Alloy Steel Flanges Manufacturer, Supplier, and Exporter
Manufacturer and Supplier
ANSI - B16.5, ASTM - A182
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Table Of Content
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What are Alloy Steel Flanges?What are Alloy Steel Flanges?
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Types of Alloy Steel FlangesTypes of Alloy Steel Flanges
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Specifications of Alloy Steel FlangesSpecifications of Alloy Steel Flanges
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Technical SpecificationsTechnical Specifications
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Chemical PropertiesChemical Properties
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Mechanical PropertiesMechanical Properties
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Physical PropertiesPhysical Properties
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Industrial Applications of Alloy Steel FlangesIndustrial Applications of Alloy Steel Flanges
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Why Choose Bhagyalakshmi Industrial?Why Choose Bhagyalakshmi Industrial?
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FAQSFAQS
Among the alloy metal flanges manufacturers in India one of the popular is Bhagyalakshmi Industrial. They are renowned for handing over excellent and precision-engineered flanges that cater to diverse industrial packages. Besides, it’s one of the alloy metallic flanges providers and alloy metallic flanges exporter that gives a huge range of alloy steel flanges designed to face up to high strain, temperature, and corrosive environments.
Possessing modern day production facilities and strict high-quality control approaches, we at Bhagyalakshmi Industrial, a main Alloy Steel Flanges Manufacturer in India promise to deliver products that meet global standards including ASME, ANSI, and DIN. Besides, our understanding as alloy metallic pipe flanges producers in India permits us to offer customized solutions for numerous sectors together with oil
Above all, we at Bhagyalakshmi Industrial seek to provide 100% premium Alloy Steel Flanges which are supported by technical excellence, timely delivery, and quality global export capabilities. Our final goal is to continue being a trusted source that offers durable and efficient alloy steel flange solutions worldwide.
What are Alloy Steel Flanges?
Typically, Alloy Steel Flanges are mechanical additives used to connect pipes, valves, pumps, and different systems in a piping device. These widely used flanges are synthetic, the usage of alloy metallic, that’s a combination of carbon metallic and other alloying factors. These consist of chromium, nickel, molybdenum, vanadium, and manganese. It is because of those elements that provide Alloy Steel Flanges offer mechanical strength, excessive corrosion resistance, and warmth tolerance.
Types of Alloy Steel Flanges
It is based on the design and application that Alloy Steel Flanges have been engineered with ‘Precision’ into various types. They are as given below:
- Weld Neck Flanges
- Slip-On Flanges
- Socket Weld Flanges
- Blind Flanges
- Threaded Flanges
- Lap Joint Flanges
- Long Weld Neck Flanges
- Reducing Flanges
- Orifice Flanges
Specifications of Alloy Steel Flanges
The comprehensive details of Alloy Steel Flanges are given below in tabular formats:
Technical Specifications
| Property Type | Specification |
|---|---|
| Grades | ASTMF1, F5, F9, F11, F22, F91 A182 |
| Standard | B16.47, B16.48, MSS-SP-44 ANSI / ASME B16.5 |
| Size Range | ½” to 48” |
| Pressure Ratings | Class 150 |
Chemical Properties
| Element | F5 | F9 | F11 | F22 | F91 |
|---|---|---|---|---|---|
| Carbon | 0.15 max | 0.15 max | 0.05–0.15 | 0.05–0.15 | 0.08–0.12 |
| Manganese (Mn) | 0.30–0.60 | 0.40–0.65 | 0.30–0.60 | 0.30–0.60 | 0.30–0.60 |
| Silicon (Si) | 0.50 max | 0.50 max | 0.50–1.00 | 0.50 max | 0.20–0.50 |
| Chromium (Cr) | 4.0–6.0 | 8.0–10.0 | 1.0–1.5 | 1.90–2.60 | 8.0–9.5 |
| Molybdenum (Mo) | 0.40–0.65 | 0.90–1.10 | 0.44–0.65 | 0.87–1.13 | 0.85–1.05 |
| Phosphorus (P) | 0.03 max | 0.03 max | 0.03 max | 0.02 max | |
| Sulfur (S) | 0.03 max | 0.03 max | 0.03 max | 0.03 max | 0.01 max |
| Nickel (Ni) | – | – | – | – | 0.40 max |
| Vanadium (V) | – | – | – | – | 0.18–0.25 |
| Nitrogen (N) | – | – | – | – | 0.03 max |
Mechanical Properties
| Property | F5 | F9 | F11 | F22 | F91 |
|---|---|---|---|---|---|
| High Strength (MPa) | ≥ 415 | ≥ 380 | ≥ 415 | ≥ 415 | ≥ 585 |
| Yield Strength (MPa) | ≥ 205 | ≥ 205 | ≥ 205 | ≥ 205 | ≥ 415 |
| Elongation (%) | ≥ 20 | ≥ 20 | ≥ 20 | ≥ 20 | ≥ 20 |
| Hardness (HB max) | 197 | 197 | 197 | 197 | 250 |
Physical Properties
| Property | Typical Value |
|---|---|
| Density | ~7.7 – 7.9 g/cm³ |
| Melting Point | ~1425 – 1510 °C |
| Thermal Conductivity | ~24 – 30 W/m·K |
| Specific Heat Capacity | ~460 J/kg·K |
| Electrical Resistivity | ~0.2 µΩ·m |
| Modulus of Elasticity | ~190 – 210 GPa |
Types of Alloy Steel Flanges

