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Half Round Tube Shield
Half Round Tube Shields by Ladhani Metal Corporation are precision-engineered components designed to protect the outer surfaces of boiler tubes, heat exchangers, and industrial piping systems from erosion, scale formation, and thermal fatigue. These shields play a crucial role in minimizing tube failure and improving overall equipment reliability in high-temperature and particulate-laden environments.
SS 430 Half Round Tube Shield
The SS 430 Half Round Tube Shield is a semi-cylindrical cladding made from ferritic stainless steel grade 430. With good corrosion resistance, excellent oxidation resistance, and superior thermal conductivity, SS 430 is well suited for non-pressurized or moderately corrosive environments. It is particularly effective in flue gas paths and air preheaters where thermal stress and ash erosion can degrade exposed tubes. The half-round geometry ensures easy, secure installation and a consistent protective barrier around the tube's surface, enhancing durability without interfering with system function.
Chemical Composition of SS 430 – Ferritic Stainless Steel
• Carbon (C): ≤ 0.12%
• Manganese (Mn): ≤ 1.00%
• Phosphorus (P): ≤ 0.040%
• Sulfur (S): ≤ 0.030%
• Silicon (Si): ≤ 1.00%
• Chromium (Cr): 16.0 – 18.0%
• Nickel (Ni): ≤ 0.75%
• Iron (Fe): Balance
Uses
• Boiler Tube Surface Protection – Shields tubes in low to moderate temperature zones from flue gas corrosion, ash abrasion, and thermal scaling.
• Air Preheater Tubing – Guards against dust erosion in regenerative air preheaters and gas-to-air heat transfer zones.
• Economizer Tube Protection – Used in downstream sections of boilers where lower temperatures allow for effective use of ferritic steels.
• Steam Line Shields – Protects low-pressure steam tubing and condensate lines in systems not requiring austenitic stainless steel grades.
• Heat Exchanger Outer Shells – Provides an extra layer of protection in air-cooled or shell-side applications exposed to mechanical wear.
Features
• Good Oxidation Resistance – Performs reliably in oxidizing conditions up to 815°C, ideal for flue gas exposure and dry ash environments.
• Ferritic Structure – Offers better thermal conductivity and resistance to thermal expansion than austenitic grades, reducing distortion risk.
• Corrosion Resistance – Resists corrosion from atmospheric moisture, flue gas condensates, and other mildly aggressive compounds.
• Cost-Effective – Offers an economical alternative to higher alloy stainless steels in appropriate thermal zones.
• Precision Fit – Half-round design enables quick installation and conforms closely to tube diameters for optimal protection.
• Surface Finish Options – Supplied in bright annealed, pickled, or passivated finishes based on operational requirements.
• Custom Fabrication – Available in a range of wall thicknesses, diameters, and lengths to meet plant-specific installation demands.
Applications
• Thermal Power Stations – Shields economizer and air preheater tubes from dust-laden exhaust gas erosion and moderate thermal stress.
• Cement and Lime Kilns – Used to protect heat recovery and cooler tubes from dry ash abrasion in hot air ducts.
• Food Processing Boilers – Applied in steam systems requiring corrosion resistance and thermal control under hygienic conditions.
• HVAC and Utility Boilers – Installed in auxiliary boilers where conditions do not require high-alloy materials but demand durability.
• Pulp and Paper Mills – Protects lower furnace zone tubes and stack-side economizers from condensate corrosion and soot accumulation.
• Sugar and Distillery Plants – Guards process steam and heat recovery tubes from ash and scale in biomass and bagasse-fired units.
Conclusion
The SS 430 Half Round Tube Shield by Ladhani Metal Corporation is a durable, cost-efficient solution for protecting tubing systems in environments where moderate corrosion resistance, good oxidation behavior, and thermal stability are essential. It is best suited for dry, low to mid-temperature gas flow areas where the mechanical and thermal loads are not extreme. The ferritic stainless steel structure provides a favorable balance of performance and economy, particularly in large-scale power and process plants. With precision manufacturing, tailored dimensions, and reliable service, Ladhani Metal Corporation delivers proven tube protection technology trusted across multiple industries.
