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Manufacturer,Stockist and Exporter of High Strength A105 Flange
High Strength A105 Flange
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Manufacturer,Stockist and Exporter of High Strength A105 Flange

High Strength A105 Flange, High Strength A105 Flange, A105 Heat Exchanger Flange, ANSI/ASME B16.47 Series B  Blind Flange, a105 blind flange, A105 Marine Flange,High Strength A105 Flange,ANSI B16.47 Series A Blind Flange

High Strength A105 Flange is a forged carbon steel flange that offers excellent mechanical strength, making it suitable for high-pressure and high-temperature applications. Engineered to ASTM A105 standards, these flanges are widely used in industries such as oil and gas, petrochemical, power generation, and marine operations. The high tensile and yield strength of the material, combined with its good weldability and machinability, makes A105 flanges a preferred choice for connecting piping systems, valves, and equipment in demanding environments.

Raj Bhoomi Engineers is a trusted and leading manufacturer, stockist, and exporter of High Strength A105 Flanges, offering a wide range of flange types including weld neck, blind, slip-on, socket weld, lap joint, and threaded flanges. With a commitment to quality and precision engineering, the company manufactures flanges using advanced forging and CNC machining techniques that meet international standards such as ASME B16.5, ASME B16.47, and MSS-SP-44.

High Strength A105 Flanges

Raj Bhoomi Engineers has a strong global footprint, exporting High Strength A105 Flanges to major international markets including Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, the USA, Canada, and several regions across Africa. Their export operations are backed by efficient logistics, professional packaging, and compliance with international certifications such as ISO, PED, and EN 10204 3.1/3.2. The company serves a wide client base including EPC contractors, refineries, offshore facilities, and large infrastructure projects.

Each flange manufactured by Raj Bhoomi Engineers undergoes rigorous quality checks including hydrostatic testing, ultrasonic inspection, dimensional accuracy verification, and material traceability. These flanges are capable of withstanding extreme pressure and thermal cycling, making them ideal for critical service applications. Coating options such as black paint, anti-rust oil, and galvanizing are also available based on environmental and project requirements.

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Specification of High Strength A105 Flange

Parameter Specification
Product Name High Strength A105 Flange
Material Grade ASTM A105 (Carbon Steel – Forged)
Size Range ½” to 60” and larger (custom sizes available)
Flange Types Weld Neck, Blind, Slip-On, Socket Weld, Threaded, Lap Joint
Design Standards ASME B16.5, ASME B16.47 Series A & B, MSS-SP-44, API 605
Pressure Classes Class 150, 300, 600, 900, 1500, 2500
Face Types RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint)
Manufacturing Process Forged, Heat Treated, CNC Machined
Hardness (Max) 187 HB (Brinell)
Temperature Range -29°C to +425°C
Testing & Inspection Ultrasonic Test, Hydro Test, PMI, Hardness, Dimensional Inspection
Certification MTC EN 10204 3.1 / 3.2, ISO, PED, IBR (if applicable)
Surface Finishes Black Paint, Anti-Rust Oil, Galvanized, Epoxy Coated
Applications Oil & Gas, Petrochemical, Power Plants, Shipbuilding, Water Treatment
Manufacturer & Exporter Raj Bhoomi Engineers
Export Destinations Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, USA, Canada, Africa, Global


In addition to their wide inventory and fast delivery timelines, Raj Bhoomi Engineers offers value-added services such as custom flange fabrication, surface finishing, and third-party inspection arrangements. Their dedication to product reliability and customer satisfaction has earned them a strong reputation in both domestic and international markets.
High Strength A105 Flanges from Raj Bhoomi Engineers provide superior performance, durability, and global reliability. With robust manufacturing capabilities and a vast export network, the company continues to support the world’s most demanding industrial sectors with high-quality flange solutions.

High Strength A105 Flange Chemical Properties

Element Composition (%) Remarks
Carbon (C) ≤ 0.35 Increases strength but affects weldability if too high
Manganese (Mn) 0.60 – 1.05 Enhances strength and hardenability
Phosphorus (P) ≤ 0.035 Controlled to improve toughness
Sulfur (S) ≤ 0.040 Lower content improves weldability
Silicon (Si) 0.10 – 0.35 Improves elasticity and strength
Copper (Cu) ≤ 0.40 (if specified) Residual element; can enhance corrosion resistance slightly
Nickel (Ni) ≤ 0.40 (if specified) Improves toughness and strength in low temperatures
Chromium (Cr) ≤ 0.30 (if specified) Enhances hardness and oxidation resistance
Molybdenum (Mo) ≤ 0.12 (if specified) Adds high-temperature strength
Vanadium (V) ≤ 0.08 (if specified) Helps refine grain structure for improved strength


