The First Criterion is the Material used. The quality of Steel used determines the Strength and Durability of the Rod. The Second Criterion is the Size and Shape of the Rod. The Size and Shape should be determined based on the intended use of the Rod. The Third Criterion is the Surface Finish. The Surface Finish should be Smooth and Uniform to prevent any damage to Surfaces that come in contact with it. The Fourth Criterion is the Corrosion Resistance. Steel Rods are Susceptible to Corrosion so it’s essential to design them with Corrosion-Resistant Coatings or Materials.
The Last Criterion is the Manufacturing Process. The Manufacturing Process should be designed to ensure Consistency and Quality for the Final Product. To achieve the best design of Steel Rods it’s important to consider the intended use Quality of Material, Corrosion Resistance and Surface Finish. An example of a good design of a Steel Rod is one that is made of High-Grade Steel is Precisely Machined to the required Size and Shape has a Uniform Surface Finish and has a Corrosion-Resistant Coating. Additionally, the design should consider the Manufacturing Process to ensure that the Rod is consistently produced with High Quality.
Stainless Steel:
-Stainless Steel Bars & Rods are a common Raw Material used in Construction and Finishing Work. They are widely used across all manner of Industries and Applications. Some common applications are Architectural Design, Marine Equipment, Oil/Gas Pipelines, Automotive Components, etc.
-Stainless Steel Bars & Rods have a number of valuable characteristics, the most prominent being corrosion resistance. These Bars & Rods are available in different shapes and formats in the market which includes Round, Flat, Square and Hexagonal.
-Stainless Steel Bars & Rods can be supplied in Black, Peeled, Bright, Polished and Ground Finishes. Among all Stainless Steel polished are the most popular.
It is quite easy to distinguish Bright Finish from Black Finish, but it is hard to differentiate between Ground Finish and Polished Finish.
SIZE RANGE | 6 MM – 500 MM | |
Length | 1 meter up to 8 meters (up to 26 feet) | |
Heat Treatment | Annealed, Solution Annealed, Quenched & Tempered (QT), Hardened & Tempered (HT), Quenched & Double Tempered (QDT) | |
Straightness | 0.25mm per meter max (0.0015” per feet) | |
Ultrasonic Test | 100% tested through Digital Ultrasonic Flaw Detector | |
Length Tolerance | Available in special cut to length bars in tolerance – 0/+10mm (-0 +0.5 inch) | |
Grades | 303, 304L, 310S, 316L, 316Ti, 321, 403, 410, 416, 420, 430F, Duplex F51 (2205), Super Duplex 32750 |
Mild Steel:
Mild steel (MS Round, Flat, Square and Hexagonal are Low-Carbon (0.05% to 0.25%), highly Ductile and Weldable Solid Metal Rods used extensively in Construction and Manufacturing. Common sizes range from 6mm to 300mm+ in Diameter typically available in 1–12 Meter Lengths. They offer high strength at a cost-effective price suitable for Shafts, Fasteners and Structural applications.
Key Properties & Technical Details:
- Composition:Low Carbon content (0.05% – 0.25%) making them Flexible and Easy to form.
- Strength:Tensile Strength of 400−550MPa with Yield Strength of 250−350MPa.
- Surface Finish:Available in Hot-Rolled (Rough, Blue-Grey) or Bright-Drawn (Smooth) Finishes.
- Standards:Often Manufactured to ASTM A36, AISI or IS 2062 Standards.
Common Sizes and Weights:
- Diameters:From 6mm to 305mm+ Diameter.
- Weight:Ranging from 0.22kg/m (6mm Diameter) to over 573kg/m (305mm Diameter).
- Lengths:Standard Lengths are usually 6meters though Shorter/Longer Lengths are available.
Typical Applications:
- Construction:Reinforcement for Concrete Structures, Beams and Columns.
- Manufacturing:Machining into Fasteners, Shafts, Gears and Bolts.
- Fabrication:Structural Steelwork, Railings and Heavy-Duty Fabrication.
- Agriculture:Tools and Machinery Parts.
Advantages:
- Easy to Weld & Machine:Low Carbon content makes it suitable for Welding.
- Cost-Effective:Economical choice for Fabrication compared to Alloy Steels.
- Versatility:Highly Ductile and easy to Cold-Form.
