Name: 2507 Duplex Stainless Steel Bar
SKU: 0

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2507 Duplex Stainless Steel Bar

2507 super duplex stainless steel bar (UNS S32750) adopts high-alloy dual-phase microstructure, delivering ultra-high tensile strength and top-tier chloride & deep seawater corrosion resistance, outperforming regular 2205 duplex grade. It serves critical structural parts for deep-sea facilities and high-pressure chemical equipment, the priority material selected by premium global engineering procurement teams.

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Product Parameters

Product Name	2507 Duplex Stainless Steel Bar
Standard	ASTM A276, UNS S32750, EN 1.4410
Material	2507 duplex
Technique	Cold drawn, Hot rolled, Cold rolled and Others.
Common Size Specs	Shapes: Round, square, hexagonal, flat solid bar Diameter/width: 4mm–300mm Hot-selling sizes: 16mm, 30mm, 50mm, 80mm, 120mm Standard length: 3m / 6m, custom cutting & end machining available
Surface Treatment	Pickled passivated industrial finish, bright cold drawn, centerless ground polished, anti-rust sealed export packaging
Available Material Tempers	Solution annealed (standard uniform dual-phase metallurgical state for max 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	Norway, Germany, USA (European & American offshore engineering); Saudi Arabia, UAE, Qatar (Middle East desalination & petrochemical projects); Australia (coastal heavy industry)
Core Strengths	25Cr-7Ni-4Mo high-alloy super duplex structure, PREN＞41, blocks seawater pitting & crevice corrosion Double yield strength vs 300-series stainless, supports lightweight high-load structural design Superior anti-stress corrosion cracking performance under sour fluid & high pressure Stable mechanical toughness under long-term deep-water & chemical cyclic operation Longer service lifespan to cut maintenance cost for top-tier industrial projects
Main Applications	Deep-sea offshore mechanical components, high-pressure chemical reaction equipment, seawater desalination hardware, acid medium heat exchanger fittings, offshore platform fasteners, oilfield sour service structural blanks

Looking for professional stainless steel bar manufacturers for long-term business cooperation? Haiwo steel as steel factory is your best choice!

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.