ALLOY STEEL SLIP ON FLANGES
Alloy Steel Slip on Flanges, Alloy Steel SORTJ Flanges, Chrome Moly SOFF Flange, Alloy Steel SORF Flanges Manufacturer, ASTM A182 Alloy Steel Slip On Flanges, ASME SA182 Alloy Steel Slip on Flanges Supplier in Mumbai, India.

ALLOY STEEL WELD NECK FLANGES
Alloy Steel Welding Neck Pipe Flange, ASTM A182 Alloy Steel Weld Neck Flanges, Alloy Steel WNFF Flange, Alloy Steel WNRF Flanges Manufacturer, Chrome Moly WNRTJ Flange, ASME SA182 Alloy Steel Welding Neck Flanges Supplier in Mumbai, India.

ALLOY STEEL SOCKET WELD FLANGES
Chrome Moly SWRTJ Flanges, Alloy Steel RFSW Flange, ASTM A182 Alloy Steel Socket Weld Flanges, Alloy Steel SWRF Flanges, Alloy Steel SWFF Flanges Manufacturer, ASME SA182 Alloy Steel Socket Weld Flanges Supplier in Mumbai, India.

ALLOY STEEL BLIND FLANGES
Chrome Moly BLFF Flange, ASTM A182 Alloy Steel Blind Flanges, Alloy Steel RFBL Flanges, Alloy Steel BLRF Flanges, Alloy Steel BLRTJ Flanges Manufacturer, ASME SA182 Alloy Steel Blind Flanges Supplier in Mumbai, India.

ALLOY STEEL LAP JOINT FLANGES
Alloy Steel LJFF Flanges Manufacturer, Chrome Moly LJRF Flanges, Alloy Steel LJ Flange, Alloy Steel Lapped Joint Pipe Flange, ASTM A182 Alloy Steel Lap Joint Flanges, ASME SA182 Alloy Steel Lap Joint Flanges Supplier in Mumbai, India.

ALLOY STEEL RING TYPE JOINT FLANGES
ASTM A182 Alloy Steel Ring Type Joint Flanges, Chrome Moly RTJF Flanges, Alloy Steel Ring Type Joint Flange, Alloy Steel Ring Type Joint Pipe Flanges, Alloy Steel RTJ Flanges Manufacturer, ASME SA182 Alloy Steel Ring Type Joint Flanges Supplier in Mumbai, India.

