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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
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
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
Being one of the leading organization in the market, highly involved in offering a broad range of Titanium DishEnds or EndCaps or just Caps, to our esteemed customers. Our offered products are manufactured suing utmost quality raw material which is obtained from the authentic vendor if the supplier. Moreover, these products are accessible in different sizes and dimensions to suit the varied demands and needs of our customers.
Types Of Dishends / Endcaps / Heads
ELLIPSOIDAL HEAD
This is also called a 2:1 elliptical head. The shape of this head is more economical, because the height of the head is just a quarter of the diameter. Its radius varies between the major and minor axis.
HEMISPHERICAL HEAD
A sphere is the ideal shape for a head, because the pressure in the vessel is divided equally across the surface of the head. The radius (R) of the head equals the radius of the cylindrical part of the vessel.
TORISPHERICAL HEAD
These heads have a dish with a fixed radius (CR), the size of which depends on the type of torispherical head. The transition between the cylinder and the dish is called the knuckle. The knuckle has a toroidal shape.
KLÖPPER HEAD
This is a torispherical head. The dish has a radius that equals the diameter of the cylinder it is attached to. The knuckle has a radius that equals a tenth of the diameter of the cylinder.
KORBBOGEN HEAD
This is a torispherical head also named Semi ellipsoidal head (DIN 28013). The radius of the dish is 80% of the diameter of the cylinder (CR = 0.8 x D0.). The radius of the knuckle is (KR = 0.154 x D0).
Features:
• Rugged construction
• Smooth finish
• High quality
Grades Available:
CP4 – Grade 1; CP3- Grade 2; Titanium CP2 – Grade 3; CP1 – Grade 4; Grade 7; Grade 11 – CP Ti-0.15Pd; Grade 5 – Titanium 6Al-4V; Grade 6 – Titanium 5Al-2.5Sn; Grade 9 – Titanium 3Al-2.5V; Grade 12 – Ti-0.3-Mo-0.8Ni; Grade 19 – Titanium Beta C; Grade 23 – Titanium 6Al-4V ELI; 6Al-6V-2Sn; 6Al-2Sn-4Zr-2Mo; 6Al-2Sn-4Zr-6Mo; 8Al-1Mo-1V; 10V-2Fe-3Al; 15V-3Cr-3Sn-3Al; Alpha Alloys; Beta Alloys; Alpha-Beta Alloys
DIN 2628 Inconel flanges PN 250 are high-strength weld neck flanges manufactured in accordance with the DIN 2628 standard. Designed to operate in high-pressure systems up to 250 bar (3625 psi), these flanges offer outstanding performance in extreme environments involving high temperatures, corrosive chemicals, and mechanical stress. Made from Inconel superalloys, they provide excellent resistance to oxidation, thermal fatigue, and pitting, making them ideal for critical applications in demanding industries.
Ladhani Metal Corporation is a globally trusted manufacturer and exporter of premium Inconel flanges. Our DIN 2628 PN 250 Inconel weld neck flanges are widely used in sectors such as chemical processing, offshore drilling, aerospace, power generation, and marine engineering. Known for precision engineering, reliability, and resistance to harsh service conditions, these flanges are a preferred choice in pressure-intensive and corrosion-prone systems.
Pressure Rating:
• PN 250 (250 bar / 3625 psi): Suitable for high-pressure pipelines requiring superior sealing, thermal resistance, and structural integrity.
Flange Type:
• Weld Neck Flanges
Designed with a tapered hub to reduce stress concentration at the weld point. Ideal for high-pressure and high-temperature environments.
• Flat Face (FF) Flanges
Flat face design ensures even gasket compression, preventing flange warping and providing secure sealing, especially when used with cast or brittle materials.
Inconel Grades and Composition:
Inconel 600 (UNS N06600)
• Nickel (Ni): ≥ 72.0%
• 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: Excellent resistance to heat and corrosion by acids and chlorides. Commonly used in heat exchangers, reactors, and high-temperature furnace parts.
Inconel 625 (UNS N06625)
• Nickel (Ni): ≥ 58.0%
• Chromium (Cr): 20.0 – 23.0%
• Molybdenum (Mo): 8.0 – 10.0%
• Niobium (Nb) + Tantalum (Ta): 3.15 – 4.15%
• Iron (Fe): ≤ 5.0%
• Carbon (C): ≤ 0.10%
• Manganese (Mn): ≤ 0.50%
• Silicon (Si): ≤ 0.50%
Applications: Exceptional corrosion resistance in chloride-bearing environments. Ideal for offshore oil and gas, marine exhaust systems, and chemical plants.
Inconel 718 (UNS N07718)
• Nickel (Ni): 50.0 – 55.0%
• Chromium (Cr): 17.0 – 21.0%
• Iron (Fe): Balance
• Niobium (Nb) + Tantalum (Ta): 4.75 – 5.50%
• Molybdenum (Mo): 2.80 – 3.30%
• Titanium (Ti): 0.65 – 1.15%
• Aluminum (Al): 0.20 – 0.80%
• Carbon (C): ≤ 0.08%
Applications: A precipitation-hardened superalloy with outstanding strength, creep resistance, and corrosion resistance at temperatures up to 700°C. Widely used in aerospace turbine engines, nuclear reactors, and high-pressure chemical systems.
