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AISI SAE 5115 Alloy Steel Bar 5115 Round Bars 5115 Rods
165.0 INR/Kilograms
Product Details:
- Processing Annealed, Normalized, Quenched and Tempered
- Technique Hot Rolled, Forged
- Length As per customer requirement (typical range: 3 to 6 meters)
- Specific Use Used in manufacturing machine parts requiring moderate strength and toughness
- Type Round Bars, Rods
- Grade 5115
- Diameter 16mm to 300mm or customized
- Click to view more
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AISI SAE 5115 Alloy Steel Bar 5115 Round Bars 5115 Rods Price And Quantity
- 1 Kilograms
- 165.0 INR/Kilograms
AISI SAE 5115 Alloy Steel Bar 5115 Round Bars 5115 Rods Product Specifications
- Round Bars, Rods
- Used in manufacturing machine parts requiring moderate strength and toughness
- Annealed, Normalized, Quenched and Tempered
- Hot Rolled, Forged
- As per customer requirement (typical range: 3 to 6 meters)
- Black, Peeled, Bright
- AISI SAE 5115 Alloy Steel
- H9, H11 or as required
- 16mm to 300mm or customized
- 5115
- Automotive components, shafts, gears, general engineering purposes
- ASTM, SAE, AISI
- Mill finish, rough turned
- >440 MPa (varies with condition)
- ~18% (in 50mm)
- As rolled / as forged / heat treated
- Available in Annealed, Normalized, or Quenched and Tempered condition
- Carbon 0.13-0.18%, Manganese 0.70-0.90%, Chromium 0.80-1.10%, Phosphorus max 0.035%, Sulfur max 0.035%
- Annealed 167-217 HB, Quenched and tempered as required
- 630-780 MPa (varies with condition)
Product Description
AISI/SAE 5115 is a low-carbon, chromium-alloyed case-hardening (carburizing) steel standard defined by the American Iron and Steel Institute and the Society of Automotive Engineers.
Supplied primarily as cold-finished or hot-rolled round bars and rods, this grade is engineered for high-precision components that demand an extremely hard, wear-resistant outer surface (case) alongside a structural, impact-resistant core.
Technical Specifications & Cross-References
AISI 5115 sits perfectly within the global family of manganese-chromium and chromium-only carburizing steels. When sourcing equivalents for international projects, look for:
| Standard | Designation / Grade |
| AISI / SAE (USA) | 5115 / UNS G51150 |
| European (EN / DIN / WNr) | 16MnCr5 / 1.7131 or 15Cr3 / 1.7015 |
| British Standard (BS 970) | 527M17 / 590M17 / EN351 |
| AFNOR (France) | 16MC5 |
| JIS (Japan) | SCr415 / SCr415H |
| GOST (Russia) | 15Kh (15) |
Chemical Composition (ASTM A29 / SAE J404)
The addition of chromium provides AISI 5115 with superior response to case hardening and deeper hardenability compared to standard plain carbon steels (like 1018).
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Carbon (C): 0.13% 0.18% (keeps the inner core ductile and tough after quenching)
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Chromium (Cr): 0.70% 0.90% (promotes chromium-carbide formation for high surface hardness)
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Manganese (Mn): 0.70% 0.90%
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Silicon (Si): 0.15% 0.35%
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Phosphorus (P): max. 0.035%
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Sulfur (S): max. 0.040%
Mechanical Profiles & Heat Treatment Behavior
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Machinability: In its annealed or cold-drawn supply state, AISI 5115 exhibits excellent machinability (roughly 70-75% of AISI 1212 free-machining steel), reducing tool wear during complex turning, boring, and gear cutting.
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Surface Hardness: Following carburizing, oil quenching, and low-temperature tempering, the outer layer easily reaches a hardness of 58 to 62 HRC, making it exceptionally resistant to abrasive wear and adhesive scuffing.
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Core Limitations: Because it is a lean alloy, its core hardenability is localized. It yields maximum core toughness in small-to-medium cross-sections (typically under 2 inches / 50 mm in diameter).
Typical Engineering Applications
Because AISI 5115 round bars can handle localized sliding friction and cyclic shock loading simultaneously, they are common choices for:
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Automotive & Drivetrain: Light-duty gears, pinions, splined shafts, worm gears, and clutch components.
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Industrial Fasteners: Specialized pins, heavy-duty socket bolts, dowels, and gudgeon pins.
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Machinery Components: Bushings, cams, pistons, and universal joint linkages.
High-Quality Alloy Steel for Critical Applications
AISI SAE 5115 alloy steel bars are engineered for durability and reliability, featuring a balanced combination of strength and toughness. These round bars and rods are supplied in multiple surface finishes and heat treatments, making them ideal for automotive parts, shafts, and gears. The controlled chemical composition and customizable mechanical properties ensure consistent quality and performance for diverse engineering requirements.
Customizable Dimensions and Tolerances
These alloy steel bars and rods are available in diameters ranging from 16mm to 300mm, with lengths typically between 3 and 6 meters, and can be tailored to meet specific customer needs. Options include H9, H11, or custom tolerances, as well as a variety of finishes like black, peeled, or bright. This adaptability makes the product suitable for unique project specifications and complex manufacturing requirements.
Comprehensive Processing and Delivery Options
AISI SAE 5115 bars can be supplied as hot rolled, forged, or heat treated, depending on the client's demands. With annealed, normalized, or quenched and tempered processes available, the product can achieve the desired balance of hardness and ductility. Delivery conditions include as-rolled, as-forged, or heat treated, providing flexibility and rapid availability for time-sensitive projects.
FAQ's of AISI SAE 5115 Alloy Steel Bar 5115 Round Bars 5115 Rods:
Q: How is the AISI SAE 5115 Alloy Steel Bar typically used in the industry?
A: AISI SAE 5115 alloy steel bars are widely used in the manufacturing of automotive components such as gears, shafts, and axles, as well as in general engineering applications that require moderate strength and toughness. Their balanced mechanical properties make them ideal for demanding applications.Q: What processing options are available for these steel bars and rods?
A: The bars can be processed through various methods, including annealing, normalizing, or quenching and tempering. These treatments help achieve the required mechanical properties, such as tensile strength and hardness, to suit specific application needs.Q: When should I specify the delivery condition of 5115 steel bars?
A: The delivery condition-such as as-rolled, as-forged, or heat treated-should be specified when placing an order. This ensures that the product meets the end-use requirements and reduces lead times by providing bars in the most suitable state for fabrication or direct use.Q: Where are these alloy steel bars produced and supplied?
A: 5115 alloy steel bars are manufactured, exported, and supplied across India and internationally. They are available through dealers, manufacturers, fabricators, traders, and retailers, ensuring reliable access for customers worldwide.Q: What are the main benefits of choosing AISI SAE 5115 for my project?
A: This alloy steel grade offers a blend of moderate strength, toughness, and excellent machinability. It is highly customizable in terms of dimensions, surface finish, and mechanical properties, leading to enhanced performance and longevity of components, especially in automotive and engineering applications.Q: How can the specific requirements for size and tolerance be addressed?
A: Customers can request customized diameters (16mm to 300mm), lengths (typically 3 to 6 meters), and tolerances (H9, H11, or custom) while placing orders to ensure that the bars fit exact project specifications and functional needs.Tell us about your requirement
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