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Product Name: WN Titanium Flanges
Standard: ANSI / ASME B16.5
Material: Gr1 Gr2 Gr5 Gr7 Gr12
Unit Price: $25usd/pc-$85usd/pc
Sealing Surface: RF, FF, TG, RJ etc.
Size: NPS 1/2 - NPS 24(DN 10 - 2000)
Pressure: 150#-2500#
Surface: Polished
Technique: Forged and CNC Machined
Inspection: UT% PT%
Certificate: ISO9001, TUV etc.
WN Titanium Flanges
The titanium flange is a part made of pure titanium or titanium alloy, which connects the pipe to the pipe, and to the end of the pipe.
Product Name: WN Titanium Flanges
Standard: ANSI / ASME B16.5
Material: Gr1 Gr2 Gr5 Gr7 Gr12
Unit Price: $25usd/pc-$85usd/pc
Sealing Surface: RF, FF, TG, RJ etc.
Size: NPS 1/2 - NPS 24(DN 10 - 2000)
Pressure: 150#-2500#
Surface: Polished
Technique: Forged and CNC Machined
Inspection: UT% PT%
Certificate: ISO9001, TUV etc.
Differences between Weld neck titanium flange and slip on titanium flange
1. Different welding forms: The welding form of neck flat welded titanium flange pipe and titanium flange is fillet welding, while the welding form of the neck butt welded flange and pipe is girth welding;
2. Different materials: the material of the necked flat welding flange is made of ordinary titanium plate with a thickness that meets the requirements, while the material of the necked butt welding flange is mostly machined from titanium forgings;
3. the nominal pressure is different: the nominal pressure of the necked flat welding flange is: 0.6---4.0MPa, and the nominal pressure of the necked butt welding flange is: 1--25MPa;
4. Another point is that the welding seam between the necked butt-welded flange and the connection pipe belongs to type B seam, and the welding seam between the necked flat-welded flange and the connection pipe belongs to type C seam. And the non-destructive testing after welding is different;
5. The necked flat welding flange and the necked butt welding flange cannot be replaced at will. From a manufacturing perspective, the necked flat welding flange (SO is the abbreviation of Slip On) has a large inner diameter, which means that the weight is light and the cost is low. Neck butt welding flanges (WN is the abbreviation of Welding Neck) with a nominal diameter greater than 250mm need to be tested, and SO flanges do not need to be tested, so the cost is low.
Product Name:Titanium weld neck flanges
Standard: ANSI / ASME B16.5
Material: Gr1 Gr2 Gr5 Gr7 Gr12
Unit Price: $25usd/pc-$85usd/pc
Sealing Surface: RF, FF, TG, RJ etc.
Size: NPS 1/2 - NPS 24(DN 10 - 2000)
Pressure: 150#-2500#
Surface: Polished
Technique: Forged and CNC Machined
Titanium Weld Neck Flanges
Titanium weld neck flanges are not easy to deform, have good sealing, and are widely used. They are suitable for pipelines with large fluctuations in pressure or temperature or high temperature, high pressure and low temperature pipelines. The advantage is that the price is low, and the nominal pressure does not exceed 2.5MPa. It is also used for transportation on pipelines with expensive, flammable and explosive media, and the nominal pressure is around PN16MPa.
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: WN Titanium Flanges
Standard: ANSI / ASME B16.5
Material: Gr1 Gr2 Gr5 Gr7 Gr12
Unit Price: $25usd/pc-$85usd/pc
Sealing Surface: RF, FF, TG, RJ etc.
Size: NPS 1/2 - NPS 24(DN 10 - 2000)
Pressure: 150#-2500#
Surface: Polished
Technique: Forged and CNC Machined
Inspection: UT% PT%
Certificate: ISO9001, TUV etc.
WN Titanium Flanges
The titanium flange is a part made of pure titanium or titanium alloy, which connects the pipe to the pipe, and to the end of the pipe.
Product Name: WN Titanium Flanges
Standard: ANSI / ASME B16.5
Material: Gr1 Gr2 Gr5 Gr7 Gr12
Unit Price: $25usd/pc-$85usd/pc
Sealing Surface: RF, FF, TG, RJ etc.
Size: NPS 1/2 - NPS 24(DN 10 - 2000)
Pressure: 150#-2500#
Surface: Polished
Technique: Forged and CNC Machined
Inspection: UT% PT%
Certificate: ISO9001, TUV etc.