Applications of DIN 2628 Inconel Flanges PN 250:
• Chemical and Petrochemical Plants
Ideal for piping systems exposed to aggressive chemicals, high pressures, and temperature fluctuations.
• Power Generation
Used in nuclear, thermal, and gas-fired power plants where heat and pressure resistance are critical.
• Aerospace and Jet Engine Systems
718-grade flanges are suitable for turbine casings, fuel lines, and other high-temperature aircraft components.
• Marine and Offshore Engineering
Highly corrosion-resistant in saltwater environments, suitable for subsea manifolds, pipelines, and ballast systems.
• Heat Treatment and Thermal Processing
Used in furnaces, reactors, and pressure vessels subjected to rapid thermal cycling and oxidation.
Key Features:
• Manufactured according to DIN 2628 standards
• PN 250 pressure rating for high-pressure system integrity
• Weld neck design ensures optimal strength and flow performance
• Available in Inconel 600, 625, and 718 grades
• Flat face option for uniform sealing and safety in brittle systems
• Excellent resistance to high temperatures, oxidation, and chlorides
• Suitable for extreme chemical, thermal, and marine environments
• Custom sizes, pressure classes, and finishes available upon request
Conclusion:
DIN 2628 Inconel Flanges PN 250 from Ladhani Metal Corporation offer the ideal solution for industries demanding high-performance materials under extreme conditions. With options in Inconel 600, 625, and 718, these weld neck flanges combine corrosion resistance, strength, and thermal stability for reliable operation across a wide range of high-pressure applications. Contact Ladhani Metal Corporation for detailed specifications, technical assistance, or to request a tailored quotation.
DIN 2627 Duplex Steel flanges PN 400 are high-integrity blind flanges engineered for ultra-high-pressure systems where enhanced corrosion resistance, mechanical strength, and stress corrosion cracking resistance are crucial. These flanges are manufactured in compliance with the DIN 2627 standard and are used to seal the ends of piping systems operating under extreme conditions involving high pressure, temperature fluctuations, and aggressive media such as chlorides or acidic compounds.
The PN 400 rating (400 bar / 5800 psi) ensures these flanges are suitable for the most demanding environments. Made from Duplex and Super Duplex stainless steels—such as Duplex 2205 (UNS S31803/S32205) and Super Duplex 2507 (UNS S32750)—they offer a unique combination of austenitic and ferritic microstructures, providing exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking.
Pressure Rating:
• PN 400 (400 bar / 5800 psi): Designed for use in high-pressure systems where superior strength and corrosion resistance are required.
Flange Type:
• Blind Flanges
Flat, solid flanges without a bore, used to seal off pipeline ends or nozzles for isolation, pressure testing, or future expansion.
• Flat Face (FF) Flanges
Feature a flat sealing surface suitable for use with full-face gaskets and flat-faced mating components to ensure uniform sealing under high-pressure conditions.
Duplex Steel Grades and Composition:
Duplex 2205 (UNS S31803 / S32205)
• Chromium (Cr): 21 – 23%
• Nickel (Ni): 4.5 – 6.5%
• Molybdenum (Mo): 2.5 – 3.5%
• Nitrogen (N): 0.08 – 0.2%
• Iron (Fe): Balance
Applications: High strength and excellent resistance to chloride-induced stress corrosion and pitting. Commonly used in chemical tanks, pipelines, and pressure vessels.
Applications of DIN 2627 Duplex Steel Flanges PN 400:
• Offshore and Subsea Oil & Gas Installations
Withstand high pressure, chloride-rich environments, and dynamic loading in risers, manifolds, and subsea pipelines.
• Desalination Plants and Seawater Systems
Exceptional resistance to chloride-induced corrosion makes them ideal for seawater intake and brine discharge lines.
• Chemical and Petrochemical Plants
Used in corrosive process lines involving acids, solvents, and high-temperature hydrocarbons.
• Pulp and Paper Industry
Ideal for chemical recovery systems and chlorine dioxide bleaching where both corrosion and strength are essential.
• Heat Exchangers and Pressure Vessels
High strength and thermal fatigue resistance under cyclic temperature and pressure changes.
• Power Generation and Nuclear Systems
Effective in high-pressure steam and cooling systems where corrosion resistance and mechanical integrity are mandatory.
Key Features:
• Compliant with DIN 2627 specifications
• PN 400 pressure rating for ultra-high-pressure applications
• Blind flange configuration ensures secure system isolation
• Flat face design supports full-face gasket usage for optimal sealing
• Available in Duplex 2205 and Super Duplex 2507
• Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking
• High mechanical strength with good weldability and fatigue resistance
• Used across offshore, petrochemical, desalination, and energy sectors
• Custom dimensions, materials, and finishes available upon request
Conclusion:
DIN 2627 Duplex Steel Flanges PN 400 from Ladhani Metal Corporation deliver unmatched reliability and performance in the harshest operating conditions. Whether used in high-pressure offshore pipelines or corrosive chemical systems, these flanges offer long-term sealing, structural integrity, and corrosion resistance. Reach out to Ladhani Metal Corporation for technical assistance, material selection, or customized Duplex flange solutions tailored to your operational demands.
