304. The strength of Duplex 2205 also makes bending and forming more difficult; requiring larger capacity equipment than for austenitic stainless steels. Jainex Steel and Metal has the capacity and equipment to handle all of your Duplex 2205 projects. Duplex Steel 2205 is not generally suitable for use at temperatures above 300°C as it suffers from precipitation of brittle micro-constituents, nor below -50°C because of its ductile-to-brittle-transition.

Duplex 2205 is the most widely used duplex (ferritic/austenitic) stainless steel grade. The Duplex 2205 alloy is a nitrogen-enhanced duplex stainless steel alloy. The nitrogen serves to significantly improve the corrosion resistance of the alloy; especially in the welded condition. The typical high Cr, Mo and Ni contents of AL 2205 alloy give it a high PREN (Pitting Resistance Equivalent) of 35.8, further enhancing its corrosion resistance. The PREN of AL 2205 alloy exceeds those of types 316L and 317L stainless steels. When heat-treated properly, the composition of AL 2205 alloy produces a microstructure that consists of a nearly equal mixture of austenite and ferrite phases.

Chemical Composition of Nickel Alloy K-500 and Monel® K-500

Standard Duplex 2205
UNS S31803 / S32205
Werkstoff Nr. 1.4462

Mechanical & Physical Properties

Density 7.8 g/cm3
Melting Point 1440 °C (2625 °F)
Tensile Strength Psi – 90000 , MPa – 620
Yield Strength (0.2%Offset) Psi – 65000 , MPa – 450
Elongation 30%

Chemical Composition:

Duplex 2205
Ni 4.5 – 6.5
Fe Balance
Cr 22 – 23
Mo 3 – 3.5
C 0.030 max
Mn 2.0 max
Si 1 max
P 0.030 max
N 0.14 – 0.2
S 0.02 max

Special Features :

  • Each bundle covered with plastic for protection against extreme weather.
  • End of Duplex 2205 ASTM A276 Round Bar protected by plastic caps.
  • Bundles strapped with plastic strips.
  • Each radius of U-Bend tube separated by a separator.
  • Packaging list (laminated) placed with box/crate.

Applications :

  • Packaging list (laminated) placed with box/crate.
  • Pulp and paper processing.
  • Components in gas scrubbing plants.
  • Seawater cooling equipment.
  • Oil refinery components.
  • Wires in electrostatic precipitators.

Jainex Steel and Metal exports Duplex 2205 ASTM A276 Round Bar to countries like Saudi Arabia, United Arab Emirates, Singapore, Malaysia, Germany, Iran, United Kingdom, Italy, Israel, Russia, United States Of America, South Africa, Kenya, Nigeria, Phillipines.

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