Super Duplex Steel Products
Super Duplex Round Bar
Table of Content
- Types of Super Duplex Round Bar
- Super Duplex 2507 Rods Standard Specification
- Equivalent Material Grade Of Super Duplex Stainless Steel Round Bar
- Chemical Composition Of Super Duplex 2507 Round Bar
- Super Duplex 2507 Hex Bar Mechanical Properties
- Super Duplex 2507 Flat Bar Size
- Frequently Asked Questions About Super Duplex Round Bar
Super Duplex components are high-alloy duplex steels containing a mixed structure ferritic and austenitic. A super duplex round bar is produced using high contents of nickel, chromium and molybdenum with moderate additions of other elements. The super duplex 2507 round bar is versatile and is highly resistant to corrosion and oxidation in high stress conditions. UNS S32760 round bar offers good mechanical stability in pitting and stress corrosion cracking prone environments. Super Duplex Stainless Steel Round Bar has more tensile and torsional strength as compared to the normal austenitic grades. F53 round bar is strong with a density of 7.8 g/cm 3 and melting point of about 1350 o C. UNS S32750 round bar is of density 7.8 g/cm 3 and melting point of about 1350 o C. Bars of our team can be provided in the individual sizes and profiles to fit the project requirements.
The flat form Super duplex bar has a rectangular cross-section commonly used in the construction industry. Super Duplex hollow bar is furnished with or without a weld seam. Surface finishes are black, bright, polished, rough or even matt. Within the application of the super duplex stainless steel bar, cold-working may be performed on the bar following the hot rolling to enhance the strength and overall corrosion. Each of the super duplex bars at Lakshya Steel is produced using quality raw materials and modern processing. All bars are screened by stringent checks in order to eliminate flaws. Lakshya Steel is one of the trusted suppliers of super duplex bar, which supplies super duplex round bar, super duplex 2507 round bar, 2507 round bar and 2507 bar, super duplex round bar, super duplex 2507 round bar, UNS S32750 round bar, UNS S32760, 2507 round bar, and 2507 bar.
Super Duplex Bar Suppliers in India, 2507 Round Bar Manufacturers & Stockists
Lakshya Steel is a company that manufactures and supplies super duplex round bar products. This is a duplex steel which is a combination of austenitic and ferritic, which provides high strength and corrosion resistance. Standard duplex, lean duplex and super duplex 2507 round bars are offered in grades. The super duplex family has a great fatigue strength. Common chemistry comprises carbon, manganese, silicon, phosphorus, sulfur, approximately 24% chromium, 3% molybdenum, 6% nickel, nitrogen and iron.
Super Duplex Stainless Steel Round Bar comes in a broad spectrum of sizes and specifications, ASTM A276 and ASTM A479. The melting point of the alloy is approximately 1350 o C, its minimum yield strength is 550 Mpa and minimum tensile strength is 800 Mpa. ASTM A479 super duplex rod is applied in the construction, bridge, petrochemical units, in general engineering and shipbuilding.
ASTM A276 Type 2507 duplex rod is furnished in square, rectangular, hex and round. Alloy 2507 hex bars may be rough turned, bright polished, black or matt depending on size range of 6 mm to 120 mm, length of 100mm to 6000mm, and diameter of 6mm to 350mm. There are jobs that require certain forms like Super Duplex Flat Bar to use in the structure. Super duplex is a more expensive stainless grade compared to common stainless grades, but the lifecycle value is better. Get in touch with us to know more on the price of Super Duplex Square Bar and other types, such as super duplex 2507, UNS S32750 round bar, UNS S32760, 2507 round bar, 2507 bar
Types of Super Duplex Round Bar
Explore common forms of super duplex round bar like hot rolled, cold drawn, peeled, turned, ground, and machined. Find the right finish and profile to match your tolerance and surface needs.
