EN 19 Round Bars

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EN 19 Round Bars Specification

Hardness
248-302 BHN (Brinell Hardness Number)

Purity
99% (approx)

Strength
690 MPa tensile strength

Product Type
Hot Rolled / Forged Round Bar

Material
EN 19 Grade Alloy Steel

Alloy
Medium Carbon, High Tensile Alloy Steel

Shape
Round

Moisture
Nil (Dry Condition)

Chemical Composition
Carbon: 0.35-0.45%, Manganese: 0.70-1.00%, Chromium: 0.90-1.50%, Molybdenum: 0.20-0.40%

Application
Automobile, Engineering, Oil & Gas, Gear Box, Shafts, General Construction

Dimension (L*W*H)
Diameter: 20mm to 350mm, Length: up to 6 meters

Color
Dark Grey

EN 19 Round Bars Trade Information

Main Export Market(s)
South America, Western Europe, Africa, Central America, Eastern Europe, Australia, Middle East, Asia, North America

Main Domestic Market
All India

About EN 19 Round Bars

EN 19 Round Bars

We will Give YOU EN 19 Round Bars of Good Quality. The EN 19 Round Bars manufactured by us are from raw material of Mukand Ltd , Usha Martin Ltd, Neco Jaiswal Ltd.
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Versatile Applications Across Industries

EN 19 round bars are preferred in the automotive sector for manufacturing shafts and gears, while engineering and construction industries employ them for general structural purposes. Their high tensile strength and good corrosion resistance make them suitable for oil & gas projects, gearboxes, and heavy-duty assemblies, ensuring long-lasting and reliable performance.

Robust Mechanical and Chemical Properties

With a hardness range of 248-302 BHN and a tensile strength of 690 MPa, EN 19 round bars deliver outstanding durability. Their compositionmedium carbon, chromium, molybdenum, and manganeseprovides a blend of strength, ductility, and wear resistance. The bars purity, minimal moisture content, and precise chemical composition make them suitable for demanding applications.

Flexible Manufacturing and Finishing Options

EN 19 bars undergo advanced processes such as hot rolling or forging, followed by heat treatments like normalization, hardening, and tempering to achieve desired mechanical properties. Customers can choose from various finishesmachined, peeled, black, or brightand receive bars in bundles, crates, or loose as suited for their supply chain requirements.

FAQs of EN 19 Round Bars:

Q: How are EN 19 round bars manufactured and finished?

A: EN 19 round bars are produced using either hot rolling or forging methods. After shaping, they undergo heat treatments such as normalization, hardening, and tempering to enhance strength and toughness. Surface finishes are customizable, including machined, black, peeled, and bright finishes, according to specific end-use requirements.

Q: What benefits do EN 19 round bars offer for engineering and automotive applications?

A: These bars provide high tensile strength (690 MPa), excellent machinability, and reliable weldability, making them ideal for manufacturing shafts, gears, and critical components in automotive and engineering sectors. Their good corrosion resistance and durability also contribute to longer product life and operational safety.

Q: Where can EN 19 round bars be used effectively?

A: EN 19 round bars are widely utilized in automobiles, oil & gas installations, gearboxes, general construction, and heavy-duty engineering assemblies. Their versatility and robust physical properties suit them for safety-critical and high-stress operations across diverse sectors.

Q: What standards and tolerances do EN 19 round bars meet?

A: These bars conform to international standards such as EN 19, AISI 4140, and DIN 42CrMo4, with tolerances aligned to EN or ASTM specifications. This ensures consistent quality and compatibility with global engineering and industrial requirements.

Q: When should I choose a specific surface finish for EN 19 round bars?

A: The selection of surface finishmachined, black, peeled, or brightdepends on the intended application. Machined and bright finishes are ideal for high-precision or visible components, while black or peeled surfaces suit less visible or structural uses where cosmetic appearance is secondary.

Q: How does the manufacturing process influence the properties of EN 19 round bars?

A: The chosen process, whether hot rolled or forged, affects mechanical characteristics such as grain structure and uniformity. Forging typically improves toughness, while hot rolling enhances dimensional accuracy and surface quality. Subsequent heat treatments further optimize hardness and tensile strength.

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