Differences between Weld neck titanium flange and slip on titanium flange
1. Different welding forms: The welding form of neck flat welded titanium flange pipe and titanium flange is fillet welding, while the welding form of the neck butt welded flange and pipe is girth welding;
2. Different materials: the material of the necked flat welding flange is made of ordinary titanium plate with a thickness that meets the requirements, while the material of the necked butt welding flange is mostly machined from titanium forgings;
3. the nominal pressure is different: the nominal pressure of the necked flat welding flange is: 0.6---4.0MPa, and the nominal pressure of the necked butt welding flange is: 1--25MPa;
4. Another point is that the welding seam between the necked butt-welded flange and the connection pipe belongs to type B seam, and the welding seam between the necked flat-welded flange and the connection pipe belongs to type C seam. And the non-destructive testing after welding is different;
5. The necked flat welding flange and the necked butt welding flange cannot be replaced at will. From a manufacturing perspective, the necked flat welding flange (SO is the abbreviation of Slip On) has a large inner diameter, which means that the weight is light and the cost is low. Neck butt welding flanges (WN is the abbreviation of Welding Neck) with a nominal diameter greater than 250mm need to be tested, and SO flanges do not need to be tested, so the cost is low.
Product Name:Titanium weld neck flanges
Standard: ANSI / ASME B16.5
Material: Gr1 Gr2 Gr5 Gr7 Gr12
Unit Price: $25usd/pc-$85usd/pc
Sealing Surface: RF, FF, TG, RJ etc.
Size: NPS 1/2 - NPS 24(DN 10 - 2000)
Pressure: 150#-2500#
Surface: Polished
Technique: Forged and CNC Machined
Titanium Weld Neck Flanges
Titanium weld neck flanges are not easy to deform, have good sealing, and are widely used. They are suitable for pipelines with large fluctuations in pressure or temperature or high temperature, high pressure and low temperature pipelines. The advantage is that the price is low, and the nominal pressure does not exceed 2.5MPa. It is also used for transportation on pipelines with expensive, flammable and explosive media, and the nominal pressure is around PN16MPa.
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
Ladhani Metal Corporation is a well-established manufacturer and exporter of DIN 2561 duplex flanges, specifically engineered for optimal performance in low-pressure piping systems. The DIN 2561 standard specifies weld neck flanges with a nominal pressure rating of PN6, and we offer extended pressure ratings including PN10, PN16, PN25, and PN40 based on customer specifications.
Our duplex flanges are manufactured using duplex stainless steel, combining the best properties of both austenitic and ferritic steel. This unique composition ensures excellent corrosion resistance, high strength, and resistance to stress corrosion cracking in aggressive environments. These flanges are ideal for critical applications in industries such as chemical processing, petrochemical, marine, and offshore oil and gas sectors.
Flange types:
• Weld neck flanges: Suitable for high-integrity, high-stress piping systems
• Raised face (RF): Designed to improve gasket performance and create leak-proof sealing
• Flat face (FF): Ideal where mating surfaces are brittle or non-metallic
Grades, chemical composition, and applications:
Duplex Stainless Steel 2205 (UNS S32205)
Chemical composition:
Chromium (Cr): 22.0 – 23.0%
Nickel (Ni): 4.5 – 6.0%
Molybdenum (Mo): 3.0 – 3.5%
Iron (Fe): Balance
Manganese (Mn): ≤ 2.0%
Silicon (Si): ≤ 1.0%
Carbon (C): ≤ 0.03%
Nitrogen (N): 0.14 – 0.2%
Phosphorus (P): ≤ 0.035%
Sulfur (S): ≤ 0.02%
Applications:
Duplex Stainless Steel 2205 is ideal for applications requiring high strength and excellent resistance to pitting and crevice corrosion, especially in environments with chloride exposure.
Duplex Stainless Steel 2507 (UNS S32750)
Chemical composition:
Chromium (Cr): 24.0 – 26.0%
Nickel (Ni): 6.0 – 8.0%
Molybdenum (Mo): 3.0 – 5.0%
Iron (Fe): Balance
Manganese (Mn): ≤ 2.0%
Silicon (Si): ≤ 1.0%
Carbon (C): ≤ 0.03%
Nitrogen (N): 0.24 – 0.32%
Phosphorus (P): ≤ 0.03%
Sulfur (S): ≤ 0.02%
Applications:
Duplex Stainless Steel 2507 is designed for extremely harsh environments requiring superior resistance to both chloride stress corrosion cracking and general corrosion.
