Standard and edition
Confirm the controlling document; a grade name or cross-reference alone is not a complete acceptance specification.
Stainless Steel Round Bar | Duplex Steel Round Bar | High Nickel Alloy Round Bar
Alloy Steel Round Bar
Alloy Steel AISI 4145 Round Bar. Piyush Steel India Round Bar is a leading manufacturer and exporter of high-quality AISI 4145 Round Bar. Our UNS G41450 Round Bars are available in various sizes.
For a quotation, specify the grade, product standard, dimensions, supply condition, tolerances, testing and delivery destination.
Product information by Piyush Steel India

At a glance
Confirm the applicable specification and availability for your required size and condition.
Buyer selection guide
Begin with the drawing, equipment specification, or governing code. The product name identifies the material route; acceptance depends on the complete purchase specification.
Common applications
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 |
We maintain ready stock of Alloy Steel AISI 4145 Round Bar, Alloy Steel AISI 4145 Hex Bar, Alloy Steel AISI 4145 Square Bar, Alloy Steel AISI 4145 Bright Bar, Alloy Steel AISI 4145 Flat Bar and Alloy Steel AISI 4145 Rods. Get in touch with us with your requirement for quick quote.
Chemical composition
| 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 |
Mechanical properties
| Grade: | AISI 4145 |
|---|---|
| Tensile Strength (ksi) min : | 140 |
| Elongation (% in 50mm) min: | 14 |
| Yield Strength 0.2% Proof (ksi) min: | 120 |
| Hardness: | - |
Technical considerations
Confirm the controlling document; a grade name or cross-reference alone is not a complete acceptance specification.
Check that property values apply to the required diameter, heat treatment, test direction and temperature.
State tolerances, straightness, length, surface finish, machining allowance, and end condition where required.
Define inspection, test reports, marking, heat identification, third-party requirements, and destination documentation.
Equivalent grades
| Standard: | AISI 4145 |
|---|---|
| WERKSTOFF NR. | - |
| UNS | G41450 |
Product details
Send your product requirements for a quotation.
Piyush Steel India is manufacturer, stockist, exporter and supplier Alloy Steel AISI 4145 Round Bars conforming to various national and international standards. We are one of the largest stockist of Alloy Steel AISI 4145 Round Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Alloy Steel AISI 4145 Round Bars conforming to various national and international standards. We are one of the largest stockist of Alloy Steel AISI 4145 Bright Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Alloy Steel AISI 4145 Square Bars conforming to various national and international standards. We are one of the largest stockist of Alloy Steel AISI 4145 Square Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Alloy Steel AISI 4145 Round Bars conforming to various national and international standards. We are one of the largest stockist of Alloy Steel AISI 4145 Hex Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Alloy Steel AISI 4145 Round Bars conforming to various national and international standards. We are one of the largest stockist of Alloy Steel AISI 4145 Hollow Bars.
Piyush Steel India is manufacturer, stockist, exporter and supplier Alloy Steel AISI 4145 Round Bars conforming to various national and international standards. We are one of the largest stockist of Alloy Steel AISI 4145 Forged Bars.
Alloy Steel AISI 4145 Round Bars Price list is available on demand. Send your requirement to get the latest price for Alloy Steel AISI 4145 Round Bars and Rods. Get in touch with us for your requirement.
Our Alloy Steel AISI 4145 Round Bars & Rods are exported across the world. You can send your export enquiry using the contact us link below. We are also prominent exporter to the below countries.
Product questions
This product is organized under Alloy Steel Round Bar. Use the category page to compare the grade range.
UNS G41450; ASTM A689; ASTM A295; JIS G4801; JIS G4805. Confirm the applicable standard and edition for your order.
Provide the grade and standard, diameter, length, quantity, condition, finish, tolerance, testing, documentation, destination, and required timing.
Related products
Specification-led enquiries
Include the governing standard, dimensions, quantity, condition, testing requirements, documentation, and destination.
