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DIN 1.4501 Super Duplex Steel Bars DIN 1.4501
744.0 INR/Piece
Product Details:
- Processing Annealed, Pickled
- Application Construction, Engineering, Oil & Gas, Chemical Industries
- Diameter 10 mm to 300 mm (custom sizes available)
- Technique Hot Rolled / Forged
- Type Bars (Square/Flat/Round)
- Length 2-6 meters or as required
- Material DIN 1.4501 Super Duplex Steel
- Click to view more
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DIN 1.4501 Super Duplex Steel Bars DIN 1.4501 Price And Quantity
- 1 Piece
- 744.0 INR/Piece
DIN 1.4501 Super Duplex Steel Bars DIN 1.4501 Product Specifications
- Annealed, Pickled
- Construction, Engineering, Oil & Gas, Chemical Industries
- Bars (Square/Flat/Round)
- Hot Rolled / Forged
- 10 mm to 300 mm (custom sizes available)
- 2-6 meters or as required
- Super Duplex 1.4501
- DIN 1.4501 Super Duplex Steel
- DIN 1.4501
- High corrosion resistance environments
- H9, H11, H13 or as required
- Black, Bright, Polished
- Brinell 250 max
- Square, Flat, Round
- 550 MPa min
- 25% min
- Solution Annealed
- Sharp / Rounded edges as requirement
- Excellent (suitable for marine and chemical applications)
- 7.8 g/cm3
- 750 MPa min
Product Description
When sourcing, engineering, or purchasing round bars under the designation DIN 1.4501 (EN chemical designation X2CrNiMoCuWN25-7-4), you are utilizing a highly advanced, alloy-optimized super duplex stainless steel.
Commonly cross-referenced with American standards as UNS S32760 or ASTM A182 F55, DIN 1.4501 is engineered primarily for aggressive environments where standard duplex grades risk localized pitting or severe uniform corrosion.
1. The Metallurgical Advantage of 1.4501
While standard super duplex options like DIN 1.4410 (2507) rely exclusively on a chromium-molybdenum framework, DIN 1.4501 adds deliberate amounts of tungsten (W) and copper (Cu).
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Copper ($0.50% - 1.00%$): Drastically slows uniform surface degradation when submerged in hot, reducing environments like sulfuric acid ($H_2SO_4$).
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Tungsten ($0.50% - 1.00%$): Synthesizes alongside molybdenum to anchor the oxide layer against localized pitting and crevice attacks in hyper-saline waters.
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Low Carbon ($le 0.030%$): The "X2" naming denotes low carbon content, ensuring that the bar preserves grain-boundary stability during high-temperature welding fields.
2. Standard Material Specifications
To integrate DIN 1.4501 components seamlessly into structural plans or pressure systems, parts are universally measured against key European standards:
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EN 10088-3: Governs general technical delivery conditions for semi-finished products, bars, rods, and wires.
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EN 10272: Regulates stainless steel solid bars explicitly machined into pressure vessels and heavy industrial boiler systems.
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EN 10278: Restricts dimensional tolerances specifically for bright steel products (cold drawn, ground, or turned) down to precise ISO classes like h9, h11, or k11.
3. Commercial Procurement & Stock Alternatives
Because 1.4501 shares overlapping mechanical parameters with American dual-certified grades, mills and distributors frequently bundle them together across a wide spectrum of physical finishes and sizing distributions:
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[Tradeindia] 6m Duplex Steel Round Bar: A highly versatile product form that matches ASTM A276 and ASME SA479 criteria. It spans massive 4 to 8-inch diameters and is optimized for machining shafts, flanges, or heavy subsea structural blocks.
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[Tradeindia] Polished Super Duplex F55 (Uns S32760) Round Bar: Features a polished finish designed to minimize micro-crevice friction points. This specific F55 profile perfectly maps the exact chemical trace additions required by the DIN 1.4501 matrix.
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[Aajjo] Bright Super Duplex Steel Round Bar: Provides precision-drawn material configurations tailored for tight CNC chucking arrays. Sizing brackets focus heavily on 8 mm to 50 mm dimensions for high-speed automated component manufacturing.
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4. Mandatory Material Test Report (MTR) Clauses
When approving incoming mill runs of 1.4501 material, your engineering team should verify that the tracking documentation clearly identifies:
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Solution Annealed State (+AT): Heated between $1040^circtext{C}$ and $1120^circtext{C}$, followed by an aggressive water quench to completely dissolve any secondary intermetallic phases like sigma ($sigma$).
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Hardness Limits: To retain compliance with global sour gas standards (NACE MR0175 / ISO 15156), final structural hardness must be certified $le 290text{ HBW}$ (or $28text{ HRC}$).
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Pitting Resistance: The certified Pitting Resistance Equivalent Number calculation ($text{PREN} = %text{Cr} + 3.3(%text{Mo} + 0.5%text{W}) + 16%text{N}$) must remain strictly $ge 40.0$.
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Superior Mechanical Properties
DIN 1.4501 Super Duplex Steel Bars offer robust mechanical attributes, including a minimum yield strength of 550 MPa, tensile strength of 750 MPa or higher, and a minimum elongation of 25%. Their Brinell hardness does not exceed 250, ensuring a balanced combination of toughness and workability. Such characteristics make them suitable for high-stress industrial tasks.
Exceptional Corrosion Resistance
With its super duplex microstructure, DIN 1.4501 is highly resistant to pitting, crevice, and stress corrosion cracking, particularly effective in marine and chemical processing settings. The material is solution annealed and pickled, enhancing its ability to withstand aggressive industrial environments without deteriorating.
Versatile Shapes and Finishes
Bars are available in square, flat, and round forms and can be supplied with sharp or rounded edges, according to project requirements. Furthermore, customers can choose from different finishes, including black, bright, and polished, to meet aesthetic or functional specifications, ensuring adaptability across varied applications.
FAQ's of DIN 1.4501 Super Duplex Steel Bars DIN 1.4501:
Q: How are DIN 1.4501 Super Duplex Steel Bars processed to achieve high corrosion resistance?
A: These bars undergo solution annealing and pickling treatments, enhancing their microstructural integrity and providing excellent protection against corrosion in marine and chemical environments.Q: What shapes and surface finishes are available for DIN 1.4501 Super Duplex Steel Bars?
A: They can be supplied in square, flat, and round shapes, with surface finishes including black, bright, or polished to suit different functional and aesthetic requirements.Q: Where are DIN 1.4501 Super Duplex Steel Bars typically used?
A: Due to their superior corrosion and mechanical properties, these bars are widely used in construction, oil and gas, engineering, and chemical industries, particularly in structures exposed to aggressive environments.Q: What are the key benefits of using DIN 1.4501 Super Duplex Steel Bars in engineering projects?
A: These bars provide exceptional durability, outstanding corrosion resistance, impressive yield and tensile strengths, and long service life, reducing maintenance needs in demanding settings.Q: When is it recommended to select DIN 1.4501 Super Duplex Steel Bars over standard stainless steels?
A: Choose DIN 1.4501 Super Duplex for applications where high mechanical strength and resistance to chloride-induced corrosion are necessary, such as in seawater or chemical processing plants.Q: What is the typical size range and length available for these bars?
A: Standard diameters range from 10 mm to 300 mm, with custom sizes offered upon request. Lengths typically vary between 2 to 6 meters, with further customization available as per project specifications.Tell us about your requirement
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