Duplex Steel Round Bars

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MOQ : 1 Kilograms

Duplex Steel Round Bars Specification

Product Type
Duplex Steel Round Bars

Shape
Round

Elongation
25% min

Strength
Yield Strength: 450 MPa min, Tensile Strength: 620 MPa min

Hardness
170290 HB

Resistance
Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking

Grade
UNS S31803 / S32205 or equivalent

Melting Range
1350C 1450C

Density
7.8 Gram per cubic centimeter(g/cm3)

Chemical Composition
Cr: 21-23%, Ni: 4.5-6.5%, Mo: 2.5-3.5%, N: 0.1-0.22%, C: 0.03% max, Mn: 2% max, Si: 1% max, P: 0.03% max, S: 0.02% max

Application
Chemical processing, Oil and gas, Marine, Petrochemical, Power Generation, Pulp and Paper Industries

Color
Silver/Grey

Length
2 m to 6 m (custom sizes available)

Impact Toughness
High resistance to brittle fracture at low temperatures

Diameter Range
6mm to 400mm

Magnetic Properties
Slightly magnetic due to ferrite content

Machinability
Moderate, requires rigid machines and sharp tools

Tolerances
As per ASTM A484 or customer request

Surface Finish
Bright, Black, Peeled or Polished

Weldability
Good, with appropriate filler material

Standard
ASTM A276, ASTM A479

About Duplex Steel Round Bars

Explore our paragon selection of Duplex Steel Round Bars, manufactured to elevate industrial standards with sterling performance. Designed in accordance with ASTM A276 and A479, these trending bars offer excellent resistance to stress corrosion cracking and pitting. Available in silver/grey and diameters from 6mm to 400mm, the praiseworthy finish options include bright, black, peeled, and polished. With high impact toughness, slight magnetic properties, and exceptional weldability, our Duplex Steel bars are ideal for chemical processing, marine, oil & gas, and more. Discount offers available for bulk orders!

Features and Applications of Duplex Steel Round Bars

Duplex Steel Round Bars stand out for their high impact toughness and moderate machinability. With surfaces that range from polished to peeled or black, these bars provide sterling reliability for aggressive environments. Praiseworthy in resisting pitting and crevice corrosion, they are commonly applied in chemical plants, oil and gas facilities, marine engineering, and pulp and paper industries. Their superior strength and durability ensure remarkable performance even in challenging applications, making them the trending choice for demanding sectors.

Packaging, Certifications, and Export Destinations

Order processing is streamlined to ensure efficient dispatch and secure packaging, using durable materials suited for long domestic mar or international outlay. Each batch of Duplex Steel Round Bars is shipped with certifications confirming compliance with ASTM standards and customer specifications. With a presence in key export markets worldwide, including Europe, Asia, and the Middle East, our packaging varies as per the destination and mode of transport to guarantee product safety during transit.

FAQs of Duplex Steel Round Bars:

Q: How are Duplex Steel Round Bars typically used across industries?

A: Duplex Steel Round Bars are widely used for their resistance to corrosion and strength. They are ideal in sectors like oil and gas, chemical processing, marine, petrochemical, power generation, and paper industries, especially where durability and resistance to harsh environments are critical.

Q: What is the process for ordering custom diameter or length Duplex Steel Round Bars?

A: Customers seeking custom sizes can specify their requirements during inquiry. Our order processing team will confirm the feasibility as per ASTM standards or customer request, and the bars will be manufactured accordingly before dispatch.

Q: Where do you export Duplex Steel Round Bars and what certifications are provided?

A: We export Duplex Steel Round Bars globally, focusing on markets in Europe, Asia, and the Middle East. All exports are accompanied by certifications meeting ASTM standards and additional customer or destination-specific requirements.

Q: What are the primary benefits of using Duplex Steel Round Bars over other materials?

A: Duplex Steel Round Bars offer excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, along with high yield and tensile strength. Their performance in challenging environments makes them a praiseworthy choice over conventional stainless steels.

Q: How should Duplex Steel Round Bars be handled during machining and welding processes?

A: For best results, use rigid machines and sharp tools during machining due to moderate machinability. When welding, it is advisable to select appropriate filler materials compatible with duplex grades to maintain corrosion resistance and mechanical properties.

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