Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
View Detail Information
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | UNS S32760 Stainless Steel Duplex Plate ，Stainless Steel Duplex Plate High Strength | ||
UNS S32760 plate (also known as S32760 super duplex plate, 1.4501, Zeron 100, F55, or super duplex stainless steel plate) is a high-alloy super duplex stainless steel designed for service in extremely aggressive corrosive environments. Combining the best properties of austenitic and ferritic stainless steels, S32760 offers exceptional pitting and crevice corrosion resistance, high mechanical strength, and excellent resistance to stress corrosion cracking (SCC). It is the material of choice for offshore platforms, chemical processing, seawater systems, and desalination plants.
UNS S32760 is a super duplex stainless steel with a dual-phase microstructure (approximately 50% austenite / 50% ferrite). It is specifically formulated with additions of tungsten (W) and copper (Cu) to enhance its corrosion resistance beyond that of standard duplex grades like S31803 or S32205.
PREN (Pitting Resistance Equivalent Number) > 40 – superior resistance to pitting and crevice corrosion
High strength – approximately twice the yield strength of 316L stainless steel
Excellent SCC resistance – ideal for chloride-containing environments
Good weldability – maintains properties with proper filler metals
| Parameter | Details |
|---|---|
| Standard | ASTM A240 / ASME SA240 |
| Grade | UNS S32760 / 1.4501 / F55 / Zeron 100 |
| Material Type | Super Duplex Stainless Steel (Austenitic-Ferritic) |
| Thickness | 2mm – 80mm |
| Width | 1000mm – 3000mm |
| Length | 2000mm – 6000mm (custom available) |
| Delivery Condition | Solution Annealed + Water Quenched |
| Surface | Hot-rolled / Pickled / Polished |
| Cutting | Plasma / Waterjet / Laser |
| Inspection | PMI, UT, Mechanical, Ferrite Content, Intergranular Corrosion |
| Certification | EN 10204 Type 3.1 / 3.2 (SGS, BV, TÜV, DNV) |
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.010 |
| Chromium (Cr) | 24.0 – 26.0 |
| Nickel (Ni) | 6.0 – 8.0 |
| Molybdenum (Mo) | 3.0 – 4.0 |
| Copper (Cu) | 0.50 – 1.00 |
| Tungsten (W) | 0.50 – 1.00 |
| Nitrogen (N) | 0.20 – 0.30 |
*PREN = %Cr + 3.3*(%Mo + 0.5*%W) + 16*%N ≈ 40+*
| Property | Value |
|---|---|
| Yield Strength (0.2% offset) | ≥ 550 MPa (80 ksi) |
| Tensile Strength | 750 – 895 MPa (109 – 130 ksi) |
| Elongation | ≥ 25% |
| Hardness | ≤ 270 HB / ≤ 28 HRC |
| Impact Toughness (Charpy V-notch) | ≥ 100 J at -46°C |
| Ferrite Content | 40 – 60% |
| Grade | Yield Strength (MPa) | PREN | SCC Resistance |
|---|---|---|---|
| 316L | ≥ 170 | ~25 | Poor |
| S32205 (Duplex) | ≥ 450 | ~35 | Good |
| S32760 (Super Duplex) | ≥ 550 | > 40 | Excellent |
| Industry | Application |
|---|---|
| Oil & Gas (Offshore) | Subsea manifolds, risers, flowlines, topside modules |
| Chemical Processing | Heat exchangers, pressure vessels, reactors, piping systems |
| Seawater Systems | Desalination plants, seawater cooling lines, and firewater systems |
| Pulp & Paper | Digesters, bleach plants, black liquor recovery |
| Marine & Shipbuilding | Propeller shafts, seawater pumps, ballast water systems |
Q1: What is the difference between S32760 and S32205 (2205 duplex)?
A: S32760 is a super duplex grade with higher alloy content (Cr, Mo, W, Cu, N). It offers higher strength (≥550 MPa vs. ≥450 MPa) and better pitting resistance (PREN >40 vs. ~35). Choose S32760 for more aggressive environments like seawater or sour service.
Q2: Is S32760 weldable?
A: Yes. S32760 is weldable using standard processes (GTAW, SMAW, GMAW, SAW). Use matching filler metal (e.g., 25.10.4.L or S32760-specific electrodes). Preheat is generally not required, but interpass temperature should be kept below 150°C to maintain phase balance.
Q3: What is PREN and why does it matter?
A: PREN (Pitting Resistance Equivalent Number) predicts a stainless steel's resistance to pitting corrosion in chloride environments. S32760 has a PREN >40, making it highly resistant to pitting and crevice corrosion – ideal for seawater and chemical applications.
Q4: Does S32760 require heat treatment after welding?
A: Generally, no for most applications. However, solution annealing (1040–1100°C) followed by water quenching may be required for severely corrosive services or pressure vessel applications.
Q5: What certifications do you provide?
A: We supply EN 10204 Type 3.1 mill test certificates with every shipment. Type 3.2 or third-party inspection (SGS, BV, TUV, DNV) is available upon request.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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