Carbon Steel:
Carbon Steel Bars with 0.05% to 2.0% Carbon are Versatile Cylindrical Metal Rods essential for Machinery, Automotive and Construction Industries. Known for High Tensile Strength, Durability and Cost-Effectiveness these Bars come in various Finishes (Hot Rolled, Cold Drawn and Forged) and Grades (e.g., C45, EN8D) to fit specific Structural or Mechanical needs.
Key Details of Carbon Steel Round Bars:
- Manufacturing Processes:
- Hot Rolled (HR):Processed at high temperatures usually with a Dark, Scaled Finish suitable for Structural Applications.
- Cold Drawn (CD)/Bright Bar:Drawn at Room Temperature for Tighter Tolerances, Better Finish and Higher Strength.
- Common Grades:
- Low Carbon (Mild Steel):Examples include C20, ASTM A36 known for good Weldability and Ductility.
- Medium Carbon:Examples include C45, 1045, EN8 good balance of Strength and Machinability.
- High Carbon:Examples include 65#, 75#, 4140 used for High Wear Resistance.
- Dimensions & Size Range:
- Diameters:Ranging from 3 mm to 50.8 mm (and much higher).
- Lengths:Commonly supplied in 6-meter lengths or cut to size.
- Tolerance:Precise tolerances up to 0.05 mm are achievable.
- Surface Finishes:Black (As-Rolled), Bright, Polished or Zinc/Powder Coated for Corrosion Resistance.
- Applications:
- Machinery:Shafts, Gears, Spacers and Pins.
- Construction:Reinforcement, Structural Steel and Infrastructure Components.
- Fasteners:Bolts, Threaded Rods and Tie Rods.
- Common Heat Treatments:
- Annealing:To soften the Steel for better Machining.
- Normalizing:To refine the Grain Structure.
- Quenching & Tempering:To increase Hardness and Strength.
Alloy Steel:
Alloy Steel Bars are High-Strength, Durable Cylindrical Metal stocks alloyed with elements like Manganese, Chromium, Nickel or Vanadium to enhance Wear Resistance and Toughness. They are commonly used in Machinery, Automotive, Aerospace and Construction with popular grades like AISI 4140, 4340 and EN19 offering High Tensile Strength typically 850–1000 MPa through Heat Treatment.
Key Details and Specifications:
- Dimensions:Diameters typically range from 5mm to 500mm with lengths from 1 to 6meters often available in custom-cut lengths.
- Common Grades:ASTM A182/A350 (F1, F5, F11, F22, F91), AISI/SAE 4130, 4140, 4340, 8620, and EN series (EN19, EN24, EN31).
- Finishes:Available as Hot-Rolled, Bright, Cold-Drawn or Peeled/Ground.
- Manufacturing Process:Produced via Hot Forging or Rolling from Ingots/Billets often followed by Heat Treatments like Quenching and Tempering, Annealing or Normalizing.
- Key Features:Superior Mechanical Properties high fatigue strength excellent Wear Resistance and High Hardenability.
- Applications:Frequently utilized to make Gears, Shafts, Bolts, Fasteners, Tools and Heavy-Duty Machinery Components.
Copper:
Copper Bars are High-Purity (often 99.9 %) Copper products available in various Shapes—Rectangular (Busbars), Round, Square and Hexagonal. They are valued for exceptional Electrical Conductivity, Corrosion Resistance and Malleability commonly used in Electrical, Industrial and Investment Sectors. Common Sizes range from 1 kg, 10 cm Ingots to 4m long Rods with Thicknesses often 12-20mm and Widths 3-4 inches.
Key Details for Copper Bars
- Purity & Grade:Usually 99.9% fine Copper suitable for Electrical applications and Investment.
- Common Shapes:Rectangular (Flat Bars), Round, Square and Hexagonal shapes.
- Dimensions:Available in various Sizes—Thicknesses typically range from 2mm to 24mm while Widths can range from 10mm to 240mm.
- Applications:Essential for Electrical Switchgear, Transformers, Panel Boards, Busducts, Grounding, Renewable Energy and Jewellery Casting.
- Physical Properties:Excellent Thermal/Electrical conductivity, Corrosion Resistance, High Tensile Strength and Durability.
Common Specifications
- Grade:C101 (High Conductivity) or Similar.
- Hardness:Typically 85-115 HV.
- Length:Standard Lengths for Bars (e.g., 4m) or cut to Size.
Investment Information
- Pricing:Based on the fluctuating market price of copper.
Usage Tips
- Storage:Keep in a Dry, Low-Humidity Environment to reduce Oxidation.
