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X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars

X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars

175.0 INR/Kilograms
Get a Price/Quote

Product Details:

  • Type Round Bar
  • Processing Forged, Peeled, Turned, Rolled
  • Material X10CrMoVNb9-1 Alloy Steel
  • Diameter 6 mm to 350 mm
  • Standard EN 10216-2, ASTM A335, DIN 1.4903
  • Tolerance H9, H10, H11 (as per requirement)
  • Finish Bright, Black, Polished
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X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars Price And Quantity

  • 175.0 INR/Kilograms
  • 1000 Kilograms

X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars Product Specifications

  • Hot Rolled
  • X10CrMoVNb9-1 (1.4903)
  • 1 to 6 meters or customized
  • Steam pipeline, heater tubes, superheaters
  • Petrochemical, Power Plants, Boiler, Heat Exchanger, Pressure Vessels
  • Forged, Peeled, Turned, Rolled
  • X10CrMoVNb9-1 Alloy Steel
  • Round Bar
  • Bright, Black, Polished
  • EN 10216-2, ASTM A335, DIN 1.4903
  • 6 mm to 350 mm
  • H9, H10, H11 (as per requirement)
  • Standard export packing or as required by customer
  • >=20%
  • 450 MPa
  • Annealed or as rolled
  • 630-830 MPa
  • EN 10204 3.1/3.2
  • 7.74 g/cm3
  • Third Party Inspection Accepted
  • Normalized and Tempered
  • 165-220 HB

Product Description

Material Grade X10CrMoVNb9-1 / 1.4903 / Grade 91
Standard EN 10216-2, ASTM A335, ASTM A182
Diameter 10mm to 500mm
Surface Treatment Black, Bright, Polished, or Centerless Ground
Heat Treatment Normalized and Tempered
Technique Hot Rolled / Forged
Supply Ability [Insert Capacity, e.g., 500 Tons per Month]

Optimized Product Description

Copy and paste this into the "Product Description" box:

X10CrMoVNb9-1 Alloy Steel Round Bars are high-performance martensitic alloy steels designed for extreme thermal environments. Often referred to as P91 or F91, this grade is alloyed with 9% Chromium and 1% Molybdenum, enhanced with Vanadium and Niobium to provide superior creep strength and heat resistance.

Key Performance Benefits:

  • Exceptional Creep Rupture Strength: Optimized for long-term service at temperatures up to 650C.

  • High Oxidation Resistance: The 9% Chromium content provides a robust protective layer against high-temperature corrosion.

  • Thermal Fatigue Resistance: Engineered to handle frequent temperature fluctuations in power plant operations.

  • Reduced Wall Thickness: High allowable stress levels allow for lighter, more efficient component designs compared to standard alloy steels.

Industrial Applications:

  • Ultra-supercritical power plant piping and headers.

  • High-pressure steam boilers and reheater tubes.

  • Petrochemical refinery reactors and furnace components.

  • Turbine rotors and high-temperature structural supports.



Engineered for High-Temperature Performance

Designed for exceptional durability under high stress and thermal conditions, X10CrMoVNb9-1 Alloy Steel Round Bars are favored in industries such as energy, petrochemicals, and pressure vessel manufacturing. Their heat treatment ensures stability at elevated temperatures, making them reliable for critical installations like superheaters and heater tubes.


Versatile Dimensions and Superior Finish

These round bars are available in a comprehensive range of diameters (6 mm to 350 mm) and lengths (1 to 6 meters or customized), with finish options like bright, black, or polished. Processing methods include forging, peeling, turning, and rolling, enabling precise adaptation to project-specific requirements.


Trusted Quality and Third-Party Verification

Each batch comes with EN 10204 3.1/3.2 test certificates, providing traceability and compliance with international standards. Customers can also request third-party inspections, ensuring consistent quality and peace of mind for critical industrial applications.

FAQ's of X10CrMoVNb9-1 Alloy Steel X10CrMoVNb9-1 Round Bars:


Q: How are X10CrMoVNb9-1 round bars typically processed to meet application requirements?

A: X10CrMoVNb9-1 round bars are processed using methods such as forging, peeling, turning, and rolling, coupled with a normalized and tempered heat treatment. This ensures optimal mechanical properties for demanding uses in boilers, superheaters, and power plants.

Q: What benefits do X10CrMoVNb9-1 alloy steel round bars provide for steam pipelines and heat exchangers?

A: These alloy steel bars offer excellent thermal resistance, durability, and high mechanical strength, making them ideal for steam pipelines and heat exchangers operating under elevated pressures and temperatures in industrial environments.

Q: When should I choose annealed or as rolled surface condition for these bars?

A: The choice depends on the intended use. Annealed bars offer improved machinability and ductility, suitable for further fabrication, while as rolled bars provide higher strength and are often used when enhanced structural integrity is needed immediately after delivery.

Q: Where is the typical application area for X10CrMoVNb9-1 alloy steel round bars?

A: They are widely used in petrochemical facilities, power generation plants, boilers, pressure vessels, and anywhere thermal resilience and mechanical strength are critical, particularly for steam, heater, and superheater tubing systems.

Q: What is the certification process for these alloy steel round bars?

A: Each batch is supplied with EN 10204 3.1/3.2 test certificates ensuring conformity to standards, with the option for third-party inspection to verify quality and authenticity as per client request.

Q: How can customers ensure the bars meet their project's required tolerance and finish?

A: Tolerances like H9, H10, and H11 are available as per customer needs, and bars can be delivered with bright, black, or polished finishes. Customizations are discussed during order placement to guarantee specifications are precisely met.

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