| Product | Types of Super Duplex |
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S31803 Duplex Stainless Steel Rolled Bar |
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S31803 Duplex Cold Rolled Bar |
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S31803 Duplex Steel Continuous Cast Bar |
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S31803 Duplex Annealed Bar |
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S31803 Duplex Steel Quenched & Tempered Bar |
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S32760 Super Duplex Stainless Steel Black Bar |
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S32760 Super Duplex Steel Peeled Bar |
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S32760 Super Duplex Shaft |
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S32760 Super Duplex Cold Finish Round Bar |
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S32760 Super Duplex Hot Rolled Bar |
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S32760 Super Duplex Steel Forged Bar |
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S32750 Super Duplex Rods |
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S32750 Super Duplex Steel Normalized Bar |
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S32750 Super Duplex Steel Hardened & Tempered Bar |
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S32750 Super Duplex Steel Bright Bar |
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S32750 Super Duplex Grinded Machined Bar |
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S32750 Super Duplex Stainless Steel Polished Bar |
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S32750 Ferritic Stainless Steel Half Round Bar |
Super Duplex 2507 Rods Standard Specification
| Specifications | ASTM A276, A479 / ASME SA276, SA479 |
| Grade | Super Duplex 2507 – UNS S32760 |
| Round bar size | Diameter: 3-~800mm |
| Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Hex Bar size | 2-100mm A/F |
| Square bar size | 4 to 100mm |
| Technique | Cold Drawn, Hot Rolled, Forged Round Bar, Rod, Cold Rolled |
| Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| Standard | DIN, AISI, API, ASTM, EN, JIS, ASME, BS Round Bars |
| Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| Section | 3.0 to 12.0mm thickness |
| Form | Precision Ground Bar, Flat Bar, Square, Round, Half Round Bar, Rod, Rectangle, Hex (A/F), T-Bar, Channel Bar,Blocks, Round Rod, Threaded, Profiles, Billet, Ingot, I/H Bar, Forging, Rings, Hollow, Triangle etc. |
| Surface | Cold Drawn, Bright, Sand Blasting Finished, Hot Rolled Pickled, Hairline, Polished |
| Processing | Bar cutting to 650mm |
| Certificates | EN 10204 / 3.1 |
| Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| Billet Size | 1/2″ to 495mm Diameter |
| Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Condition | Hardened & tempered, annealed |
| Our Super Duplex Round bar conforms to NACE MR0175/ISO 15156 | |
Equivalent Material Grade Of Super Duplex Stainless Steel Round Bar
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex 2507 | 1.4410 | S32750 / S32760 |
Chemical Composition Of Super Duplex 2507 Round Bar
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| ≤0.030 | ≤0.8 | ≤1.2 | ≤0.035 | ≤0.015 | 25 | 7 | 4 | 0.3 | ≤0.5 |
Super Duplex 2507 Hex Bar Mechanical Properties
At 20°C (68°F)
Metric units, bar
| Proof strength | Tensile strength | Elong. | HB |
| Rp0.2a) | Rm | Ab) | |
| MPa | MPa | % | |
| approx. | |||
| ≥550 | 760-930 c) | ≥25 | 260 |
Imperial units, bar
| Proof strength | Tensile strength | Elong. | Hardness |
| Rp0.2a) | Rm | Ab) | Rockwell C |
| ksi | ksi | % | |
| ≥80 | 110-135 | ≥25 | ≤28 |
1 MPa = 1 N/mm2
a) Rp0.2 corresponds to 0.2% offset yield strength.
b) Based on L0 = 5.65√S0 , where L0 is the original gauge length and S0 the original cross-section area.
c) For sizes below 50 mm/2″ Rm min. 800 MPa.
