Home Duplex Steel Products – Duplex Steel S31803 Round Bars

Duplex Steel S31803 Round Bars

Duplex Steel S31803 Round Bars

In and around India, Shree Viratra Enterprises is a reliable supplier and provider of Duplex Steel UNS S31803 Round Bars. Chrome, nickel, and molybdenum comprise the austenitic-ferritic structure of Duplex Steel S31803 Round Bars. It has improved resistance to many difficult circumstances. Stress corrosion resistance for this grade against chloride and sulfuric acid. Its yield strength is twice as high as typical austenitic stainless steel. These are suitable for usage in temperatures between 300 and 475 degrees Celsius. The intergranular corrosion of Duplex Stainless Steel S31803 Bars is not a concern. This alloy has higher corrosion resistance compared to other austenitic stainless steel grades. It is more resistant to stress corrosion cracking (SSC). Corrosion in pits and crevices is occurring at a higher pace than usual. As a result of its better corrosion resistance, it possesses higher fatigue strength in slightly corrosive environments. Fabricators conduct quality checks at each step of the manufacturing process to guarantee that only superior products are provided. To meet the needs of international customers, the experiments are conducted in compliance with international standards. The intergranular corrosion test is the first of the main difficulties, including micro, ultrasonic, PMI, radiographic, macro, and pitting corrosion tests. Some strength tests conducted include hammering, compression, buckling, mechanical, hardness, chemical, destructive/non-destructive evaluation, and third-party inspection. Among them are fumigation certificates, test reports on raw materials, manufacturers’ certified certificates, mill test reports, quality assurance plans, heat treatment maps, stamping data, NABL test reports, and MTC reports. Other credentials offered include commercial invoices, design guides, certificates from authorized manufacturers, and warranty letters.

Duplex Steel S31803 Round Bars Specifications

Specifications : ASTM /ASME A276/SA 276, A479/SA 479
Range : 3.17 MM TO 350 MM DIA
Length : 1 to 6 Meters, Custom Cut Lengths
Duplex Steel Round Bars : Outside Diameter in the range of 4mm to 500mm
Duplex Steel Bright Bars : Outside Diameter in the range of 4mm to 100mm
Duplex Steel Hex Bars : 18mm – 57mm (11/16″ to 2-3/4″)
Duplex Steel Square Bars : 18mm – 47mm (11/16″ to 1-3/4″)
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Condition : Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Form : Round, Square, Hex (A/F), Rectangle, Flat, Billet, Ingot, Forging Etc.

Duplex Steel S31803 Round Bars Equivalent Grades

Duplex Steel S31803

Duplex Steel S31803 Round Bars Chemical Composition

Grade Ni Cr N C Mn P S Si Mo Fe
Duplex Steel S31803
4.50 – 6.50
22.0 – 23.0
0.14 – 0.20
0.030 max.
2.00 max.
0.030 max.
0.020 max.
1.00 max.
3.0 – 3.5
63.72 min

Mechanical Properties of Duplex Steel S31803 Round Bars

Grade Density Melting Point Tensile Strength Yield Strength Elongation
Duplex Steel S31803
7.8 g/cm3
1440 °C (2625 °F)
Psi – 90000 , MPa – 620
Psi – 65000 , MPa – 450
30 %

Other Products & Grade

error: Content is protected !!
Scroll to Top