High Strength A105 Flange Mechanical Properties

Property Value / Requirement Unit Remarks
Tensile Strength (min) 485 MPa Minimum required as per ASTM A105
Yield Strength (min) 250 MPa At 0.2% offset
Elongation (min) 22 % In 50 mm gauge length
Reduction of Area 30 (typical) % Indicates ductility and toughness
Hardness (max) 187 HB (Brinell) Must not exceed for compliance
Impact Toughness As per customer/project spec – Optional; required in low-temp or critical services
Operating Temp. Range -29°C to +425°C °C Suitable for both ambient and high-temperature applications

Features of High Strength A105 Flange

  • Healthy, non-toxic, and stain-free
  • High temperature and pressure resistance
  • Hot welding connection
  • Leak prevention
  • Excellent heat insulation
  • Lightweight and easy to transport
  • Smooth inner wall for reduced pressure loss
  • Low noise
  • Suitable for exposed or hidden installation
  • Chemical corrosion resistance

Available Types Of High Strength A105 Flange

A105 Pressure Vessel Flange Forged A105 Blind Flange
A105 Flange RTJ A105 RF Blind Flange
CS HEAVY BLRF FLANGE ANSI B16.47 Series A Blind Flange
ANSI B16.47 Series B Blind Flange MSS SP-44 A105 Blind Flange
A105 Schedule 160 Blind Flange ANSI/ASME B16.5 Blind Flange
ANSI/ASME B16.47 Series A(MSS SP44) Blind Flanges ANSI/ASME B16.47 Series B  Blind Flange
carbon steel slip on flanges Custom A105 Blind Flange
A105 Forged Oversized Flange A105 XXS Blind Flange

Applications Industry

  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry
  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals

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Countries we have exported our products to:

Turkey, Thailand, Bulgaria, Serbia, Mexico, Estonia, Trinidad & Tobago,Tunisia, New Zealand, Indonesia, Puerto Rico, Ireland, India, Morocco, Brazil, Lebanon, Hong Kong, Jordan, Ukraine, Switzerland, Czech Republic, Lithuania, Sri Lanka, Greece, Taiwan, Zimbabwe, Algeria, Romania, Mexico, Ghana, Italy, Philippines, Spain, United Kingdom, Finland, Azerbaijan, Japan, Macau, Israel, Saudi Arabia, Kenya, Bhutan, Poland, Poland, Costa Rica, Kuwait, Singapore, Pakistan, France, Colombia, Tibet, Bolivia, Portugal, Iraq, Australia, Kazakhstan, Nepal, Mongolia, Gambia, Malaysia, Chile, Germany, Slovakia, China, Bahrain, Denmark, Angola, Afghanistan, Peru, Austria, Ecuador, Gabon, Croatia, South Africa, Sweden, Chile, Hungary, United Arab Emirates, Argentina, Bangladesh, Oman, Egypt, United States, Belgium, Canada, Namibia, Norway, Qatar, Belarus, Netherlands.

Cities we have supplied our products to:

Bengaluru, Vung Tau, Nashik, Jaipur, Navi Mumbai, La Victoria, Al Jubail, Noida, Granada, Doha, Dammam, Ernakulam, Chandigarh, Santiago, Melbourne, Surat, Nagpur, Ranchi, Kanpur, Jakarta, Ahvaz, Indore, Jamshedpur, Muscat, Rajkot, Lahore, Chiyoda, Milan, Hong Kong, Riyadh, Houston, Busan, Calgary, Madrid, Visakhapatnam, Atyrau, Bhopal, Algiers, Colombo, Kolkata, Petaling Jaya, Dallas, London, Cairo, Thiruvananthapuram, Caracas, Howrah, Moscow, Port-of-Spain, Baroda, Mexico City, Gurgaon, Singapore, Aberdeen, Coimbatore, Kuala Lumpur, Perth, Ahmedabad, New York, New Delhi, Manama, Abu Dhabi, Montreal, Jeddah, Pune, Vadodara, Kuwait City, Chennai, Geoje-si, Tehran, Mumbai, Hanoi, Karachi, Pimpri-Chinchwad, Thane, Haryana, Ulsan, Seoul, Dubai, Ho Chi Minh City, Toronto, Hyderabad, Los Angeles, Faridabad, Lagos, Sydney, Courbevoie, Bangkok, Bogota, Rio de Janeiro, Ankara, Al Khobar, Ludhiana, Istanbul, Gimhae-si, Brisbane, Edmonton, Sharjah, Secunderabad.

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