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Alloy Steel 35C8 Round Bar 35C8 Bars 35C8 Rods
169.0 INR/Kilograms
Product Details:
- Standard IS 1875, ASTM, ASME
- Material Alloy Steel 35C8
- Diameter 6mm to 350mm
- Length 1000mm to 6000mm or as required
- Grade 35C8
- Technique Hot Rolled, Cold Drawn
- Application Construction, Engineering, Industrial, Automobile
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Alloy Steel 35C8 Round Bar 35C8 Bars 35C8 Rods Price And Quantity
- 169.0 INR/Kilograms
- 1 Kilograms
Alloy Steel 35C8 Round Bar 35C8 Bars 35C8 Rods Product Specifications
- 1000mm to 6000mm or as required
- 35C8
- Hot Rolled, Cold Drawn
- Construction, Engineering, Industrial, Automobile
- Annealed, Hardened, Tempered
- IS 1875, ASTM, ASME
- Bright, Black, Polished
- H8, H9, or as required
- Round Bar, Rod, Bar
- Alloy Steel 35C8
- Machinery Parts, Shafts, Pins, Fasteners
- 6mm to 350mm
- Smooth
- Round
- 250-300 MPa
- 140-180 HBW (Annealed)
- Available as per specifications
- Solid
- Peeled, Turned, Ground
- Yes
- ~7.85 g/cm3
- ~20%
Product Description
35C8 is a medium-carbon steel grade designated under Indian Standards (IS 1570 or IS 5517). It is an unalloyed structural carbon steel engineered to deliver a balanced combination of moderate tensile strength, ductility, and excellent machinability at a highly economical cost compared to fully alloyed steels.
It is universally supplied as hot-rolled, cold-drawn, or turned round bars, rods, and flats for standard engineering applications.
Technical Specifications
1. Chemical Composition
The absence of significant intentional alloying elements (like chromium, nickel, or molybdenum) classifies this strictly as a carbon steel. The manganese content is optimized to provide sufficient hardness depth during manufacturing.
| Element | Min (%) | Max (%) |
| Carbon (C) | 0.30 | 0.40 |
| Manganese (Mn) | 0.60 | 0.90 |
| Silicon (Si) | 0.10 | 0.35 |
| Phosphorus (P) | 0.045 | |
| Sulfur (S) | 0.045 |
2. Global Material Equivalents
Because it is a straightforward medium-carbon grade, it has precise equivalents across all major international material standards:
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India (IS): 35C8 / C35 Mn
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USA (AISI / SAE / ASTM): 1035 / 1038
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Germany / Europe (DIN, EN): C35 (1.0501) / C35E (1.1181) / En8A
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United Kingdom (BS): 080M36
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Japan (JIS): S35C
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China (GB/T): 35 Steel
Mechanical Properties (Typical Heat-Treated State)
While frequently used in the as-rolled or normalized condition, 38C8/35C8 bars can be oil or water quenched and tempered to elevate their mechanical thresholds:
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Tensile Strength ($R_m$): $550 - 700text{ MPa}$
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Yield Strength ($R_e$): $ge 320text{ MPa}$
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Elongation ($A_5$): $ge 20%$
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Brinell Hardness (Annealed/Normalized): $170 - 210text{ HBW}$
Typical Applications
35C8 round bars are widely utilized in automotive, general engineering, and agricultural equipment manufacturing for light-to-medium stress components:
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Fasteners & Hardware: Grade 8.8 structural bolts, long studs, heavy-duty tie rods, and threaded anchors.
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Shafts & Axles: Lightly loaded transmission shafts, pump shafts, spindles, and steering arms.
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Machined Elements: Standard pins, keys, spacer rings, levers, and brackets.
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Forgings: Forged blanks, connecting arms, and hand tools requiring moderate structural stiffness.
Processing & Fabrication Notes
Machinability Advantage: Thanks to its balanced carbon structure, 35C8 offers excellent chip formation and low tool wear, making it a favorite for high-speed CNC turning, drilling, and milling operations.
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Heat Treatment: To increase surface durability, 35C8 responds exceptionally well to induction hardening or flame hardening, raising the wear-resistant surface shell to approximately $50 - 54text{ HRC}$ while maintaining a ductile core.
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Welding: It possesses fair weldability. Preheating to $150^circtext{C} - 200^circtext{C}$ is highly recommended for thick-walled sections (greater than 20mm) to minimize local thermal stresses and prevent hydrogen cracking in the heat-affected zone.
High-Performance Steel for Versatile Applications
The 35C8 alloy steel round bars, rods, and bars are engineered to deliver reliable strength and adaptability for a wide array of industrial uses. Favored for their corrosion resistance, solid round section, and customizable dimensions, these products are suited for both structural and precision engineering projects. Their annealed form ensures better machinability, making them ideal for fabricators and manufacturers.
Quality Manufacturing and Finishing Options
Each 35C8 bar or rod undergoes advanced processing methods such as peeling, turning, and grinding, resulting in a refined, smooth surface with consistent dimensions. With strict adherence to quality control, Indian suppliers guarantee performance and longevity, providing both standard and tailored solutions to meet client specifications.
FAQ's of Alloy Steel 35C8 Round Bar 35C8 Bars 35C8 Rods:
Q: How are Alloy Steel 35C8 Round Bars and Rods typically manufactured?
A: The bars and rods are produced using precision methods such as peeling, turning, and grinding to ensure a smooth, defect-free surface. These processes enhance the dimensional accuracy and finish, preparing the steel for various engineering and structural uses.Q: What are the primary applications of 35C8 Round Bars and Rods?
A: These components are widely used in engineering, construction, manufacturing, and automotive sectors due to their solid structure, corrosion resistance, and balanced mechanical properties. They are ideal for shafts, fasteners, and machined parts that require both strength and ductility.Q: When should I opt for customized 35C8 steel products?
A: Customized 35C8 bars and rods are recommended when specific dimensions, mechanical properties, or surface finishes are required to suit unique project specifications. Suppliers in India offer tailored solutions to ensure optimal fit and performance in specialized applications.Q: Where can I purchase Alloy Steel 35C8 Round Bars and Rods in India?
A: These products are widely available throughout India via various dealers, exporters, manufacturers, retailers, suppliers, fabricators, and traders, many of whom provide both standard and customized orders to accommodate diverse industry needs.Q: What benefits does the corrosion-resistant surface of 35C8 steel provide?
A: The corrosion-resistant property of 35C8 steel prolongs the lifespan of the rods and bars by preventing surface degradation in harsh environments, reducing maintenance costs and enhancing reliability in critical applications.Q: Can you explain the process of ensuring the quality finish of 35C8 Bars and Rods?
A: Quality finish is achieved through processes such as peeling, turning, and grinding. These operations remove surface imperfections, deliver a precise roundness, and result in smooth, consistent surfaces that comply with stringent industrial standards.Q: How does the annealed hardness and mechanical strength of 35C8 steel impact its usage?
A: With an annealed hardness of 140-180 HBW and yield strength of 250-300 MPa, 35C8 steel offers a balanced combination of machinability and durability. This makes it suitable for parts that require moderate strength while retaining good workability for machining and forming processes.Tell us about your requirement
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