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    sales@tubotechalloys.com
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    +91 9769961320
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    Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004

Carbon Steel Fasteners

Introduction

When your undertaking demands sturdy overall performance, reliable electricity, and price-effective solutions, Carbon Steel fasteners from Tubotech stand out as the precise preference. Carbon metallic offers a perfect balance of tensile energy and ductility, making it suitable for an extensive variety of commercial, creation, and car programs. We integrate top rate uncooked substances with precision manufacturing to deliver Carbon Steel fasteners that meet international requirements and hold your assemblies steady below even the toughest conditions.

Specifications of Carbon Steel Fasteners

Property Specification
Material Grade Carbon Steel Grade 4.6, 8.8, 10.9 (ISO 898-1), ASTM A307, A325, A490
Standards ISO 898-1, ASTM A307/A325/A490, DIN 931/933, BS 3692
Size Range M3 to M64 (Metric) / 1/8″ to 2″ (Imperial)
Length 6 mm to 300 mm / ¼″ to 12″
Thread Type Metric (M), UNC, UNF, BSW, BSP
Head Styles Hex Head, Socket Cap, Countersunk, Button Head, Flanged Head
Surface Finish Plain / Black Oxide / Zinc Plated / Hot-Dip Galvanized
Hardness 280–360 HV (varies by grade)
Tensile Strength 400–1040 MPa (varies by grade)
Certifications EN 10204 3.1, ISO 9001, RoHS

Chemical Composition of Carbon Steel Fasteners

Carbon Steel Fasteners derive their mechanical toughness from carbon content and trace alloying elements:

Element Grade 4.6 Grade 8.8 Grade 10.9
Carbon (C) 0.08–0.18% 0.24–0.32% 0.32–0.39%
Manganese (Mn) 0.30–0.60% 0.30–0.60% 0.30–0.60%
Phosphorus (P) ≤ 0.045% ≤ 0.045% ≤ 0.045%
Sulfur (S) ≤ 0.045% ≤ 0.045% ≤ 0.045%
Silicon (Si) ≤ 0.40% ≤ 0.40% ≤ 0.40%
Iron (Fe) Balance Balance Balance

Mechanical Properties of Carbon Steel Fasteners

Property Grade 4.6 Grade 8.8 Grade 10.9
Tensile Strength (MPa) 400–500 800–900 1,000–1,100
Yield Strength (MPa) 240 640 940
Elongation (%) ≥ 14% ≥ 12% ≥ 10%
Hardness (HV) 280–320 300–360 340–400
Impact Toughness (J) ≥ 27 (Charpy V-notch) ≥ 27 (Charpy V-notch) ≥ 20 (Charpy V-notch)

Pathan Durgadevi Udyan, Ground Floor, 25 Plot No 74/80, Patra Chawl, Maruti , Mandir Marg, Second Street, Girgaon, Mumbai, Maharashtra 400004

These fittings are crucial in ensuring smooth, dependable, and ordinary fluid and gas waft at some stage in various high-stakes programs.

Types of Carbon Steel Fasteners

Tubotech gives a complete selection of Carbon Steel Fasteners to fit diverse engineering needs:

  • Hex Bolts and Hex Cap Screws – Standard assembly bolts for equipment and structures.
  • Socket Head Cap Screws – High-precision, recessed-power fasteners for restrained spaces.
  • Countersunk and Flat Head Screws – Flush installations in sheet metal and furniture.
  • Machine Screws and Thread-Forming Screws – For tapping and pre-tapped holes.
  • Nuts (Hex, Flange, Lock, Wing) – Secure counterparts to bolts and screws.
  • Washers (Flat, Spring, Lock) – Distribute load and prevent loosening.
  • Stud Bolts and Threaded Rods – Custom lengths for flange and structural applications.
  • U-Bolts and Eye Bolts – Supporting pipes, conduits, and lifting rigs.
  • Anchor Bolts and Concrete Screws – Fixed installations in concrete and masonry.
  • Custom head styles, drive kinds, and finishes are to be had upon request for particular challenge necessities.

Available Sizes 

Our Carbon Steel Fasteners cowl an extensive size variety:

  • Metric Diameters: M3 to M64
  • Imperial Diameters: 1/8″ to two″
  • Lengths: 6 mm to three hundred mm (Metric) / ¼″ to 12″ (Imperial)
  • Thread Pitches: Coarse

Weight Chart for Carbon Steel Fasteners

Fastener Size Weight per Piece
Hex Bolt M8 × 30 mm 5.0 g
Socket Cap Screw M10 × 50 mm 14.0 g
Machine Screw M6 × 20 mm 3.5 g
Hex Nut M12 7.0 g
Flat Washer M16 2.5 g
Stud Bolt M20 × 100 mm 75.0 g

Weights are approximate and vary by head style and finish.

Industrial Applications

Carbon Steel Fasteners are the spine of endless industries due to their versatility and energy:

  • Construction and Infrastructure: Structural beams, bridges, building frameworks.
  • Automotive and Transport: Engine assemblies, chassis additives, suspension systems.
  • Machinery and Equipment: Heavy-obligation machinery, commercial conveyors, agricultural devices.
  • Oil and Gas: Rigging, pipelines, stress vessels (with right coatings).
  • Energy and Power: Wind generators, solar mounts, energy transmission towers.
  • Rail and Shipbuilding: Track assemblies, marine hardware, deck fittings.
  • General Manufacturing: Fabrication, furniture, and fast-flow production traces.
  • DIY and Home Improvement: Furniture, appliances, fencing, and interest projects.

Why Choose Tubotech?

Selecting Tubotech for your Carbon Steel Fasteners manner partnering with an industry leader devoted to quality, service, and innovation:

  • Premium Material Sourcing

    – We procure licensed carbon steel grades from pinnacle international mills.

  • Precision Manufacturing

    – State-of-the-art CNC machining, bloodless heading, and warmth treatment ensure tight tolerances and superior mechanical houses.

  • Comprehensive Range

    – From standard hex bolts to strong point anchor screws, we inventory over 10,000 SKUs and offer custom solutions.

  • Stringent Quality Control

    – Each batch undergoes cloth tests (chemical, mechanical) and dimensional tests per ASTM, ISO, and DIN standards.

  • Competitive Pricing

    – Streamlined tactics and economies of scale provide you with the great price without compromising first-class.

  • Fast Delivery and Global Reach

    – Robust logistics network guarantees well timed shipments across India and worldwide.

  • Technical Expertise and Support

    – Our engineering team assists with cloth selection, torque specs, and set up pleasant practices.

  • Eco-Friendly Practices

    – Environmentally accountable production, minimum waste, and recyclable packaging materials.

Secure your assemblies with Tubotech’s dependable, high-performance Carbon Steel Fasteners.

Contact us today for costs, technical consultations, or to request custom fastener answers!

Get in Touch

Upgrade your assembly with Tubotech Carbon Steel Fasteners – engineered for excellence and built to closing. Contact us nowadays to get a quote or examine more about our product range.