China Duplex Steel Bar or Rod Manufacturers Factory - Cheap Duplex Steel Bar or Rod

Your Professional Duplex Steel Bar Or Rod Supplier

Jiangsu Cunrui Metal Products Co., Ltd. was established on March 24, 2016. It is a modern enterprise specializing in the production and export of high-quality metal pipes.

Our company is a significant manufacturer of high-quality metal materials in China. Our product range includes stainless steel, carbon steel, alloy steel, silicon steel, etc., which are widely used in the medical, food, construction and other industries.

2205 Duplex Stainless Steel Bar
2205 Duplex Stainless Steel Bar (Rod) from Jiangsu Cunrui Metal Products Co., Ltd. is a high-strength, corrosion-resistant alloy designed for demanding industrial applications. The material exhibits

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2101 Duplex Stainless Steel Bar
2101 Duplex Stainless Steel Bar (Rod) supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a cost-effective duplex stainless steel solution offering high strength, good corrosion resistance, and

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2304 Duplex Stainless Steel Bar
2304 Duplex Stainless Steel Rod supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a premium duplex stainless steel product combining high strength, excellent corrosion resistance, and stable

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2507 Super Duplex Bar
The 2507 Super Duplex Bar is a high-performance stainless steel bar designed for superior strength and corrosion resistance. Manufactured according to international standards such as ASTM A276, ASTM

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S31803 Duplex Steel Bar
The S31803 Duplex Steel Bar is a premium stainless steel alloy designed for superior strength, excellent corrosion resistance, and high reliability in demanding industrial applications. Engineered to

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Super Duplex Steel UNS S32760 Round Bar
China Super Duplex Steel UNS S32760 Round Bar SupplierUNS S32760 belongs to super duplex stainless steel, which is one level higher than ordinary 2205. Tungsten and copper are added into it, which

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Super Duplex Steel UNS S32750 Round Bar
Super Duplex Steel UNS S32750 Round Bar, also known as Super Duplex Steel UNS S32750 Round Rod, is a premium duplex stainless steel product manufactured by Jiangsu Cunrui Metal Products Co., Ltd..

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Super Duplex Steel UNS S32950 Round Bar
If your project needs material with high mechanical strength, plus great resistance to pitting, crevice corrosion and stress corrosion cracking (SCC), our UNS S32950 super duplex round bar is the

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Why Choose Us

Production Capacity

Equipped with large-scale production facilities, we have an annual manufacturing capacity exceeding 6,000 metric tons.

24-Hour Online Service

We provide round-the-clock customer support with inquiry responses within 24 hours, including technical assistance and quotation services.

Global Supply Chain Network

Our products have earned widespread recognition and trust across more than 50 countries, including the United States, France, South Korea, Japan, India, Germany, and Spain, as well as key regions such as South Asia, Southeast Asia, and the Middle East.

Parameter

Standard	ASTM A276 / ASTM A582 / EN 10088
Grade	2101 Duplex Stainless Steel
Bar Diameter	6 – 200 mm, customized
Bar Length	1 – 6 meters, cut-to-length available
Surface Finish	Hot-rolled, cold-rolled, polished
Yield Strength	≥ 450 MPa
Tensile Strength	600 – 750 MPa
Elongation	≥ 25%
Hardness	≤ 32 HRC
Corrosion Resistance	Good pitting and crevice resistance
Form	Round, hex, square, or customized

Customization Process

Communication Needs

Custom size can be tailored to meet specific customer requirements. Please provide your customization concepts and detailed specifications for further discussion.

Production Execution

Following the confirmed design, we implement meticulous production processes with strict quality control at every stage, ensuring consistency and precision before proceeding to mass production.

Quality Inspection and Packaging

Upon completion of the product, a comprehensive three-stage inspection process is conducted to ensure quality standards are met. Subsequently, the products are packaged in accordance with your specified requirements.

Delivery Assurance

We ensure timely delivery of the products within the agreed timeframe as per the contract terms.

Benefits of Duplex Steel Bar Or Rod

Exceptional Corrosion Resistance

Duplex stainless steel resists pitting, crevice corrosion, and stress corrosion cracking, especially in chloride-rich and acidic environments.

High Strength

Duplex rods and bars are nearly twice as strong as standard austenitic stainless steels, providing a robust solution for high-stress applications.

Cost-Effectiveness

With a lower nickel and molybdenum content than other high-performance alloys, duplex stainless steel is an economical choice without compromising quality.

Excellent Weldability and Formability

Duplex stainless steel is easy to weld and form, making it ideal for customized parts and assemblies.

Increased Fatigue Resistance

Duplex steels offer excellent fatigue resistance, ideal for dynamic environments where parts are under constant stress.

Application of Duplex Steel Bar Or Rod

Oil and Gas Industry

Duplex bars and rods are widely used in drilling equipment, valves, pipelines, and offshore rigs due to their corrosion resistance and strength.

Marine and Shipbuilding

Withstanding the corrosive effects of seawater, duplex stainless steel is used in shafts, propellers, fasteners, and marine hardware.

Chemical Processing

Duplex bars and rods are ideal for tanks, reactors, and equipment exposed to aggressive chemicals.

Pulp and Paper Industry

Duplex stainless steel resists acidic and chloride-rich environments, making it ideal for pulp and paper manufacturing equipment.

Construction and Infrastructure

Duplex rods provide strength and corrosion resistance, making them suitable for bridges, structural supports, and rebar in coastal construction.

Logistics

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

The time frame of an order delivery is divided into two parts

Processing time: 7-14 Days
Shipping time: 20~30 Days

Shipping methods

DDP, DAP, EXW, etc.

Shipping fee

The shipping fee will be changed according to every pacel's weight.

Certificate

productcate-1-1

FAQ

Q: What are the primary benefits of using duplex stainless steel over austenitic stainless steel?

A: Duplex stainless steel offers nearly double the strength of standard austenitic stainless steels and provides superior resistance to pitting and stress corrosion, especially in chloride-rich environments.

Q: Can duplex stainless steel bars and rods be welded easily?

A: Yes, duplex stainless steel can be welded using standard welding techniques. However, controlling heat input is recommended to maintain the alloy’s microstructure and corrosion resistance.

Q: Is duplex stainless steel suitable for high-temperature applications?

A: Yes, duplex stainless steel performs well in high-temperature environments, although super duplex grades are preferred for extreme temperatures.

As one of the leading duplex steel bar or rod manufacturers in China, we warmly welcome you to buy cheap duplex steel bar or rod for sale here from our factory. All customized products are with high quality and competitive price. For pricelist and free sample, contact us now.

Super Duplex Steel UNS S32760 Round Bar, 2304 Duplex Stainless Steel Rod, 2101 Duplex Stainless Steel Bar