For custom orders, sizing assistance, or to request a technical quote, please contact Ladhani Metal Corporation.
Product Name: Titanium Bar
Standard: ASTM B348
Material: GR1, GR2, GR5, GR7, GR12
Shape: Round, Square, Flat, Hex
Diameter: 6-350mm
Length: Max 6000mm
Surface: Bright
Grade 4 titanium bar is stronger than grade 2 and 3. It can be cold formed, but is less ductile. It has excellent corrosion resistance in a variety of environments. Grade 4 titanium bars are commonly used in aerospace, industrial and medical applications where high strength is required.
Product Name: Titanium 6al4v plate
Standard: ASTM B265 , AMS 4911 , ASTM F136
Material: Gr5
Unit Price: $19.5usd/kg-$48usd/kg
Thickness: 0.3-100mm
Length: 500-6000mm Or As You Require
Width: 500-1000mm Or As You Require
Surface: Pickling, Polishing, Sand Blasting
Ti-6Al-4V alloy has become a trump alloy in titanium alloy industry because of its good heat resistance, strength, plasticity, toughness, formability, weldability, corrosion resistance and biocompatibility. The use of this alloy has accounted for 75% ~ 85% of all titanium alloys. Many other titanium alloys can be regarded as modifications of Ti-6Al-4V alloy.
Product name Grade 5 Titanium sheet
Material grade Gr5 /Ti-6Al4V
Certificate ISO9001:2008,TUV, material test certificate EN10204.3.1
Standard ASTM B265,ASME SB265,AMS4911,ASTM F136
Tehnique Hot/cold rolled
Surface Acid wash,polished
Dimensions Thickness:0.3-100mm
Width:20-1220mm
Length:500-6000mm
Titanium 6al4v plate
Chemical compositions(weight%,<=)
Ti
Al
V
Fe
C
Remainder
5.5-6.75
3.5-4.5
0.30
0.08
N
H
O
Other(total)
0.05
0.015
0.2
0.4
Physical properties(>=)
Σb
Tensile Strength
(Mpa)
σr0.2
Yield Strength
(Mpa)
δL0+50mm
Elongation
(%)
ψ
Reduction of area
(%)
895
830
8-12
18-30
Ladhani Metal Corporation offers SS 316 Boiler Half Round Tube Shields designed to protect straight boiler and heat exchanger tubes from corrosion, erosion, and high-temperature damage in aggressive service environments. Manufactured from austenitic stainless steel grade SS 316, these shields provide superior corrosion resistance, especially against chlorides and acidic flue gases. SS 316 is ideal for applications where moisture, chemical vapors, and thermal stress are present, including marine boilers, waste heat recovery systems, and chemical processing units.
Each shield is precision-formed into a half-round profile for a close and secure fit over the outer surface of boiler tubes. This design provides a robust barrier against soot blower impact, abrasive ash particles, and corrosive condensates. The mechanical protection offered by SS 316 shields significantly extends tube service life and reduces maintenance downtime. Ladhani Metal Corporation manufactures, supplies, and exports SS 316 Boiler Half Round Tube Shields in multiple diameters, lengths, and thicknesses to meet the exact specifications of domestic and international projects.
SS 316 Grade Chemical Composition – Austenitic Stainless Steel
• Carbon (C): ≤ 0.08%
• Manganese (Mn): ≤ 2.00%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.030%
• Silicon (Si): ≤ 1.00%
• Chromium (Cr): 16.0 – 18.0%
• Nickel (Ni): 10.0 – 14.0%
• Molybdenum (Mo): 2.0 – 3.0%
• Iron (Fe): Balance
Applications: Suitable for corrosive and high-moisture environments such as power plants, waste heat boilers, refineries, and process heaters.