Super Duplex 2507 Flat Bar Size
| Size (inch) | Sizes (mm) | Thickness (inch) | Thickness (mm) |
| 1 | 25 | 3/16 – 4/5 | 5 to 20 |
| 7/8 | 22 | 2/3 – 5/7 | 17 & 18 |
| 1-3/16 | 30 | 3/16 – 4/5 | 5 to 20 |
| 1-3/8 | 35 | 3/16 – 3/16 | 5 to 20 |
| 1-1/4 | 32 | 1/4 – 4/5 | 6 to 20 |
| 1-4/7 | 40 | 3/16 – 1 | 5 to 25 |
| 1-6/7 | 47 | 2/3, 1 & 1-1/4 | 17,25 & 32 |
| 1-7/9 | 45 | 3/16 – 1 | 5 to 25 |
| 2 | 50 | 3/16 – 1-1/4 | 5 to 32 |
| 2-3/8 | 60 | 3/16 – 1-3/8 | 5 to 35 |
| 2-1/4 | 57 | 1-1/4 | 32 |
| 2-1/2 | 63 | 3/8 – 1-3/16 | 10 to 30 |
| 2-1/16 | 55 | 3/16 – 1 | 5 to 25 |
| 2-5/9 | 65 | 3/8 – 1-3/16, & 1-3/8 | 10 to 30 & 35 |
| 3 | 75 | 5/16 – 1 | 8 to 25 |
| 2-3/4 | 70 | 1/4 – 1, & 1-4/7 | 6 to 25 & 40 |
| 3-1/8 | 80 | 5/16 – 4/5 | 8 to 20 |
| 4 | 100 | 5/16, 3/8, 1/2 | 8, 10, 12 |
| 3-1/2 | 90 | 5/16- 4/5 | 8 to 20 |
Super Duplex SAF 2507 Bar Thermal Conductivity
Metric units, W/(m °C)
| Temperature, °C | 20 | 100 | 200 | 300 | 400 |
| SAF 2507 | 14 | 15 | 17 | 18 | 20 |
| AISI 316L | 14 | 15 | 17 | 18 | 20 |
Metric units, x10-6/°C
| Temperature, °C | 30-100 | 30-200 | 30-300 | 30-400 |
| SAF 2507 | 13.5 | 14.0 | 14.0 | 14.5 |
| Carbon Steel | 12.5 | 13.0 | 13.5 | 14.0 |
| AISI 316L | 16.5 | 17.0 | 17.5 | 18 |
Imperial units, x10-6/°F
| Temperature, °F | 86-200 | 86-400 | 86-600 | 86-800 |
| SAF 2507 | 7.5 | 7.5 | 8.0 | 8.0 |
| Carbon Steel | 6.8 | 7.0 | 7.5 | 7.8 |
| AISI 316L | 9.0 | 9.5 | 10.0 | 10.0 |
2507 Duplex Stainless Bars Resistivity
| Temperature, °C | μΩm | Temperature, °F | μΩin. |
| 20 | 0.83 | 68 | 32.7 |
| 100 | 0.89 | 200 | 34.9 |
| 200 | 0.96 | 400 | 37.9 |
| 300 | 1.03 | 600 | 40.7 |
| 400 | 1.08 | 800 | 43.2 |
UNS S32750 Super Duplex Rounds Specific Heat Capacity
Metric units, Imperial units
| Temperature, °C | J/(kg °C) | Temperature, °F | Btu/(lb °F) |
| 20 | 490 | 68 | 0.12 |
| 100 | 505 | 200 | 0.12 |
| 200 | 520 | 400 | 0.12 |
| 300 | 550 | 600 | 0.13 |
| 400 | 585 | 800 | 0.14 |
Imperial units, Btu/(ft h °F)
| Temperature, °F | 68 | 200 | 400 | 600 | 800 |
| SAF 2507 | 8 | 9 | 10 | 11 | 12 |
| AISI 316L | 8 | 9 | 10 | 10 | 12 |
Super Duplex Steel S32760 Round Bar Price
| Price List of Super Duplex S32760 Round Bar | Super Duplex Steel S32760 Bar Price in India (INR) | UNS S32760 Round Bar Price in USD |
| Super Duplex S32760 Round Bar Price Per Kg | Rs. 2300 | $ 40.48 USD |
| ASTM A276 UNS S32760 Round Bar Price | ₹ 5103 | $ 27.03USD |
| Price of ASTM A479 UNS S32760 Bar 10.0mm dia x 500mm long | ₹ 1019 | $ 67.05 USD |
| Super Duplex Steel UNS S32760 Rod Price Per Kg | ₹ 1201 | $ 61.16 USD |
| Super Duplex S32760 F55 Bar Price | ₹ 1090 | $ 75.12 USD |
| UNS S32760 Rod Price Per Kg in India | ₹ 1675 | $ 39.90 USD |
| Super Duplex Steel S32760 Material Round Rod Price | ₹ 4514 | $ 18.10 USD |
| Price of Super Duplex 1.4501 Square Bar | ₹ 1690 | $ 64.10 USD |
| Super Duplex S32760 Hex Bar / Rod 10mm (A/F) x 2000mm Price | ₹ 3009 | $ 80.34 USD |
| SDSS UNS S32760 Flat Bar Price List | ₹ 1233 | $ 56.013 USD |
Frequently Asked Questions About Super Duplex Round Bar
Is super duplex better than 316?
What is the difference between SS and DSS?
What is super duplex used for?
Is 2205 duplex or super duplex?
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