ALLOY STEEL THREADED FLANGES
Alloy Steel Screwed Flange, ASTM A182 Alloy Steel Threaded Flanges, Chrome Moly Raised Face Screwed Flanges, Alloy Steel Threaded Pipe Flanges, Alloy Steel Screwed Flanges Manufacturer, ASME SA182 Alloy Steel Threaded Flanges Supplier in Mumbai, India.
Industrial Applications of Alloy Steel Flanges
- Power Generation
- Oil and Gas Industry
- Chemical and Petrochemical Industries
- Aerospace and Aviation
- Shipbuilding and Marine Industry
- Pulp and Paper Industry
- Medical and Food Industry
- Water Treatment and Desalination
Pricing of Alloy Steel Flanges:
The price of Alloy Steel Flanges are generally dependent on various factors which include material grade, size, pressure rating, type, and market conditions. To know more about the cost of 100% premium Alloy Steel Flanges you need to visit https://bhagyalaxmiindustrial.com/ ‘To Get A Quote’
Why Choose Bhagyalakshmi Industrial?
- Provision of manufacturing excellence
- Vigorous Quality Assurance
- Offering of Customized Solutions
- Wide Product Range availability
- Certifications & Compliance
- Efficient and Reliable Customer Support
Faqs
1. What grades of alloy steel are used for flange manufacturing?
Typically, at Bhagyalakshmi Industrial, a leading Alloy Steel Flanges Manufacturer in India we offer 100% Premium affordable Alloy Steel Flanges using a wide range of high-performance alloy steel grades to meet diverse industrial standards and applications. They are as follows:- ASTM A182 F1, F5, F9, F11, F12, F22, and F91
- Low Alloy Steels (along with Chrome-Moly grades)
- Low Alloy Steels (such as Chrome-Moly grades)
- SA 182 Grade F304, F316 (when alloyed with other elements)
2. What is the difference between alloy steel and chrome moly flanges?
There are several differences between Alloy Steel and Chrome Moly that you understand. They are given in a table below:| Feature | Alloy Steel Flanges | Chrome Moly Flanges |
|---|---|---|
| Definition | Flanges made from steel alloyed with one or more elements | A specific type of alloy steel flange containing chromium and molybdenum |
| Key Alloying Elements | Varies: Nickel, Manganese, Chromium, Vanadium, Molybdenum | Primarily Chromium (Cr) and Molybdenum (Mo) |
| Common Grades | ASTM A182 F1, F5, F9, F91, etc. | ASTM A182 F11, F22, F91 |
| Temperature Resistance | Good (varies with alloy composition) | Excellent for high-temperature applications |
| Pressure Handling | Good (depends on grade) | Superior pressure resistance |
| Corrosion Resistance | Moderate to High (depends on alloy) | |
| Moderate to High (depends on alloy) | High, especially against oxidation and chemical exposure | |
| Applications | General industrial use, piping systems, structural components | Power plants, oil & gas, petrochemical, high-temperature services |
| Cost | Generally lower (grade-dependent) | Typically higher due to enhanced properties |
| Strength & Durability | Strong and tough | Higher tensile strength and long-term durability under stress |
3. Are your alloy steel flanges compatible with ASME and ANSI standards?
Yes at Bhagyalakshmi Industrial we manufacture Alloy Steel Flanges that are honestly nicely applicable with each ASME (American Society of Mechanical Engineers) and ANSI (American National Standards Institute) requirements. All our flanges are made in accordance with ASME B16.5, B16.Forty seven, and different relevant ANSI specifications. This we do to make certain excessive-overall performance and guarantee safety in immoderate-stress piping systems.4. What sizes and pressure ratings are available?
We at Bhagyalakshmi Industrial, offer you a comprehensive range of alloy steel flanges in various sizes and pressure ratings. So that diverse industrial requirements can be met. They are given below:- Sizes: Nominal Pipe Size (NPS): ½” to 48″, Outer Diameter (OD) as consistent with ASME B16.5 / B16.47 requirements, and customised dimensions available on request
- Pressure Ratings: They consist of Class a hundred and fifty, Class 300, Class 600, Class 900, Class 1500, Class 2500, and PN Ratings from PN6 to PN64
5. Do you export alloy steel flanges globally?
Yes we at Bhagyalakshmi Industrial do export Alloy Steel Flanges to shoppers around the arena. We are a top Alloy Steel Flanges Manufacturer in India who cater to customers belonging to a listing of nations. They include the USA, Europe, the Middle East, Africa, Southeast Asia, and South America. We make certain that your flanges comply with international requirements along with ASME, ANSI, DIN, and EN.6. What is the delivery timeline for bulk flange orders?
Usually, we at Bhagyalakshmi Industrial, a leading Alloy Steel Flanges Manufacturer in India deliver to your premium Alloy Steel Flanges on a timeline that will depend on the following factors:- Custom-Made Flanges
- Standard Sizes & Stocked Items
- Export Orders
More importantly, we offer you reliable logistics aid for each home and international shipments, making sure that your bulk orders attain you as scheduled.
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