DIN 2627 stainless steel flanges PN 400 are precision-engineered blind flanges manufactured according to the DIN 2627 standard. Designed to withstand ultra-high-pressure conditions up to 400 bar (5800 psi), these flanges are used to terminate or isolate piping systems safely and effectively. Fabricated from high-grade stainless steels, including 304, 316, and 321, these blind flanges provide superior mechanical strength, corrosion resistance, and long service life in aggressive industrial environments.
Ladhani Metal Corporation is a globally recognized manufacturer and exporter of stainless steel flanges. Our DIN 2627 PN 400 blind flanges are widely trusted in sectors such as oil and gas, chemical processing, marine, energy, and high-pressure utility systems for their durability, quality, and performance under extreme conditions.
Pressure Rating:
• PN 400 (400 bar / 5800 psi): Suitable for high-pressure pipelines and critical systems where absolute sealing and structural integrity are required.
Flange Type:
• Blind Flanges
Solid, non-bored flanges used to block pipeline ends or vessel nozzles. These flanges are essential for system isolation during maintenance, testing, or future expansions.
• Flat Face (FF) Flanges
Flat face flanges are designed to mate with flat gaskets and flat-faced components. They provide even gasket compression and are ideal when used with cast iron or brittle materials to avoid flange distortion.
Stainless Steel Grades and Full Composition:
Stainless Steel 304
• Chromium (Cr): 18.0 – 20.0%
• Nickel (Ni): 8.0 – 10.5%
• Carbon (C): ≤ 0.08% (304), ≤ 0.03% (304L)
• Manganese (Mn): ≤ 2.0%
• Silicon (Si): ≤ 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%
• Iron (Fe): Balance
Applications: Excellent general corrosion resistance. Commonly used in food processing, water systems, and chemical equipment.
Stainless Steel 316
• Chromium (Cr): 16.0 – 18.0%
• Nickel (Ni): 10.0 – 14.0%
• Molybdenum (Mo): 2.0 – 3.0%
• Carbon (C): ≤ 0.08% (316), ≤ 0.03% (316L)
• Manganese (Mn): ≤ 2.0%
• Silicon (Si): ≤ 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%
• Iron (Fe): Balance
Applications: Enhanced resistance to chlorides and acidic environments. Ideal for marine, pharmaceutical, and chemical processing.
Stainless Steel 321
• Chromium (Cr): 17.0 – 19.0%
• Nickel (Ni): 9.0 – 12.0%
• Titanium (Ti): ≥ 5 × C (typically 0.20 – 0.70%)
• Carbon (C): ≤ 0.08%
• Manganese (Mn): ≤ 2.0%
• Silicon (Si): ≤ 1.0%
• Phosphorus (P): ≤ 0.045%
• Sulfur (S): ≤ 0.03%
• Iron (Fe): Balance
Applications: 321 stainless steel is stabilized with titanium, providing excellent resistance to intergranular corrosion after welding and high-temperature exposure. Commonly used in thermal processing, aerospace, and exhaust systems.
Applications of DIN 2627 Stainless Steel Flanges PN 400:
• Oil and Gas Industry
Used in upstream and downstream systems, where high pressure and harsh chemicals are common.
• Chemical and Petrochemical Plants
Ideal for isolating high-pressure lines carrying corrosive or reactive chemicals.
• Marine and Offshore Engineering
Suitable for saltwater-exposed piping, ballast systems, and underwater applications requiring corrosion resistance.
• Power Generation
Applied in steam, nuclear, and thermal plants for sealing pressurized piping and vessel systems.
• Aerospace and High-Temperature Systems
321-grade blind flanges are used in systems exposed to elevated temperatures and thermal cycling.
• Water Treatment and Desalination
Withstands chloride-induced corrosion in high-pressure brine and filtration lines.
Key Features:
• Manufactured to DIN 2627 specifications
• PN 400 pressure rating for extreme pressure performance
• Blind flange design ideal for system isolation and termination
• Available in stainless steel grades 304, 304L, 316, 316L, and 321
• Flat face type for even gasket compression and sealing integrity
• Superior corrosion resistance and mechanical strength
• Suitable for aggressive chemical, marine, and high-temperature environments
• Custom sizes, surface finishes, and pressure classes available upon request
Conclusion:
DIN 2627 Stainless Steel Flanges PN 400 by Ladhani Metal Corporation are designed for maximum performance in high-pressure, corrosive, and high-temperature environments. With material options including 304, 316, and titanium-stabilized 321 stainless steel, these blind flanges offer flexibility, reliability, and long-term service life across critical industries. Contact Ladhani Metal Corporation today for technical assistance, specifications, or custom flange solutions.