Uses
• Protection of straight boiler tubes in moist or acidic gas streams
• Used in marine boilers and off-shore heating systems
• Shields against corrosion, scaling, and thermal erosion
• Installed in chemical and petrochemical flue gas lines
• Suitable for food, pharmaceutical, and pulp industry boilers
Features
• Excellent corrosion resistance – Especially effective against chlorides and chemicals
• High thermal stability – Performs under prolonged heat and steam exposure
• Durable and long-lasting – Reduces tube wear and replacement frequency
• Precision fit – Half-round shape conforms to tube curvature for full coverage
• Easy to install – Can be clamped, banded, or tack welded as needed
• Export quality – Manufactured to meet global boiler protection standards
Applications
• Power generation and utility boilers – For flue gas and steam tube protection
• Chemical and fertilizer industries – Withstands corrosive vapors and condensates
• Pulp and paper mills – Used in high-moisture heating environments
• Waste heat recovery systems – Effective in corrosive flue gas streams
Conclusion
The SS 316 Boiler Half Round Tube Shield from Ladhani Metal Corporation offers robust, corrosion-resistant protection for boiler tubes exposed to chemically aggressive and high-moisture conditions. With added molybdenum content for enhanced durability and precise half-round design, these shields are ideal for a wide range of industrial and marine boiler applications. For customized specifications, export orders, or technical assistance, contact Ladhani Metal Corporation.
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Ladhani Metal Corporation offers SS 310 Boiler Half Round Tube Shields designed to provide high-temperature and oxidation resistance for straight boiler tubes in extreme heat environments. Manufactured from austenitic stainless steel grade SS 310, these shields deliver excellent strength, thermal stability, and resistance to scaling at elevated temperatures, making them suitable for furnaces, power boilers, and heat recovery units where temperatures may exceed 1000°C. SS 310 is particularly effective in environments containing oxidizing gases and thermal cycling.
Each shield is precision-formed into a half-round profile to closely fit the outer surface of boiler tubes, ensuring effective mechanical protection against soot blower erosion, high-velocity gas flow, and abrasive ash particles. Ladhani Metal Corporation manufactures, supplies, and exports SS 310 Boiler Half Round Tube Shields in a variety of lengths, diameters, and thicknesses to meet the exact requirements of industrial, thermal, and power sector applications in both domestic and international markets.
SS 310 Grade Chemical Composition – Austenitic Stainless Steel
• Carbon (C): ≤ 0.25%
• Manganese (Mn): ≤ 2.00%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.030%
• Silicon (Si): ≤ 1.50%
• Chromium (Cr): 24.0 – 26.0%
• Nickel (Ni): 19.0 – 22.0%
• Iron (Fe): Balance
Applications: Ideal for use in high-temperature boilers, heat exchangers, and industrial heating systems exposed to oxidizing and carburizing atmospheres.
Uses
• Protection of straight boiler tubes in extreme temperature conditions
• Installed in radiant sections and furnace walls of high-heat boilers
• Guards against scaling and oxidation in flue gas zones
• Suitable for waste heat recovery systems and incinerators
• Used in chemical, steel, and cement plants where high thermal resistance is required
Features
• High-temperature resistance – Performs in continuous service above 1000°C
• Excellent oxidation resistance – Suitable for oxidizing and mildly reducing atmospheres
• Strong mechanical performance – Retains strength under elevated heat and stress
• Precise fit – Half-round geometry for full tube coverage and secure installation
• Multiple installation options – Can be clamped, banded, or tack welded
• Export quality – Manufactured to meet global standards for heat-resistant applications
Applications
• Power generation – Shields boiler tubes from oxidation in superheaters and economizers
• Chemical processing – Suitable for corrosive and high-temperature gas exposure
• Steel and metallurgical plants – Used in reheat furnaces and combustion zones
• Cement and incineration units – Withstands abrasive and oxidizing conditions
Conclusion
The SS 310 Boiler Half Round Tube Shield from Ladhani Metal Corporation provides long-lasting, high-temperature protection for straight boiler tubes operating in the most demanding thermal environments. With superior resistance to heat, scaling, and oxidation, these shields are a reliable solution for industrial boilers and heat systems worldwide. For custom sizing, export inquiries, or technical specifications, contact Ladhani Metal Corporation.
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Ladhani Metal Corporation manufactures high-strength SS 420 Outer Half Round 90 Degree Bend Tube Shields engineered to protect the outer arc of 90-degree bends and U-bend tubes in boilers, superheaters, reheaters, and heat exchangers. Made from martensitic stainless steel grade SS 420, these shields provide excellent resistance to wear, scaling, and moderate corrosion. With high hardness and superior mechanical durability, SS 420 shields are ideal for protecting high-stress bend sections exposed to fly ash erosion, abrasive particulate flow, and elevated temperatures.
The semi-cylindrical design is precisely formed to match the outer curvature of tube bends, delivering a close, secure fit that enhances thermal protection and structural integrity. These shields are widely used in industries requiring impact resistance and long-term durability in high-temperature service environments. Ladhani Metal Corporation is a reliable manufacturer, supplier, and exporter of SS 420 Outer Half Round 90 Degree Bend Tube Shields, offering custom-made options suited to specific plant and coil requirements.
SS 420 Grade Chemical Composition – Martensitic Stainless Steel
• Carbon (C): 0.15 – 0.40%
• Manganese (Mn): ≤ 1.00%
• Phosphorus (P): ≤ 0.040%
• Sulfur (S): ≤ 0.030%
• Silicon (Si): ≤ 1.00%
• Chromium (Cr): 12.0 – 14.0%
• Nickel (Ni): ≤ 0.75%
• Iron (Fe): Balance
Applications: Suitable for use in high-temperature, erosion-prone boiler environments, waste heat recovery units, and thermal process systems requiring high hardness and strength.
Uses
• Protection of outer U-bends and 90-degree curves in boilers and HRSGs
• Applied in waste heat sections of reformers and exhaust ducts
• Shields curved tube surfaces from mechanical impact and fly ash erosion
• Ideal for process units where scale and soot buildup are prevalent
Features
• High hardness – Provides excellent wear and erosion resistance
• Thermal endurance – Performs reliably under elevated temperatures
• Corrosion resistance – Withstands flue gas and mildly aggressive media
• Precision-engineered – Conforms to tube geometry for optimal fit
• Flexible mounting – Clamp-on, weld-on, or banding as per application
• Custom sizes – Offered in multiple lengths, bend radii, and thicknesses
Applications
• Thermal power plants – Shields high-wear tube bends in superheater and reheater sections
• Waste heat boilers – Protects curved sections in ash-rich environments
• Cement and pulp industries – Resists scale and gas flow damage
• Petrochemical plants – Used in high-temperature convection and process coils
Conclusion
The SS 420 Outer Half Round 90 Degree Bend Tube Shield by Ladhani Metal Corporation offers high-performance protection for curved tubes in demanding thermal and abrasive environments. With superior hardness, precise form, and corrosion resistance, it ensures longer service life and reduced maintenance in high-wear zones.
For custom sizing, material selection, or technical specifications, contact Ladhani Metal Corporation.
Ladhani Metal Corporation offers robust SS 410 Outer Half Round 90 Degree Bend Tube Shields designed to protect the outer curvature of 90-degree bends and U-bend tubes in boilers, heat exchangers, reheaters, and waste heat recovery systems. Manufactured from martensitic stainless steel grade SS 410, these shields provide excellent resistance to abrasion, scaling, and thermal fatigue, making them ideal for high-wear zones where mechanical durability is critical.
The semi-cylindrical shield conforms to the outer arc of curved tubes, forming a physical barrier that prevents fly ash erosion, gas flow impingement, and high-temperature wear. Widely used in power plants and industrial steam systems, these shields ensure longer tube life and reduce unplanned maintenance. Ladhani Metal Corporation is a trusted manufacturer, supplier, and exporter of SS 410 Outer Half Round 90 Degree Bend Tube Shields, offering custom-made solutions tailored to plant specifications and coil geometries.
SS 410 Grade Chemical Composition – Martensitic Stainless Steel
• Carbon (C): 0.08 – 0.15%
• Manganese (Mn): ≤ 1.00%
• Phosphorus (P): ≤ 0.040%
• Sulfur (S): ≤ 0.030%
• Silicon (Si): ≤ 1.00%
• Chromium (Cr): 11.5 – 13.5%
• Nickel (Ni): ≤ 0.75%
• Iron (Fe): Balance
Applications: Ideal for high-wear, moderately corrosive environments such as power boilers, WHRBs, HRSGs, and industrial heaters.
