Name: 2507 Duplex Stainless Steel Pipe
SKU: 0

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2507 Duplex Stainless Steel Pipe

2507 super duplex stainless steel pipe (UNS S32750) features high PREN dual-phase alloy with unmatched strength and extreme chloride corrosion resistance, outperforming standard 2205 duplex. It serves deep-sea oil & gas, premium chemical and ultra-high-pressure pipeline projects, the top-tier material favored by high-value industrial buyers across Europe, America and the Middle East.

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Product Parameters

Product Name	2507 Duplex Stainless Steel Pipe
Standard	ASTM A790, ASTM A789, UNS S32750, EN 1.4410
Material	2507 Duplex
Technique	Cold drawn, Hot rolled, Cold rolled and Others.
Common Size Specs	Outer diameter: 6mm–914mm; Wall thickness: SCH5S–XXS (0.5–50mm) Hot-selling sizes: DN80, DN150, DN200, DN250 seamless pipe Standard length: 6m / 12m, custom cutting & beveled ends available Type: Seamless / welded super duplex pipe
Surface Treatment	Pickled & passivated industrial finish, mechanical polished bright surface, bead-blasted anti-corrosion surface, anti-rust sealed export packaging
Available Material Tempers	Solution annealed (standard delivery state for balanced austenite-ferrite microstructure)
Certifications	ISO9001, SGS, RoHS, EN10204 3.1 MTC, NACE MR0175, PED pressure equipment certification
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%
Exported to	Europe & US: Germany, Norway, USA; Middle East: Saudi Arabia, UAE, Kuwait; Australia
Core Strengths	Super duplex 25Cr-7Ni-4Mo-N composition, PREN over 41, withstands extreme high-chloride deep seawater environments Yield strength double 300-series stainless, allows thinner wall design to cut overall engineering costs Superior anti-pitting, crevice & stress corrosion cracking performance vs 2205 duplex for harsh sour fluid service Stable mechanical performance under long-term ultra-high pressure & temperature cycling Compliant with NACE sour service codes, extends service life for critical offshore industrial projects
Main Applications	Deep-sea offshore oil & gas transport pipelines, high-end chemical process piping, seawater desalination ultra-high-pressure tubes, subsea platform fluid lines, acid medium heat exchanger tubing, sour oil well delivery pipelines

Importers and purchasing managers welcome to contact us for best quote about our stainless tube products! China Factory direct supply, competitive bulk pricing!

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.