A3 Steel Grade for Railway Axle Billets
Request an A3 Steel Specification Review and Quote
Auremo LLC, 505 Ellicott St, Buffalo, NY 14203, handles A3 steel inquiries for U.S. railway and engineering projects. Call +1 716 910 04 21 or send the exact standard, billet form and dimensions.
Available product forms
- round billets
- square billets
- rolled or forged blanks subject to specification
- custom cut lengths and machining allowance
Information to include in your request
Please provide the governing standard or grade, product form, dimensions and tolerances, quantity, delivery ZIP code and required documentation. Pricing and availability are confirmed individually for each inquiry.
Frequently asked questions
How is the price for A3 steel for railway axle billets confirmed?
Prices are provided on request and depend on the exact grade or standard, dimensions, tolerances, quantity, documentation and freight requirements.
Can non-standard dimensions be requested?
Yes. Include a drawing or dimensional requirements. Availability and manufacturing or sourcing feasibility are confirmed with the quotation.
What is the typical delivery time in the United States?
Typical U.S. delivery is 2–3 weeks after order confirmation. The final lead time and delivery terms are stated in the quotation for the selected material, quantity and destination.
Related materials and references
A32 shipbuilding steel · A40 shipbuilding steel · A-series steel record
Designation
| Name | The value |
|---|---|
| Designation GOST Cyrillic | А3 |
| Designation GOST Latin | A3 |
| Transliteration | A3 |
| The chemical elements | - |
Description
A3 steel designation and purchasing requirements
Searches for A3 steel, A3 material, A3 tool steel or an A3 equivalent can refer to different specifications and must not be treated as interchangeable. For the axle-billet material documented on this page, provide the issuing standard, billet section, delivery and heat-treatment condition, machining allowance, testing, certificates and quantity.
A3 steel is used: for the manufacture of laminated and forged billet of square or circular cross-section designed for the production of axles of locomotives, electric trains, diesel and electric trains, wagons, railway and subway Railways.
Note
A steel alloy.
Standards
| Name | Code | Standards |
|---|---|---|
| Bandages. Wheels. Axes | В41 | GOST 30272-96, GOST 31334-2007 |
Chemical composition
| Standard | C | S | P | Mn | Cr | Fe | Cu | V | Mo |
|---|---|---|---|---|---|---|---|---|---|
| GOST 31334-2007 | ≤0.4 | ≤0.04 | ≤0.04 | ≤1.6 | ≤0.5 | The rest | ≤0.3 | ≤0.1 | ≤0.4 |
Mechanical characteristics
| Section, mm | sT|s0,2, MPa | σB, MPa | d5, % | kJ/m2, кДж/м2 |
|---|---|---|---|---|
| Steel A3. The axis of the driving and trailer cars for 31331-2007 GOST, ISO 105-3-82. Mode T: Tempering + Vacation | ||||
| ≥420 | 650-800 | ≥19 | ≥392 | |
Description mechanical marks
| Name | Description |
|---|---|
| Section | Section |
| sT|s0,2 | Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2% |
| σB | Limit short-term strength |
| d5 | Elongation after rupture |
| kJ/m2 | Toughness |
