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DIN 1.4472 High Nitrogen Steel Round Bar DIN 1.4472 High Nitrogen Steel Round Bar DIN 1.4472 High Nitrogen Steel Round Bar DIN 1.4472 High Nitrogen Steel Round Bar DIN 1.4472 High Nitrogen Steel Round Bar

DIN 1.4472 High Nitrogen Steel Round Bar

1437.0 INR/Piece
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Product Details:

  • Technique Hot Rolled / Cold Drawn
  • Specific Use High Corrosion Resistance and High Strength Environments
  • Finish Bright, Polished, Peeled, Turned
  • Standard DIN 1.4472
  • Processing Hot Rolled, Cold Drawn, Polished
  • Grade 1.4472 / X13CrMnMoN18-14-3
  • Type Round Bar
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DIN 1.4472 High Nitrogen Steel Round Bar Price And Quantity

  • 1 Piece
  • 1437.0 INR/Piece

DIN 1.4472 High Nitrogen Steel Round Bar Product Specifications

  • DIN 1.4472 High Nitrogen Steel
  • 4mm to 350mm
  • 1000mm to 6000mm or as required
  • Used in Chemical Processing, Pharmaceuticals, Medical Implants, Marine Environments, and High Corrosion Applications
  • 1.4472 / X13CrMnMoN18-14-3
  • Hot Rolled, Cold Drawn, Polished
  • DIN 1.4472
  • h8, h9, h10 or as specified
  • Round Bar
  • Hot Rolled / Cold Drawn
  • Bright, Polished, Peeled, Turned
  • High Corrosion Resistance and High Strength Environments
  • Solution Annealed
  • Non-magnetic in annealed condition
  • Excellent resistance to pitting and crevice corrosion
  • ~ 7.9 g/cm3
  • Round
  • > 35%
  • Pickled, Annealed
  • > 350 MPa
  • 190-220 HB
  • 650 - 900 MPa

Product Description

DIN 1.4472 High Nitrogen Stainless Steel Round Bars, Rods, and Bars

DIN Werkstoff Nr. 1.4472standardized in Europe as X4CrNiMoN21-9-4 or X2CrNiMoN21-16-5-4 and internationally recognized under UNS S31675, ASTM F1586, and ISO 5832-9is a high-purity, fully austenitic high-nitrogen stainless steel. Produced using vacuum-arc remelting or electroslag remelting processes, it is engineered for high-fatigue surgical implants, orthopaedic hardware, dental devices, and specialized non-magnetic components. The addition of 0.25 to 0.50 percent nitrogen in solid solution delivers nearly double the yield strength of standard 316L stainless steel alongside enhanced resistance to pitting, crevice corrosion, and cyclic fatigue.

Standards and Equivalent Designations

Primary specifications include DIN Werkstoff Nr. 1.4472, EN name X4CrNiMoN21-9-4 or X2CrNiMoN21-16-5-4, ISO 5832-9, ASTM F1586, and UNS S31675. Common commercial trade designations include Rex 734, UGIPURE 4472, and Chronifer M-1586.

Chemical Composition Limits

The chemical composition mandates 19.50 to 22.00 percent chromium, 9.00 to 11.00 percent nickel, 2.00 to 4.25 percent manganese, 2.00 to 3.00 percent molybdenum, 0.25 to 0.50 percent nitrogen, and 0.25 to 0.80 percent niobium. Maximum impurity limits require no more than 0.030 percent carbon, 0.75 percent silicon, 0.025 percent phosphorus, 0.010 percent sulfur, and 0.25 percent copper, with iron providing the balance.

Physical Properties

DIN 1.4472 steel features a density of 7.88 grams per cubic centimeter (0.285 pounds per cubic inch) and a tension modulus of elasticity of 200 gigapascals. The alloy delivers a Pitting Resistance Equivalent Number between 33.0 and 38.0. Due to its nitrogen-stabilized austenitic matrix, it maintains a magnetic permeability below 1.005, remaining non-magnetic even after substantial cold working.

Mechanical Properties

Mechanical requirements vary depending on whether the bar stock is supplied in the solution-annealed state or cold-worked condition.

In the solution-annealed condition, round bars mandate a minimum tensile strength of 740 megapascals (107 ksi), a minimum 0.2 percent yield strength of 430 megapascals (62 ksi), a minimum elongation of 35 percent, and a typical hardness between 200 and 250 Brinell.

In the cold-worked high-strength condition, minimum tensile strength increases to 1000 megapascals (145 ksi), minimum 0.2 percent yield strength increases to 750 megapascals (109 ksi), elongation ranges from 10 to 15 percent, and hardness reaches 30 to 38 Rockwell C.



Exceptional Corrosion Resistance

DIN 1.4472 High Nitrogen Steel Round Bars are engineered for optimal resistance to pitting and crevice corrosion. This makes them a dependable choice for use in aggressive chemical environments, marine applications, and high-purity pharmaceutical settings where other materials might fail.


Impressive Mechanical Properties

With a yield strength surpassing 350 MPa and tensile strength between 650 and 900 MPa, these round bars maintain high structural integrity. Their elongation over 35% ensures a balance of toughness and ductility, making them suitable for both static and dynamic high-stress conditions.


Versatile Finishing and Processing

Available in a broad spectrum of diameters-from 4mm up to 350mm-and lengths from 1000mm to 6000mm, these bars are produced using advanced hot rolled, cold drawn, and polished techniques. Tolerances can be tailored to h8, h9, h10, or custom specifications to match diverse industrial requirements.

FAQ's of DIN 1.4472 High Nitrogen Steel Round Bar:


Q: How does the surface condition of DIN 1.4472 High Nitrogen Steel Round Bar enhance its usability?

A: The round bar is available in pickled, annealed, and polished conditions, which improve its corrosion resistance, surface finish, and cleanliness. This makes it particularly suitable for industries with strict hygiene and durability standards, such as medical devices and pharmaceuticals.

Q: What is the recommended process for machining or forming DIN 1.4472 round bars?

A: DIN 1.4472 round bars are processed by hot rolling or cold drawing, depending on the desired mechanical properties and finish. These bars can be machined using conventional techniques, but carbide tools are recommended due to the alloy's high strength, especially after solution annealing.

Q: When should DIN 1.4472 High Nitrogen Steel Round Bars be used over standard stainless steel bars?

A: They should be chosen when applications demand superior resistance to pitting, crevice corrosion, and high mechanical strength, such as in chemical processing plants, marine environments, or for medical implant production.

Q: Where are these round bars typically utilized in India?

A: In India, DIN 1.4472 High Nitrogen Steel Round Bars are widely used by manufacturers and suppliers for chemical processing, marine engineering, pharmaceutical manufacturing, and the medical device sector due to their exceptional performance in corrosive and high-strength environments.

Q: What benefits do the non-magnetic properties offer for this alloy?

A: The non-magnetic property in the annealed condition is crucial for applications requiring minimal magnetic interference, such as in medical implants, precision instruments, and electronic equipment.

Q: How can customers specify the dimensions and tolerance for their orders?

A: Customers can specify the required diameter (from 4mm to 350mm), length (from 1000mm to 6000mm), and tolerance grade (h8, h9, h10, or custom) when placing orders with dealers, exporters, or manufacturers. Bars can be supplied as per precise project requirements.

Q: What is the main benefit of choosing DIN 1.4472 for environments with high corrosion risk?

A: The primary advantage is its excellent resistance to pitting and crevice corrosion, ensuring longevity and reduced maintenance costs in aggressive chemical, marine, and high-purity environments.

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