Key features:
• Manufactured as per DIN 2561 standard
• High dimensional accuracy and surface finish
• Custom sizes, face types, and drilling options available
Applications:
• Marine & Offshore Industries: Duplex flanges, with their excellent resistance to corrosion and stress corrosion cracking, are ideal for use in seawater applications, including subsea pipelines, offshore platforms, and desalination plants.
• Chemical Processing: Duplex flanges are well-suited for high-stress and corrosive chemical environments, making them ideal for reactors, pressure vessels, and piping systems in the chemical and petrochemical industries.
• Oil & Gas: The high strength and corrosion resistance of duplex flanges make them perfect for demanding offshore and subsea applications, such as pipelines, manifolds, and risers.
DIN 2561 duplex flanges from Ladhani Metal Corporation are an ideal choice for industries requiring superior performance, resistance to corrosion, and high strength in challenging environments. Meeting international standards and manufactured with precision, our duplex flanges are the preferred solution for a wide range of applications in various sectors. For technical details, pricing, or bulk inquiries, contact Ladhani Metal Corporation.
Ladhani Metal Corporation is a reputed manufacturer and exporter of DIN 2561 stainless steel flanges, precisely engineered for low-pressure piping systems. DIN 2561 specifies weld neck flanges with a nominal pressure rating of PN6. However, we also offer these flanges in extended pressure classes including PN10, PN16, PN25, and PN40, based on customer specifications.
Our flanges are manufactured using high-quality stainless steel, providing excellent corrosion resistance, strength, and durability across various industries such as chemical, petrochemical, water treatment, and marine applications.
Flange types:
Weld neck flanges: suitable for high-stress, high-temperature applications
Raised face (RF): used to improve gasket sealing and ensure leak-proof connections
Flat face (FF): ideal where the mating flange material is brittle or non-metallic
Grades, chemical composition and applications:
Stainless Steel 304
Chemical composition:
Carbon (C): ≤ 0.08%
Silicon (Si): ≤ 1.00%
Manganese (Mn): ≤ 2.00%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.030%
Chromium (Cr): 18.0 – 20.0%
Nickel (Ni): 8.0 – 10.5%
Applications:General-purpose use in water pipelines, structural supports, and food-grade equipment. Common in storage tanks, dairy and beverage plants, and domestic plumbing. Suitable for mildly corrosive environments where hygiene and ease of cleaning are important
Stainless Steel 316
Chemical composition:
Carbon (C): ≤ 0.08%
Silicon (Si): ≤ 1.00%
Manganese (Mn): ≤ 2.00%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.030%
Chromium (Cr): 16.0 – 18.0%
Nickel (Ni): 10.0 – 14.0%
Molybdenum (Mo): 2.0 – 3.0%
Applications:Ideal for harsh environments such as chemical processing, marine applications, and offshore platforms.Excellent resistance to chlorides, acids, and saline water. Common in pharmaceuticals, desalination plants, food processing, and coastal infrastructure
Stainless Steel 321
Chemical composition:
Carbon (C): ≤ 0.08%
Silicon (Si): ≤ 1.00%
Manganese (Mn): ≤ 2.00%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.030%
Chromium (Cr): 17.0 – 19.0%
Nickel (Ni): 9.0 – 12.0%
Titanium (Ti): 5xC – 0.70%
Applications: Suitable for high-temperature service including heat exchangers, furnace parts, and exhaust systems. Excellent resistance to oxidation and intergranular corrosion in thermal cycling conditions. Preferred in oil refineries, petrochemical plants, and industries requiring temperature resistance up to 900°C
Key features:
Manufactured as per DIN 2561 standard
High dimensional accuracy and surface finish
Custom sizes, face types, and drilling options available
Conclusion:
DIN 2561 stainless steel flanges from Ladhani Metal Corporation are a reliable choice for industries demanding performance, safety, and long-term durability. With availability in key grades like 304, 316, and 321, and compliance with international standards, these flanges are well-suited for a wide range of industrial applications. Backed by precision manufacturing and stringent quality control, Ladhani flanges ensure seamless integration into any piping system. For technical details, pricing, or bulk inquiries, contact Ladhani Metal Corporation.
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