Alloy Steel AISI 4145 Bar

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Chetak Steel has built a solid reputation as a reliable manufacturer and supplier of Alloy Steel AISI 4145 Bars in Hyderabad, consistently delivering top-notch steel products to a variety of industrial sectors. Thanks to their state-of-the-art manufacturing facilities and rigorous quality control measures, Chetak Steel guarantees that their bars meet international standards and can handle demanding performance needs. Customers appreciate the Alloy Steel AISI 4145 Bars for their remarkable strength, toughness, and resistance to wear and fatigue. With a strong focus on technical expertise, timely delivery, and customer service, Chetak Steel has become a trusted partner for industries like engineering, oil & gas, and heavy machinery throughout India.

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Alloy Steel AISI 4145 Bar

Alloy Steel AISI 4145 Hex Bar

Alloy Steel AISI 4145 Square Bar

Table of Contents

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What is Alloy Steel AISI 4145 Bar?

The Alloy Steel AISI 4145 Bars are primarily made up of carbon, chromium, molybdenum, and manganese, creating a well-rounded mix of strength and hardenability. The carbon content typically falls between 0.40% and 0.48%, which boosts tensile strength and wear resistance. Meanwhile, chromium and molybdenum enhance toughness, corrosion resistance, and performance at high temperatures. Mechanically, AISI 4145 bars showcase impressive tensile and yield strength, good impact resistance, and outstanding fatigue properties when properly heat-treated. These features make the material perfect for heavy-duty applications that demand reliability under high stress and pressure.

Alloy Steel Bars

Alloy Steel AISI 4145 Bar Specifications

Dimensions:ASTM, ASME, DIN, BS, EN, IS, AMS, JIS, IBR & Other International Standards.
Standard:ASTM A689, JIS G4801, DIN 17221, GB/T 18254, ASTM A295, JIS G4805, etc.
Alloy Steel AISI 4145 Round Bars Range:Range – 3.17mm to 350mm dia
Alloy Steel AISI 4145 Round Bars Diameter:5mm-500mm (Customized size is acceptable)
Alloy Steel AISI 4145 Round Bars Length:1m-9m or according to the customer’s requirement
Type:Round bar, rod, square bar, flat bar, hexagon bar, angle bar, channel bar, threaded bar
Alloy Steel AISI 4145 Round Bars Technique:Forged/Hot Rolled/Cold Drawn/Peeled
Alloy Steel AISI 4145 Round Bars Surface:bright round bar, pickled round bar, black round bar
Package Details:Standard seaworthy package(wooden boxes package,pvc package, or other package)
Export Area:USA, UAE, Europe, Asia, Middle East, Africa, South America

Alloy Steel AISI 4145 Bar Chemical Compositions

Grade AISI 4145
Min. Max
C 0.43 0.49
Cr 0.80 1.10
Si 0.15 0.35
S – 0.040
Mn 0.85 1.10
P – 0.035
Mo 0.15 0.25

Alloy Steel AISI 4145 Bar Mechanical Properties

rade: AISI 4145
Tensile Strength (ksi) min : 140
Elongation (% in 50mm) min: 14
Yield Strength 0.2% Proof (ksi) min: 120
Hardness: –

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of Alloy Steel AISI 4145 Bar Fittings in Hyderabad, India

Chetak Steel is a trusted manufacturer and supplier of high-quality Alloy Steel AISI 4145 Bars in Hyderabad, India. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel, and Galvanized Steel, with a strong focus on AISI 4145 Bars. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings, Sheets, and Plates. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability, and performance for critical industrial applications. Contact us today for all your AISI 4145 Bar needs!

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Types of Alloy Steel AISI 4145 Bar

Alloy Steel AISI 4145 Forged Bar
Alloy Steel AISI 4145 Rectangular  Bar
Alloy Steel AISI 4145 Bright Bar
Alloy Steel AISI 4145 Round Bar
Alloy Steel AISI 4145 Flat Bar
Alloy Steel AISI 4145 Hot Rolled Bar

Alloy Steel AISI 4145 Bar Equivalent Grades

Standard: AISI 4145
WERKSTOFF NR. –
UNS G41450

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Uses of Alloy Steel AISI 4145 Bar

Alloy Steel AISI 4145 Bars find their place in various applications where high strength, toughness, and the ability to withstand extreme working conditions are crucial. They are widely used in the oil and gas sector for drill collars, tool joints, and drilling components. Additionally, these bars are essential in heavy engineering, power generation equipment, shafts, gears, and high-load mechanical parts. Their capacity to endure high pressure, cyclic loads, and elevated temperatures makes them ideal for critical components in industries like mining, construction machinery, and automotive engineering.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry