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Product name:Titanium Pressure Vessel Hemispherical Tank Head
Standard: ASME VIII-I, DIN28013
Material: GR1, GR2, GR7, GR12 etc.
Size: Customized
The Hemispherical Tank Head head refers to the element used to close the end of the container to isolate the internal and external media, also known as the end cover. The head of cylinder descriptors is generally a rotating shell. According to the shape of the head surface, it can be divided into convex shape, conical shape, flat shape and combined shape. Convex head refers to the head whose outer surface is convex, such as semi spherical, elliptical, dished and non folded spherical head. Some gas cylinders adopt the combined bottom head with convex face inward, which can not only ensure the strength, but also meet the needs of use.
Matterial: titanium GR1, GR2, GR7, GR12 etc.
Type: select suitable head types according to the requirements and effectiveness of industrial equipment, such as elliptic, butterfly, cone, ball, etc
Size: generally, the height width ratio of the head is manufactured according to international standards, or can be customized according to customer requirements
Scope of application: the head is widely used in petroleum, electronics, chemical industry, medicine, textile, food, machinery, construction, nuclear power, aerospace, industry and other industries.
ASTM B265
Fe max
O max
N max
C max
H max
Pd
Al
V
Mo
Ni
Elong'n
Rp 0.2
Rm
No
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
%
MPa
MPa
Grade 1
0.2
0.18
0.03
0.1
0.015
24
170-310
240
Grade 2
0.3
0.25
0.03
0.1
0.015
20
275-450
345-480
Grade 3
0.25
0.3
0.05
0.1
0.015
18
360-480
480-700
Grade 4
0.5
0.4
0.05
0.1
0.015
15
500-530
600-680
Grade 5
0.4
0.2
0.05
0.1
0.015
5.5-6.7
10
800-1100
890-1400
Grade 6
0.1
16
780-820
820-860
Grade 7
0.3
0.25
0.03
0.1
0.015
0,12-0,25
20
275-450**
345
Grade 9
0.25
0.15
0.02
0.05
0.015
2,5-3,05
15
550
650
Grade 11
0.2
0.18
0.03
0.1
0.015
0.12-0.25
24
170-310**
240
Grade 12
0.3
0.25
0.03
0.1
0.015
0.3
0.8
25
414-460
499-600
Grade 13
0.5
Grade 14
0.5
Grade 15
0.5
Grade 16
0.04-0.08
27
345
485
Grade 17
0.18
0.04-0.08
35
206
345
Gr2 Titanium Blind Flanges
Material: GR2(F2)
Standard:ANSI B16.5,ANSI B16.47A, ANSI B16.47
Size:1/2"~80"
Class 150 class 300 class 600 class 900 class 1500
Technique:Forged, CNC machined
titanium flanges function
The flange, gasket and bolt are connected to each other as a detachable connection of a combined sealing structures.
Flange connection is an important connection method for pipeline construction.
The flange connection is easy to use and can withstand great pressure.
Product name:Titanium Pressure Vessel Hemispherical Tank Head
Standard: ASME VIII-I, DIN28013
Material: GR1, GR2, GR7, GR12 etc.
Size: Customized
The Hemispherical Tank Head head refers to the element used to close the end of the container to isolate the internal and external media, also known as the end cover. The head of cylinder descriptors is generally a rotating shell. According to the shape of the head surface, it can be divided into convex shape, conical shape, flat shape and combined shape. Convex head refers to the head whose outer surface is convex, such as semi spherical, elliptical, dished and non folded spherical head. Some gas cylinders adopt the combined bottom head with convex face inward, which can not only ensure the strength, but also meet the needs of use.
Matterial: titanium GR1, GR2, GR7, GR12 etc.
Type: select suitable head types according to the requirements and effectiveness of industrial equipment, such as elliptic, butterfly, cone, ball, etc
Size: generally, the height width ratio of the head is manufactured according to international standards, or can be customized according to customer requirements
Scope of application: the head is widely used in petroleum, electronics, chemical industry, medicine, textile, food, machinery, construction, nuclear power, aerospace, industry and other industries.
ASTM B265
Fe max
O max
N max
C max
H max
Pd
Al
V
Mo
Ni
Elong'n
Rp 0.2
Rm
No
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
wt%
%
MPa
MPa
Grade 1
0.2
0.18
0.03
0.1
0.015
24
170-310
240
Grade 2
0.3
0.25
0.03
0.1
0.015
20
275-450
345-480
Grade 3
0.25
0.3
0.05
0.1
0.015
18
360-480
480-700
Grade 4
0.5
0.4
0.05
0.1
0.015
15
500-530
600-680
Grade 5
0.4
0.2
0.05
0.1
0.015
5.5-6.7
10
800-1100
890-1400
Grade 6
0.1
16
780-820
820-860
Grade 7
0.3
0.25
0.03
0.1
0.015
0,12-0,25
20
275-450**
345
Grade 9
0.25
0.15
0.02
0.05
0.015
2,5-3,05
15
550
650
Grade 11
0.2
0.18
0.03
0.1
0.015
0.12-0.25
24
170-310**
240
Grade 12
0.3
0.25
0.03
0.1
0.015
0.3
0.8
25
414-460
499-600
Grade 13
0.5
Grade 14
0.5
Grade 15
0.5
Grade 16
0.04-0.08
27
345
485
Grade 17
0.18
0.04-0.08
35
206
345
DIN 2634 carbon steel flanges PN 25 are high-strength weld neck flanges manufactured according to the DIN 2634 standard. Specifically designed for use in high-pressure piping systems operating up to 25 bar (362 psi), these flanges offer excellent mechanical performance and are suitable for a wide range of industrial applications. Manufactured from quality carbon steel, they provide strong, durable, and cost-effective solutions for systems where corrosion resistance requirements are moderate but structural integrity is critical.
Ladhani Metal Corporation is a recognized manufacturer and global supplier of carbon steel flanges, known for precision engineering, strict adherence to international standards, and advanced production capabilities. Each flange is subject to comprehensive testing and inspection to ensure reliability and consistent performance under demanding operating conditions.
Pressure Rating:
• PN 25 (25 bar / 362 psi): Suitable for medium to high-pressure applications where strength and impact resistance are essential.
Flange Type:
• Weld Neck Flanges
Designed with a tapered hub to ensure smooth transition from flange to pipe, weld neck flanges are ideal for systems experiencing frequent thermal cycling, pressure fluctuations, and mechanical stress.
• Flat Face (FF) Flanges
Recommended for use with gaskets made from soft materials or when connecting to cast iron components, flat face flanges ensure even gasket compression and reliable sealing performance.
Carbon Steel Grades and Typical Composition:
Carbon Steel (ASTM A105 / C22.8 equivalent) – Forged Carbon Steel
• Carbon (C): ≤ 0.35%
• Manganese (Mn): 0.60 – 1.05%
• Phosphorus (P): ≤ 0.035%
• Sulfur (S): ≤ 0.040%
• Silicon (Si): 0.10 – 0.35%
• Iron (Fe): Balance
Applications: Commonly used in oil and gas, petrochemical, water transmission, and power generation industries, especially in applications where high mechanical strength and pressure handling are more critical than corrosion resistance.
Applications of DIN 2634 Carbon Steel Flanges PN 25:
• Oil and Gas Pipelines
Widely used in upstream and downstream systems for fluid transport under high pressure.
• Petrochemical and Refining Plants
Efficiently handles high-pressure flow systems involving hydrocarbons and steam.
• Power Plants and Boiler Systems
Suited for high-pressure steam and water lines, offering excellent tensile strength and fatigue resistance.
• Water and Wastewater Infrastructure
Used in municipal and industrial pipelines requiring cost-effective, robust flange connections.
• General Industrial Systems
Applicable in a wide range of mechanical systems and processing plants handling non-corrosive or mildly corrosive media.
Key Features:
• Compliant with DIN 2634 pressure and dimensional standards
• PN 25 rating ensures compatibility with high-pressure pipelines
• High tensile and yield strength for demanding structural requirements
• Weld neck design enhances resistance to vibration and thermal expansion
• Cost-effective solution for pressure-bearing connections
• Available in standard and custom sizes, surface finishes, and pressure ratings
• Heat treatment and coating options available upon request
Conclusion:
DIN 2634 carbon steel flanges PN 25 from Ladhani Metal Corporation provide a robust and economical solution for high-pressure systems where mechanical performance is essential. Their strength, reliability, and adaptability make them a preferred choice across industries such as oil and gas, power generation, and water infrastructure. For technical specifications, custom configurations, or pricing, contact Ladhani Metal Corporation today.
DIN 2634 super duplex steel flanges PN 25 are high-performance weld neck flanges designed in accordance with the DIN 2634 standard. These flanges are engineered for high-pressure systems operating up to 25 bar (362 psi) and are manufactured from premium super duplex stainless steel grades. Known for their superior strength, excellent corrosion resistance, and enhanced resistance to stress corrosion cracking and pitting, super duplex flanges are ideally suited for demanding industrial environments. Their robust mechanical properties make them a reliable choice for aggressive service conditions and high-pressure applications.
Ladhani Metal Corporation is a global leader in the manufacturing and supply of super duplex steel flanges. With advanced production facilities, precision engineering capabilities, and rigorous quality assurance practices, the company ensures that each flange meets the highest standards of safety, durability, and performance under extreme conditions.
Pressure Rating:
• PN 25 (25 bar / 362 psi): Designed for systems requiring high strength and exceptional corrosion resistance under elevated pressure conditions.
Flange Type:
• Weld Neck Flanges
Featuring a tapered hub design, weld neck flanges deliver optimal stress distribution and secure, leak-free connections in systems exposed to thermal and mechanical loading.
• Flat Face (FF) Flanges
Recommended for use with softer gasket materials or systems incorporating cast iron components, flat face flanges provide uniform gasket compression and reliable sealing.
Super Duplex Steel Grades and Typical Composition:
Super Duplex Steel (UNS S32750 / S32760) – Ferritic-Austenitic Stainless Steel
• Chromium (Cr): 24.0 – 26.0%
• Nickel (Ni): 6.0 – 8.0%
• Molybdenum (Mo): 3.0 – 5.0%
• Nitrogen (N): 0.2 – 0.3%
• Iron (Fe): Balance
Applications: Widely used in environments where high strength, corrosion resistance, and resistance to chloride-induced stress corrosion cracking are essential, such as offshore platforms, chemical plants, and desalination facilities.
Applications of DIN 2634 Super Duplex Steel Flanges PN 25:
• Offshore and Subsea Installations
Withstand chloride-rich marine environments, offering long-term durability and resistance to seawater corrosion.
• Chemical and Petrochemical Processing
Suitable for handling aggressive chemicals, acids, and solvents under high pressure and temperature conditions.
• Desalination and Water Treatment Plants
Perform reliably in saline and brine-rich environments with superior resistance to pitting and crevice corrosion.
• Power Generation and Heat Exchangers
Offer excellent performance in high-temperature, high-pressure applications requiring strength and corrosion protection.
• Pulp and Paper Industry
Operate effectively in harsh chemical environments including bleach and acidic processing streams.
Key Features:
• Manufactured to DIN 2634 specifications for dimensional accuracy and pressure handling
• PN 25 pressure class supports high-performance applications
• Superior resistance to localized corrosion including pitting and stress corrosion cracking
• High strength-to-weight ratio and excellent mechanical properties
• Weld neck design ensures structural integrity and resistance to fatigue
• Available in both UNS S32750 and S32760 super duplex grades
• Customizable in size, pressure class, and surface finish upon request
Conclusion:
DIN 2634 super duplex steel flanges PN 25 from Ladhani Metal Corporation are engineered to deliver top-tier performance in environments where mechanical strength and corrosion resistance are non-negotiable. Their robust construction and excellent durability make them ideal for marine, chemical, and industrial applications operating under high pressure. For detailed specifications, project consultations, or a custom quote, contact Ladhani Metal Corporation today.
DIN 2634 duplex steel flanges PN 25 are high-performance weld neck flanges manufactured in accordance with the DIN 2634 standard. Specifically designed for high-pressure applications up to 25 bar (362 psi), these flanges are made from premium duplex stainless steel grades, offering exceptional corrosion resistance, excellent mechanical strength, and superior resistance to stress corrosion cracking in harsh environments. Their robust construction makes them ideal for demanding industrial applications where reliability and durability are critical.
Ladhani Metal Corporation is a trusted global manufacturer and supplier of duplex steel flanges, known for advanced manufacturing capabilities, precision machining, and strict adherence to international quality standards. Each flange undergoes thorough inspection and testing to ensure long-term reliability, safety, and resistance to extreme operating conditions.
Pressure Rating:
• PN 25 (25 bar / 362 psi): Designed for high-pressure systems requiring corrosion-resistant and mechanically robust flange connections.
Flange Type:
• Weld Neck Flanges
Featuring an extended tapered hub, weld neck flanges provide excellent stress distribution at the base, ensuring strong and leak-proof joints in systems exposed to high pressure and thermal cycling.
• Flat Face (FF) Flanges
Ideal for use with softer gasket materials or in systems connecting to cast components, flat face flanges offer consistent and uniform gasket compression.
Duplex Steel Grades and Typical Composition:
Duplex Stainless Steel 2205 (UNS S32205 / S31803)
• Chromium (Cr): 21 – 23%
• Nickel (Ni): 4.5 – 6.5%
• Molybdenum (Mo): 2.5 – 3.5%
• Nitrogen (N): 0.14 – 0.20%
• Iron (Fe): Balance
Applications: Preferred in environments with chloride exposure, such as seawater, chemical processing, and pulp and paper industries, due to excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.
Duplex Stainless Steel 2507 (UNS S32750) – Super Duplex
• Chromium (Cr): 24 – 26%
• Nickel (Ni): 6 – 8%
• Molybdenum (Mo): 3.5 – 4.5%
• Nitrogen (N): 0.24 – 0.32%
• Iron (Fe): Balance
Applications: Used in the most aggressive environments including offshore oil and gas, desalination plants, and chemical processing where enhanced corrosion resistance and high mechanical strength are critical.
Applications of DIN 2634 Duplex Steel Flanges PN 25:
• Offshore and Marine Systems
Resists corrosion from seawater and aggressive chloride environments while maintaining strength under pressure.
• Chemical and Petrochemical Processing
Ideal for transporting corrosive chemicals such as acids, alkalis, and chlorides at elevated pressures.
• Desalination Plants
Performs exceptionally in saltwater treatment systems exposed to high pressure and corrosive media.
• Oil and Gas Industry
Used in pipelines and pressure vessels requiring resistance to chloride-induced stress corrosion cracking.
• Pulp and Paper Industry
Applied in aggressive bleaching and chemical processing environments.
Key Features:
• Manufactured in accordance with DIN 2634 dimensional and pressure requirements
• PN 25 pressure rating supports high-pressure applications
• Excellent corrosion resistance including pitting, crevice, and stress corrosion cracking resistance
• Superior mechanical strength and toughness at elevated temperatures
• Weld neck configuration ensures strong, vibration-resistant joints
• Available in standard duplex and super duplex grades
• Custom sizes, pressure classes, and surface finishes available upon request
Conclusion:
DIN 2634 duplex steel flanges PN 25 from Ladhani Metal Corporation are engineered for challenging environments where corrosion resistance, mechanical strength, and pressure integrity are critical. With superior durability and reliability, these duplex steel flanges are ideal for demanding applications in marine, chemical, oil and gas, and industrial systems. For technical consultations, specialized requirements, or pricing information, contact Ladhani Metal Corporation today.
DIN 2634 monel flanges PN 25 are high-performance weld neck flanges manufactured in accordance with the DIN 2634 standard. Specifically engineered for high-pressure applications up to 25 bar (362 psi), these flanges are made from premium Monel alloys, offering excellent corrosion resistance, high strength, and durability in harsh environments. Their robust construction makes them ideal for applications involving aggressive chemical media and seawater where conventional metal flanges may degrade.
Ladhani Metal Corporation is a trusted global manufacturer and supplier of Monel flanges, known for advanced manufacturing capabilities, precision machining, and strict adherence to international quality standards. Each flange undergoes thorough inspection and testing to ensure long-term reliability, safety, and resistance to extreme operating conditions.
Pressure Rating:
• PN 25 (25 bar / 362 psi): Designed for high-pressure systems requiring corrosion-resistant and mechanically robust flange connections.
Flange Type:
• Weld Neck Flanges
Featuring an extended tapered hub, weld neck flanges provide excellent stress distribution at the base, ensuring strong and leak-proof joints in systems exposed to high pressure and thermal cycling.
• Flat Face (FF) Flanges
Ideal for use with softer gasket materials or in systems connecting to cast components, flat face flanges offer consistent and uniform gasket compression.
Monel Grades and Typical Composition:
Monel 400 (UNS N04400) – Nickel-Copper Alloy
• Nickel (Ni): 63% minimum
• Copper (Cu): 28-34%
• Iron (Fe): 2.5% maximum
• Manganese (Mn): 2.0% maximum
• Carbon (C): 0.30% maximum
Applications: Preferred in seawater and saltwater service, chemical processing, and marine equipment where excellent corrosion resistance in oxidizing and reducing environments is required.
Monel K500 (UNS N05500) – Nickel-Copper Alloy with Additional Strengthening Elements
• Nickel (Ni): 63% minimum
• Copper (Cu): 28-34%
• Iron (Fe): 2.5% maximum
• Manganese (Mn): 2.0% maximum
• Aluminum (Al) and Titanium (Ti): Added for age hardening
Applications: Used in high-strength marine and chemical environments requiring enhanced mechanical properties and corrosion resistance.
Applications of DIN 2634 Monel Flanges PN 25:
• Offshore and Marine Systems
Resists corrosion from seawater, brine, and marine atmospheres while maintaining strength under pressure.
• Chemical and Petrochemical Processing
Ideal for transporting corrosive media such as acids, alkalis, and chloride solutions at elevated pressures.
• Desalination Plants
Performs reliably in saltwater treatment and high-pressure water processing systems.
• Power Generation
Used in systems requiring resistance to erosion and corrosion in high-temperature steam and cooling circuits.
• Pharmaceutical and Food Processing
Applied in hygienic environments requiring corrosion resistance and chemical inertness.
Key Features:
• Manufactured in accordance with DIN 2634 dimensional and pressure requirements
• PN 25 pressure rating supports high-pressure applications
• Excellent resistance to corrosion, erosion, and stress corrosion cracking
• Weld neck configuration ensures strong, vibration-resistant joints
• Available in Monel 400 and Monel K500 alloys
• Custom sizes, pressure classes, and surface finishes available upon request
Conclusion:
DIN 2634 monel flanges PN 25 from Ladhani Metal Corporation are engineered for demanding conditions where corrosion resistance, mechanical strength, and pressure integrity are essential. These Monel flanges provide long-term durability and reliable performance for advanced applications in marine, chemical, power generation, and industrial systems. For technical consultations, specialized requirements, or pricing information, contact Ladhani Metal Corporation today.
DIN 2634 Inconel flanges PN 25 are high-performance weld neck flanges manufactured in accordance with the DIN 2634 standard. Specifically designed for high-pressure applications up to 25 bar (362 psi), these flanges are produced using premium Inconel alloys. Inconel is known for its exceptional resistance to oxidation, high-temperature strength, and ability to withstand corrosive and extreme environments, making these flanges suitable for the most demanding operational conditions. Their high performance and reliability make them ideal in environments where other materials may degrade or fail under stress.
Ladhani Metal Corporation is a trusted global manufacturer and supplier of Inconel flanges, recognized for advanced manufacturing expertise, precision machining, and commitment to international quality standards. Every flange undergoes rigorous inspection and testing to guarantee safety, longevity, and consistent performance under extreme operating environments.
Pressure Rating:
• PN 25 (25 bar / 362 psi): Suitable for high-pressure systems that require superior corrosion resistance and mechanical strength.
Flange Type:
• Weld Neck Flanges
Featuring a tapered neck for gradual stress transition, weld neck flanges are ideal for high-pressure and high-temperature systems, ensuring a strong and leak-resistant weld connection.
• Flat Face (FF) Flanges
Designed to be used with softer gasket materials or cast equipment, flat face flanges ensure even compression and secure sealing in moderate to high-pressure systems.
Inconel Grades and Typical Composition:
Inconel 600 (UNS N06600) – Nickel-Chromium Alloy
• Nickel (Ni): 72.0 min
• Chromium (Cr): 14.0 – 17.0%
• Iron (Fe): 6.0 – 10.0%
• Carbon (C): ≤ 0.15%
• Manganese (Mn): ≤ 1.0%
• Silicon (Si): ≤ 0.5%
Applications: Commonly used in heat exchangers, furnace components, and chemical processing equipment due to excellent resistance to high-temperature oxidation and corrosion.
Inconel 625 (UNS N06625) – Nickel-Chromium-Molybdenum Alloy
• Nickel (Ni): 58.0 min
• Chromium (Cr): 20.0 – 23.0%
• Molybdenum (Mo): 8.0 – 10.0%
• Niobium (Nb): 3.15 – 4.15%
• Iron (Fe): ≤ 5.0%
Applications: Widely used in offshore and marine engineering, aerospace, chemical processing, and power generation due to excellent fatigue strength and resistance to chloride pitting and crevice corrosion.
Inconel 718 (UNS N07718) – Nickel-Chromium Alloy with Niobium and Molybdenum
• Nickel (Ni): 50.0 – 55.0%
• Chromium (Cr): 17.0 – 21.0%
• Iron (Fe): Balance
• Niobium + Tantalum (Nb + Ta): 4.75 – 5.50%
• Molybdenum (Mo): 2.80 – 3.30%
• Titanium (Ti): 0.65 – 1.15%
• Aluminum (Al): 0.20 – 0.80%
Applications: Preferred in aerospace, turbine engines, nuclear reactors, and cryogenic tanks due to its excellent creep resistance, high strength, and ability to retain properties across a wide temperature range from cryogenic to 700°C.
Applications of DIN 2634 Inconel Flanges PN 25:
• Offshore Oil and Gas Platforms
Resistant to seawater, sour gas, and harsh chemicals, ensuring reliability in corrosive and high-pressure marine environments.
• Chemical Processing and Heat Treatment Plants
Offers resistance to aggressive acids, alkalis, and oxidizing agents, even at elevated temperatures.
• Power Generation Facilities
Used in turbine systems, heat recovery steam generators, and reactors due to its high-temperature strength and oxidation resistance.
• Aerospace and Defense Components
Performs reliably in aircraft and defense systems exposed to extreme pressure and temperature variations.
• Waste Treatment and Pollution Control
Ideal for systems handling incineration gases, flue gases, and chemical waste due to high corrosion resistance.
Key Features:
• Manufactured as per DIN 2634 standards for dimensional accuracy and pressure compliance
• PN 25 pressure rating for robust and high-pressure service conditions
• High resistance to heat, corrosion, and oxidation in challenging environments
• Suitable for both high-temperature and cryogenic applications
• Weld neck configuration offers optimal stress distribution and structural integrity
• Available in Inconel 600, 625, and other grades upon request
• Custom sizes, pressure ratings, and special surface finishes available
Conclusion:
DIN 2634 Inconel flanges PN 25 from Ladhani Metal Corporation are engineered to provide uncompromising performance in corrosive and high-temperature environments. With superior material properties and strict quality control, these Inconel flanges deliver long-term reliability for demanding industrial applications. Contact Ladhani Metal Corporation for detailed technical support, material selection guidance, or competitive pricing for your specific requirements.
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