Uses
• Shielding 90-degree return bends in boilers and reheaters
• Protecting U-bend tubes in WHRBs and flue gas systems
• Guarding tube bends in waste heat sections of thermal processing units
• Applied in environments where erosion from ash or particulate flow is prevalent
Features
• Excellent wear resistance – Ideal for abrasive service conditions
• Thermal stability – Maintains strength and hardness at elevated temperatures
• Mechanical durability – Withstands impact, vibration, and cyclic stresses
• Accurate fit – Precision-shaped to match tube bend radius and diameter
• Installation flexibility – Can be clamped, welded, or banded securely
• Custom options – Available in various lengths, radii, and wall thicknesses
Applications
• Thermal power plants – Protects critical bend zones in high-ash areas
• WHRBs and HRSGs – Used in exhaust recovery systems exposed to soot and gas flow
• Petrochemical units – Applied in high-temperature reformers and heaters
• Cement and process industries – Guards curved tube surfaces from scale and erosion
Conclusion
The SS 410 Outer Half Round 90 Degree Bend Tube Shield by Ladhani Metal Corporation is a durable and cost-effective solution for protecting curved boiler and heat exchanger tubes in abrasive and thermal environments. With superior wear resistance and reliable mechanical strength, it extends service life and enhances equipment performance.
For custom sizing, material selection, or technical specifications, contact Ladhani Metal Corporation.
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Ladhani Metal Corporation offers high-performance SS 310S Outer Half Round 90 Degree Bend Tube Shields—engineered to protect the outer curvature of 90-degree bends and U-bend sections in boilers, superheaters, HRSGs, and heat exchangers. Made from austenitic stainless steel grade SS 310S, a low-carbon variant of SS 310, these shields deliver exceptional resistance to oxidation, sulfidation, and thermal scaling while minimizing the risk of sensitization during welding. They are the preferred choice in environments with elevated temperatures, fluctuating thermal loads, and corrosive flue gases.
Designed with a semi-cylindrical geometry, each shield conforms precisely to the external arc of curved tubes, forming a robust physical barrier against ash erosion, soot-blower impact, and high-velocity gas flow. Ladhani Metal Corporation, a trusted manufacturer, supplier, and exporter, provides fully customizable SS 310S tube shields to suit client-specific coil configurations and industrial standards.
SS 310S Grade Chemical Composition – Austenitic Stainless Steel
• Carbon (C): ≤ 0.08%
• Manganese (Mn): ≤ 2.00%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.030%
• Silicon (Si): ≤ 1.50%
• Chromium (Cr): 24.0 – 26.0%
• Nickel (Ni): 19.0 – 22.0%
• Iron (Fe): Balance
Applications: Suited for high-temperature and corrosive environments where outer U-bend protection is essential—such as thermal power plants, WHRBs, and steam generation systems.
Uses
• Protection of 90-degree and U-bend tube curves in boilers and reheaters
• Shields return bends in HRSGs, WHRBs, and exhaust flue systems
• Applied in steam reformers, petrochemical heaters, and thermal oxidizers
• Guards tubes from scaling, oxidation, and erosion in high-temperature zones
Features
• Low carbon content – Reduces the risk of carbide precipitation and sensitization
• High-temperature capability – Retains strength and corrosion resistance up to 1100°C
• Oxidation and sulfidation resistance – Suitable for flue gas and high-sulfur fuel exposure
• Precision fit – Engineered to match bend radii and tube diameters accurately
• Flexible installation – Clamp-on, weld-on, or banded methods available
• Custom fabrication – Offered in varied lengths, thicknesses, and alloy specs
Applications
• Power generation plants – Extends life of curved tubes exposed to combustion gases
• Refineries – Protects tube bends in process heaters and convection zones
• WHRBs and HRSGs – Preserves tube integrity in exhaust gas circuits
• Chemical and fertilizer plants – Resists attack from aggressive flue gas compounds
Conclusion
The SS 310S Outer Half Round 90 Degree Bend Tube Shield by Ladhani Metal Corporation is an ideal solution for shielding curved tubes under severe thermal and corrosive stress. Its superior resistance to high temperatures, oxidation, and weld-related degradation ensures long-lasting protection and operational efficiency in industrial boilers and heat recovery systems.
For custom sizing, material selection, or technical specifications, contact Ladhani Metal Corporation.
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