Spring Steel Round Threaded Bars

Name: Spring Steel Round Threaded Bars
Brand: JAYANT IMPEX
Price: 61.0 INR
Availability: InStock

61.0 INR/Kilograms

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Product Details:

Material Spring Steel
Finish Polished, Black, Zinc Coated
Standard ASTM, DIN, JIS, IS
Tolerance h9, h10, h11 (as per standards)
Diameter 6mm to 60mm
Type Round Threaded Bar
Technique Hot Rolled / Cold Drawn
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Spring Steel Round Threaded Bars Price And Quantity

Minimum Order Quantity 10 Kilograms
Price 61.0 INR/Kilograms

Spring Steel Round Threaded Bars Product Specifications

Specific Use Load Distribution, Clamping, Suspension Systems
Processing Annealed, Tempered
Technique Hot Rolled / Cold Drawn
Type Round Threaded Bar
Tolerance h9, h10, h11 (as per standards)
Diameter 6mm to 60mm
Finish Polished, Black, Zinc Coated
Standard ASTM, DIN, JIS, IS
Material Spring Steel
Grade EN47, EN45, 65Mn, 50CrV4, IS 5162
Length 1 to 6 Meter (Customizable)
Application Industrial, Construction, Automobile, Engineering Applications

Thread Type Metric & Imperial Available
Corrosion Resistance Available with Coating Options
Thread Pitch Coarse and Fine Pitch
Packaging Wooden Case / Bundle / Custom Packing
Surface Hardness 40-55 HRC
Machinability Good (Depends on Alloy and Hardness)
Delivery Condition As Rolled, Heat Treated, or as per Customer Requirement
Ultimate Tensile Strength 650 - 950 MPa
Yield Strength Minimum 520 MPa
Heat Treatment Quenched & Tempered

Product Description

Spring steel round threaded bars (also referred to as threaded rods, studs, or all-thread bars) are specialized high-tensile fasteners designed for demanding engineering, construction, and heavy machinery projects.

Unlike standard mild steel rods, spring steel features a unique metallurgical compositiontypically a high-carbon, high-chromium alloy (such as EN48 or equivalent grades). This specific chemistry grants the material exceptional yield strength and elasticity, allowing the threaded bars to withstand continuous tension, heavy fatigue loads, and repeated bending or twisting without snapping or suffering permanent deformation.

Critical Metallurgical Conditions

Because spring steel derives its mechanical advantages from precise heat treatment, round threaded bars are generally supplied in one of two major processing states depending on your manufacturing requirements:

Annealed / Spheroidized Annealed: The material is softened to reduce internal stress. This condition is ideal if you plan to perform extensive automated machining, cutting, or further thread rolling on your components, after which they must be heat-treated to gain their spring-like properties.
Quenched & Tempered (Hardened): The bar is already heat-treated to its final high-tensile state. It delivers maximum load-bearing capacity and fatigue resistance immediately, which is perfect for direct field installations where further machining isnt required.

Common Industrial Applications

Due to their extreme durability and high tensile performance, these components are widely used across the following sectors:

Heavy Infrastructure & Engineering: Used as structural tie-rods, bridge anchoring pins, and heavy-duty concrete reinforcing couplers.
Automotive & Suspension Systems: Ideal for fabricating customized damper spring assemblies, heavy stabilizer link rods, and industrial vehicle chassis mounts.
High-Vibration Machinery: Highly preferred for machine tools, oilfield machinery, and marine structural mountings where standard fasteners are prone to vibration-induced fatigue failure.

Selection and Procurement Guide

When sourcing spring steel round threaded bars, several core dimensions and finishing options should be specified to match your exact application parameters:

Dimensions & Sizes: Standard diameters range from 3 mm up to 100 mm (with industrial heavy-duty blocks scaling up to 600 mm). They are typically stocked in standard lengths of 1 meter, 3 meters, or 6 meters.
Thread Pitch: Available in standard coarse metric profiles for rapid assembly, or fine pitch threading for environments prone to intense, high-frequency vibrations.
Surface Finish: Supplied in black finish (scale left from hot rolling/heat treating), bright/peeled, or precision polished finishes depending on structural or aesthetic demands.

Alternative Material Comparison

If your operating environment presents high moisture or chemical exposure, standard high-carbon spring steel may require advanced plating or coatings to prevent rust. For applications requiring baseline corrosion defense alongside clean thread integration, standard high-grade options like the Allthread Threaded Rod - M6 304 Stainless Steel provide excellent general-purpose atmospheric resistance. For component manufacturing assemblies needing pre-packaged kit hardware, multi-packs like the uxcell 304 Stainless Steel Fully Threaded Rod Bar Studs (5 Pcs) ensure identical dimensional tolerances across structural mountings.

Versatile Applications Across Industries

Spring Steel Round Threaded Bars are widely used in industrial, automotive, construction, and engineering sectors due to their superior strength and flexibility. The bars support critical functions such as load distribution, clamping, and suspension systems. Their robust build and customizable dimensions make them adaptable for a variety of structural and mechanical needs, ensuring both reliability and efficiency.

Tailored to Meet Varied Requirements

Offered with both metric and imperial threading, coarse or fine pitch, and accurate tolerances (h9, h10, h11), these bars ensure seamless integration into numerous setups. Finishing options include polished, black, or zinc-coated surfaces, while heat treatment processes such as quenching and tempering enhance durability. Clients can specify length, diameter, grade, and delivery condition according to project demands.

Exceptional Mechanical and Corrosion Resistance

Manufactured from grades like EN47 and 65Mn, these spring steel bars exhibit high yield and tensile strength, supporting demanding applications. Corrosion-resistant coating options help extend product lifespan, especially in challenging environments. Precision manufacturing and rigorous adherence to international standards guarantee dependable performance under stress and varying environmental conditions.

FAQ's of Spring Steel Round Threaded Bars:

Q: How are Spring Steel Round Threaded Bars typically used in industrial or construction settings?

A: These bars are utilized for load distribution, clamping, and suspension systems in industrial, construction, engineering, and automotive sectors due to their high strength, toughness, and ability to withstand repeated stress.

Q: What customization options are available for thread type and pitch?

A: Customers can choose between metric or imperial threading, with coarse or fine pitch options available, allowing for flexibility and compatibility with different assembly requirements.

Q: When should I select a particular surface finish or coating option?

A: Selecting a finish such as polished, black, or zinc-coated depends on environmental conditions and corrosion resistance needs; zinc coatings are ideal for humid or corrosive environments to prolong service life.

Q: Where are these threaded bars manufactured and supplied from?

A: These spring steel bars are produced, fabricated, and exported by reputable dealers, manufacturers, and suppliers based in India, serving both domestic and international markets.

Q: What is the process involved in ensuring specified mechanical properties?

A: Bars are hot rolled or cold drawn, then heat-treated via quenching and tempering to achieve the required surface hardness (40-55 HRC), yield strength (minimum 520 MPa), and ultimate tensile strength (650-950 MPa).

Q: How does the machinability of these bars vary?

A: Machinability is generally good, depending on the specific alloy and its hardness; the tempered and annealed conditions can further optimize the ease of machining for desired applications.

Q: What are the key benefits of using spring steel round threaded bars?

A: Key benefits include high tensile strength, superior elasticity, customizable options for size and finish, resistance to wear and corrosion, and compliance with international standards (ASTM, DIN, JIS, IS), ensuring reliable performance in demanding applications.

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