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Price 80 INR/ Kilograms
MOQ : 500 Kilograms
4140 Alloy Steel Round Hot Rolled Bar Specification
- Hardness
- 197-237 HB (annealed)
- Product Form
- Bar
- Corrosion Resistant
- Moderate, not stainless
- Coating Type
- Uncoated (optional coating on request)
- Recyclable
- Yes
- Heat Resistance
- Yes
- Size
- Standard and custom sizes
- Tensile Strength
- 655-1080 MPa (95,000-156,000 psi)
- Material Composition %
- Carbon 0.38-0.43%, Manganese 0.75-1.00%, Chromium 0.80-1.10%, Molybdenum 0.15-0.25%, Silicon 0.15-0.35% approx.
- Diameter
- 10mm - 350mm (custom sizes available)
- Product Name
- 4140 Alloy Steel Round Hot Rolled Bar
- Steel Type
- Alloy Steel
- Steel Product Type
- Round Bar
- Grade
- 4140
- Thickness
- As per diameter size
- Shape
- Round
- Steel Standard
- ASTM A29/A322, AISI 4140, JIS G4105, DIN 1.7225
- Surface
- Hot Rolled
- Composition
- Chrome-Moly Alloy
- Application
- Machinery, shafts, forging, tool, automotive parts, structural use
- Dimension (L*W*H)
- Custom length x Diameter (Round Bar)
- Weight
- Depends on size & length
- Color
- Natural gray/black (hot rolled finish)
- Material Grade
- 4140
- Finish Type
- Hot Rolled
- Usage
- Engineering, construction, tool and die making, industrial applications
- Density
- 7.85 g/cm3
- Minimum Order Quantity
- As per supplier's policy
- Straightness Tolerance
- As per ASTM or manufacturer standard
- Packaging Type
- Standard seaworthy export packing
- Impact Toughness
- High
- Elongation
- 20% minimum (in 50 mm, longitudinal)
- Machinability
- Good (65% of 1112 as per SAE scale)
- Stock Status
- Available, subject to prior sale
- Delivery Condition
- Hot rolled, annealed, or quenched and tempered
- Melting Point
- 1416C (2580F)
- Custom Processing
- Cutting, machining, and surface treatment available
- Yield Strength
- 415-930 MPa
- Weldability
- Fair to Good (pre-heat and post-weld heat treatment recommended)
4140 Alloy Steel Round Hot Rolled Bar Trade Information
- Minimum Order Quantity
- 500 Kilograms
- Supply Ability
- 10000 Kilograms Per Month
- Delivery Time
- 1 Week
About 4140 Alloy Steel Round Hot Rolled Bar
Experience the elite quality of 4140 Alloy Steel Round Hot Rolled Bar-highly recommended for demanding industrial applications. Produced from rarefied chrome-moly composition, this world-class bar boasts a yield strength of 415-930 MPa and superb impact toughness. Its scarce availability and special rates make it a unique choice for engineering, automotive, and structural uses. With good machinability and fair weldability (pre- and post-heat treatment suggested), this product is an excellent investment for those seeking durability, reliability, and bespoke customization.
Special Features and Versatile Applications
The 4140 Alloy Steel Round Hot Rolled Bar stands out for its robust yield and tensile strength, notable impact resistance, and high machinability. Supplied in hot rolled, annealed, or quenched and tempered states, it meets strict straightness tolerance requirements. Highly effective for machinery, shafts, forgings, tools, and automotive parts, this alloy bar is often used in both heavy engineering and precision tool applications, cementing its reputation as a trusted choice across diverse industries.
Certifications, Export Packaging, and Payment Terms
Certified to global standards like ASTM A29/A322, AISI 4140, and DIN 1.7225, the 4140 Alloy Steel Bar meets rigorous quality expectations for the export market. Your shipped goods are securely packed in seaworthy export packaging to ensure safe logistics and delivery. Payment terms are aligned with supplier policies and can be customized for bulk orders. Products are tracked throughout the supply chain for assured delivery reliability and efficiency, making international procurement seamless.
Special Features and Versatile Applications
The 4140 Alloy Steel Round Hot Rolled Bar stands out for its robust yield and tensile strength, notable impact resistance, and high machinability. Supplied in hot rolled, annealed, or quenched and tempered states, it meets strict straightness tolerance requirements. Highly effective for machinery, shafts, forgings, tools, and automotive parts, this alloy bar is often used in both heavy engineering and precision tool applications, cementing its reputation as a trusted choice across diverse industries.
Certifications, Export Packaging, and Payment Terms
Certified to global standards like ASTM A29/A322, AISI 4140, and DIN 1.7225, the 4140 Alloy Steel Bar meets rigorous quality expectations for the export market. Your shipped goods are securely packed in seaworthy export packaging to ensure safe logistics and delivery. Payment terms are aligned with supplier policies and can be customized for bulk orders. Products are tracked throughout the supply chain for assured delivery reliability and efficiency, making international procurement seamless.
FAQ's of 4140 Alloy Steel Round Hot Rolled Bar:
Q: How does the 4140 Alloy Steel Round Hot Rolled Bar compare to standard carbon steels in terms of strength and toughness?
A: The 4140 Alloy Steel Round Hot Rolled Bar offers significantly higher yield and tensile strength, alongside excellent impact toughness and moderate corrosion resistance when compared to standard carbon steels, making it highly suitable for demanding engineering and automotive applications.Q: What applications benefit most from using the 4140 Round Bar?
A: This alloy bar is highly recommended for machinery parts, shafts, forging, tool and die making, automotive components, and structural uses where strength, heat resistance, and good machinability are required.Q: When is pre-heating or post-weld heat treatment required for this alloy bar?
A: Pre-heating and post-weld heat treatment are suggested for welding operations to retain the mechanical properties, reduce brittleness, and minimize the risk of cracking in the heat-affected zones.Q: Where are your 4140 Alloy Steel Bars typically shipped from and to?
A: These bars are supplied by traders and suppliers across India and are regularly exported to various international markets, with shipping and logistics managed according to customer requirements.Q: What is the process for ordering custom dimensions or processing?
A: Customers can request custom diameters, lengths, and surface treatments including cutting and machining. The process involves specifying requirements during inquiry; the supplier will then confirm feasibility and provide special rates depending on the order volume and processing complexity.Q: What benefits does the 4140 steel bar's composition provide for high-temperature applications?
A: The chrome-moly composition ensures good heat resistance, maintaining mechanical integrity in high-temperature conditions, which is valuable in automotive, industrial, and tool-making applications where thermal stability is essential.
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REKHA BRIGHT STEELS PVT. LTD.
GST : 27AAACR3015K1ZJ
GST : 27AAACR3015K1ZJ
Mrs. Rajvi
(Director)
Mobile : 07971405456
C/4, Mahavir Darshan, Khambata Lane, Khetwadi Back Road,Mumbai - 400004, Maharashtra, India
Mrs. Rajvi Gandhi (Director) - 09833680069
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