- Handling:Use Gloves to prevent Oils from staining the Metal.
Brass:
Brass Bars are Copper-Zinc Alloys commonly featuring High Corrosion Resistance, Excellent Machinability and typically, 8.73 g/cm³ Density. They are available in various forms (Round, Square, Hex, Rectangle) and Grades (such as C36000 Free-Cutting Brass) commonly used for Architectural Components, Industrial Parts and Marine Applications.
Key Details of Brass Bars:
- Common Alloys:Copper-Zinc-Lead (e.g., C36000, CZ121) for high machinability.
- Dimensions:Diameters range from 3/32 to 6 Inches with lengths up to 12 Feet (approx. 3.6 Meters).
- Forms:Round, Hexagonal, Square, Rectangular, and Hollow.
- Properties:High Wear Resistance good Ductility and Antimicrobial properties.
- Manufacturing Process:Hot or Cold-Rolled, Forged and Polished.
- Applications:Fasteners, Gears, Valves, Decorative Fixtures and Electrical Components.
Common Standards & Specifications:
- ASTM/ASME:ASTM B62, SB62, ASTM B16.
- Melting Point:900°C – 940°C.
- Surface Finish:Polished, Rough Turned or Cold Drawn.
Commonly Available Sizes:
- Round:3 mm to 800 mm Diameter.
- Square/Hex:Various including 1/4″ to 2½ Inches.
Aluminium:
Aluminium Bars are Lightweight, Corrosion-Resistant and Durable Metal profiles available in Flat, Square, Round and Hex shapes commonly utilized in Structural, Architectural and Electrical Applications. Primary alloys include 6061 (Structural/Versatile), 6063 (Architectural) and 5052 (Marine/Corrosion Resistance) usually available in T6 or T4 tempers.
Key Features and Specifications:
- Shapes:Flat Bar, Round Rod, Square Bar, Hexagonal Bar and Custom Profiles.
- Common Alloys:6061 (Good Strength/Corrosion Resistance), 6063 (Architectural), 5052 (High-Strength, Welding).
- Common Temper:T6 (Solutionized and Artificially aged for high strength).
- Finishes:Mill Finish, Anodized, Polished or Rough Turned.
- Dimensions:Available in Lengths with Diameters commonly from 0.1mm to100mm or more.
Common Applications:
- Structural & Construction:Support Structures, Frameworks, Roofs, Curtain walls and Staircases.
- Manufacturing:Fasteners, Couplings and Machinery Components.
- Electrical:Heat Sinks for Components Power Transmission Lines.
- Transport:Conveyors and Heavy-Duty Equipment.
Key Advantages:
- High Strength-to-Weight Ratio:Offers exceptional durability while remaining lightweight.
- Corrosion Resistance:Highly resistant to weather making it suitable for outdoor use.
- Recyclability:Can be recycled infinitely without losing properties.
- Easy Fabrication:Highly machinable, easy to cut, drill, weld and bend.
Key Standards:
- ASTM B221 (Extruded Rods/Bars)
- ASTM B211 (Rolled or Cold Finished)
Titanium:
Titanium Bars are High-Strength Low-Density Metal Rods available in pure (Grades 1-4) or Alloyed (Grade 5/Ti-6Al-4V, Grade 23) forms, primarily used in Aerospace, Medical Implants and Industrial Applications. They offer Superior Corrosion Resistance, High Tensile Strength and Excellent Fatigue Resistance usually adhering to ASTM/AMS Standards.
Key Details of Titanium Bars:
- Grade 1-2 (Commercially Pure): High Corrosion Resistance and Formability ideal for Chemical Processing.
- Grade 5 (Ti-6Al-4V): The most popular Alloy offering High Strength used in Aerospace and High-Performance Components.
- Grade 23 (Ti-6Al-4V ELI): Extra-Low Interstitial Version for Medical Implants.
- Physical Properties:Density ≈ 4.51g/cm3 (approx. 60% of Steel) with exceptional strength-to-weight ratio, Non-Magnetic and Heat Resistant to 400-500°C.
- Dimensions: Available in Diameters from 0.125″ up to 12″ (3 mm to 800mm) and Lengths from 1 to 6 Meters.
- Shapes & Forms: Available as Round Bars, Flat Bars, Square Bars, Hexagonal Bars and Hollow Bars.
- Surface Condition: Annealed, Cold-Worked, Centerless Ground, Polished or Black/Rough Turned.
