Name: 2205 Duplex Stainless Steel Bar
SKU: 0

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2205 Duplex Stainless Steel Bar

2205 duplex stainless steel bar adopts balanced austenite-ferrite dual-phase structure, delivering double yield strength and superior chloride/seawater corrosion resistance compared with conventional 300-series grades. Tailored for harsh working conditions, it serves high-strength marine, petrochemical and oilfield mechanical components, becoming the preferred structural material for large-scale Middle East industrial projects.

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Product Parameters

Product Name	2205 Duplex Stainless Steel Bar
Standard	ASTM A276, UNS S32205 / S31803, EN 1.4462
Material	2205 duplex
Technique	Cold drawn, Hot rolled, Cold rolled and Others.
Common Size Specs	Available shapes: Round, square, hexagonal, flat bar Diameter/width range: 4mm–300mm Hot-selling sizes: 12mm, 20mm, 30mm, 50mm, 80mm Standard length: 3m / 6m, custom cutting & machining available
Surface Treatment	Pickled & passivated industrial finish, bright cold drawn, centerless ground polished, anti-rust sealed packaging
Available Material Tempers	Solution annealed (standard uniform duplex microstructure for maximum strength & corrosion resistance)
Origin	China
Price Terms	EXW, FOB, CIF, CRF, CNF or others
Payment Term	TT, LC, Cash, Paypal, DP, DA, Western Union or Others.
Packaging	Bundle, PVC Bag, Nylon Belt, Cable Tie, Standard export seaworthy package or as Request.
Processing Service	Bending, Welding, Decoiling, Punching, Cutting and Others.
Tolerance	±1%
MOQ	5 tons
Exported to	Saudi Arabia, UAE, Kuwait ; Norway, UK; Australia
Core Strengths	Dual-phase microstructure provides double mechanical strength, enabling lightweight high-load structural design Outstanding resistance to seawater chloride pitting and stress corrosion cracking Excellent tolerance for acidic and saline chemical medium erosion Stable toughness and fatigue resistance under long-term offshore & industrial cyclic load Lower long-term maintenance cost than 316L for harsh corrosive environments
Main Applications	Offshore marine machinery parts, oil & gas field structural components, chemical reaction equipment fittings, desalination facility hardware, high-load corrosive environment mechanical accessories

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Composition of Stainless Steel

Steel is an alloy of iron and carbon. Stainless steels are steels containing at least 10.5% chromium, less than 1.2% carbon and other alloying elements. Stainless steel’s corrosion resistance and

mechanical properties can be further enhanced by adding other elements, such as nickel, molybdenum, titanium, niobium, manganese, etc.

Grade	C	Si	Mn	P	S	Cr	Ni	Mo	N	Cu
201	≤0.15	≤0.75	5.5~7.5	≤0.060	≤0.03	16.00~18.00	3.5~5.5	-	-	0.08
202	≤0.15	≤1.00	7.5~10.00	≤0.060	≤0.03	17.00~19.00	4.0~6.0	-	≤0.25
301	≤0.15	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	6.00~8.00	-
302	≤0.15	≤1.00	≤2.00	≤0.035	≤0.03	17.00~19.00	8.00~10.00	-
304	≤0.07	≤1.00	≤2.00	≤0.045	≤0.03	18.00~20.00	8.00~10.50	-
304L	≤0.030	≤1.00	≤2.00	≤0.045	≤0.03	18.00~20.00	9.00~13.00	-
310S	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	24.00~26.00	19.00~22.00	-
316	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	10.00~14.00	2.00~3.00
316L	≤0.03	≤1.00	≤2.00	≤0.045	≤0.03	16.00~18.00	12.00~15.00	2.00~3.00
321	≤0.08	≤1.00	≤2.00	≤0.045	≤0.03	17.00~19.00	9.00~13.00	-
430	≤0.12	≤0.75	≤1.00	≤0.040	≤0.03	16.00~18.00		-
2205	≤0.03	≤1.00	≤2.00	≤0.030	≤0.015	22.00~23.00	4.5~6.5	2.5~3.5
2507	≤0.03	≤0.08	≤1.20	≤0.035	≤0.015	24.00~26.00	6.00~8.00	3.0~5.0
904L	≤0.02	≤1.00	≤2.00	≤0.045	≤0.035	19.00~23.00	23.00~28.00	4.0~5.0		1.0~2.0
INCONEL028	≤0.03	≤1.00	≤2.50	≤0.030	≤0.030	≤28.0	≤34.0	≤4.0		≤1.4
MONEL400	≤0.30	≤0.5	≤2.00	-	≤0.024	-	≥63.0	-		≤34.0
INCONEL800	≤0.10	≤1.00	≤1.50	-	≤0.015	≤23.0	≤35	4.0~5.0	-	≤0.75

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FAQ

1.What kind of customer service do you provide?

We provide comprehensive customer service, including basic design, procurement of supporting facilities, and options for dispatching installation guides.

2.What are the customer evaluations of your company?

We are proud to consistently receive five-star reviews from our customers, which demonstrates our commitment to quality and service.

3.What is your quality inspection process like?

Our strict quality inspection process ensures that every product meets the highest standards of excellence. From raw materials to finished products, every stage is carefully inspected to ensure excellent quality.

4.Do you accept container loading inspection?

Welcome to dispatch inspectors, not only for container loading, but also at any time during production.

5.What is the delivery time?

The delivery time depends on the quantity of orders. Usually, the delivery time to the nearest port in China is 15-30 days after receiving the deposit.

6. How to obtain a project quotation?

You can contact us 24 * 7 via email, phone, WhatsApp, WeChat, etc. You will receive a reply within 4 hours.