- Standards: Certified to ASTM B348, AMS 4928 or ISO 5832 for specialized Industries.
Common Applications:
- Aerospace: Aircraft Fasteners, Engine Parts and Structural Components.
- Medical: Surgical Instruments, Orthopaedic Implants and Dental Components.
- Industrial: Chemical Processing Equipment, Marine Applications and Fasteners.
Hastelloy:
Hastelloy Bars are high-performance Nickel-Molybdenum-Chromium Alloy Rods (e.g., C276, C22 and B2) renowned for exceptional Corrosion Resistance in Harsh, Acidic and High-Temperature Environments. Available in ASTM B574/B335 specs, they are commonly used in Chemical Processing, Petrochemical and Power Generation Industries.
Key Details of Hastelloy Bars (C276/C22/B2):
- Grades:Primarily Hastelloy C-276, C-22 and B-2.
- Size Range:3mm to 800mm Diameter for Round Bars with custom Lengths typically 1-6 Meters.
- Shapes:Round, Hex (A/F), Flat, Square, Hollow and Rods.
- Mechanical Properties (C276):Yield Strength 283–355 MPa (min), Tensile Strength ~790 MPa (min) and Density 8.89 g/cm³.
- Corrosion Resistance:Excellent against Pitting, Stress Corrosion Cracking and Harsh Chemical Environments (e.g., Wet Chlorine, Sulphur Compounds).
- Applications:Chemical processing Pollution Control (Scrubbers), Pulp and Paper Production and Oil/Gas Handling.
- Fabrication:Often used in as-Welded Conditions due to Low Carbon content usually not Hardened by Heat Treatment.
- Finishes:Black, Bright Polished, Rough Turning and Matt finish.
Monel:
Monel Bars primarily composed of Nickel (approx 63% Min) and Copper (approx 28-34%) is High-Strength, Corrosion-Resistant Alloy Rods used in severe environments like Marine Engineering and Chemical Processing. Commonly found as Monel 400 (UNS N04400) they offer excellent resistance to Hydrofluoric Acid, Seawater and Steam.
Key Details of Monel Bars (Grade 400/UNS N04400):
- Forms & Shapes:Available as Round, Hex, Square and Flat Bars often Forged, Rolled or Cold-Drawn.
- Specifications: Commonly Manufactured under Standards like ASTM B164, ASME SB164.
- Sizes: Diameters range from 0.1mm up to 100mm (or Larger) with Lengths ranging from 100mm to 3000mm.
- Surface Finishes: Black, Bright (Cold-Drawn), Polished and Rough Turned.
- Mechanical Properties:Tensile Strength typically 517–620MPa (Annealed), Yield Strength 172–345MPa (Annealed) with High Ductility.
- Key Characteristics:Non-Magnetic to Slightly Magnetic (Curie point 21–49°C) High Thermal Conductivity and easy to Machine.
- Applications: Marine Fixtures, Pump/Propeller Shafts, Chemical Processing Equipment and Freshwater Tanks.
Commonly Used Grades:
- Monel 400 (UNS N04400): General Corrosion Resistance excellent for Salt Water.
- Monel K-500(UNS N05500): Age-Hardened version offering Higher Strength and Hardness.
Surface & Processing:
Monel Bars are typically produced through Hot Rolling or Cold Drawing for Increased Strength with Finishes such as Bright bar or Pickled.
Nickel:
Nickel Alloy Bars are Highly Corrosion-Resistant, Durable and Capable of withstanding extreme temperatures and high-pressure environments. Primarily used in Aerospace, Oil & Gas and Chemical Processing Industries they are often available as Nickel 200 or Specialized Alloys. Common shapes include Round, Hex and Flat Rods with Bright or Black Finishes.
Key Details of Nickel Alloy Bars:
- Properties: Exceptional Resistance to Caustic Alkalies, Seawater and Corrosion. High Durability, Tensile Strength and Creep Resistance.
- Common Grades:Nickel 200 (UNS N02200), Nickel 201, Monel 400/405 and Nickel-Copper/Chromium Alloys.
- Applications:Marine Equipment, Chemical Processing, Nuclear Components and High-Temperature Aerospace Fasteners.
- Sizes:Diameters typically range from 15NB to 150NB with lengths ranging from 100 mm to 3000 mm or more.
- Forms:Round Bars, Square Bars, Hex (A/F) Bars, Flat Bars and Rectangular Bars.