Mild Steel Flanges Manufacturers

Top Quality Mild Steel Flanges in Mumbai

Exploring the Strength of Randhir Metal And Alloys Pvt. Ltd. Mild Steel Flanges

Embark on a journey into the realm of mild steel flanges with Randhir Metal And Alloys Pvt. Ltd., where quality meets precision. Crafted from high-grade mild steel, our Mild Steel Flanges in Mumbai exhibit exceptional features tailored to meet diverse industrial needs. With a compact size of 1/2 inch and adherence to material standards such as ASTM A182 and ANSI B16.5, our mild steel flanges epitomize strength, resilience, and reliability. Embodying durability and versatility, our flanges stand as a testament to excellence in Mumbai and beyond.

  • Size: 1/2 inch
  • Material Standard: ASTM A182 and ANSI B16.5
  • Usage/Application: All Usage
  • Type: Round
  • Rated Pressure: 5 KGS TO 16 KGS PRESSURE
  • Shape: Round
  • Minimum Order Quantity: 1 NOS TO ABOVE
  • Country of Origin: Made in India
Versatile Applications of Mild Steel Flanges

Buy from Mild Steel Flanges Manufacturers in Mumbai

In various industries and applications, mild steel flanges play a crucial role in ensuring seamless operations. From construction sites to manufacturing plants, our flanges find versatile applications in connecting piping systems and facilitating fluid flow. They are instrumental in supporting structural frameworks, maintaining pressure vessels, and enabling efficient transportation of fluids and gases. As one of the leading Mild Steel Flanges Manufacturers in Mumbai, we ensure to delivery of the best product to our customers, backed by our commitment to excellence. With their compact size and robust construction, our mild steel flanges provide reliable solutions to meet the demands of modern industrial processes.

  • Construction Sites: Supporting structural frameworks
  • Manufacturing Plants: Connecting pipeline systems
  • Pressure Vessels: Maintaining structural integrity
Precise Specifications for Optimal Performance

Looking for Mild Steel Weld Neck Flange Suppliers in India?

Here, we adhere to stringent specifications to deliver mild steel flanges that meet the highest industry standards. Being one of the finest Mild Steel Weld Neck Flange Suppliers in India, we offer the best in class products to our customers. Manufactured with precision and attention to detail, our flanges undergo thorough testing to ensure compliance with ASTM requirements. With a rated pressure ranging from 5 KGS to 16 KGS and a round shape designed for optimal performance, our mild steel flanges guarantee compatibility and reliability in a wide range of applications. Whether it's for low-pressure systems or critical industrial processes, our flanges deliver consistent performance and peace of mind.

Material Specification Of : Alloy Steel Flanges
Standard Cover : pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing
Contact Faces RTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female)
Size Chart Normal Pipe Size 1/2 to NPS 24"
Thickness Normal Pipe Size ≤ 18
Bore Diameter Normal Pipe ≤ 10
Flanges Standards EN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN
Pressure Rating Class 150 To Class 2500
High Temperature Above 200°C (400°F) For Class 150 Or Above 400°C (750°F)
Low Temperature Above -29 Degree C (−20°F)
Common Types Of Flanges: Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF)
Special Types Of Flanges : Nipoflange, Elboflange, Latroflange, Swivel Flange, Expanding Flange, Reducing Flange, Weldoflange
Marking Standard Name of Manufacturer
Schedule
Type of Flange Facing
Nominal Pipe Size
Pressure Class
ASME B16 Designation
Bolt Type high strength bolts
medium strength bolts
low strength bolts
European Standard Flanges JIS B2220 Flanges (5k to 30k) and KS1503 flanges
Russian-Standard Flanges GOST 12820 / 12821-80, DIN, UNI, EN 1092-1
South African Standard Flanges SANSflanges And SABS flanges
Surface Finish smooth, concentric serrated, stock
Gaskets Types Full Face Gasket
Flat Ring Gasket
Metallic Ring Gakset
Advantages Of Pipe Flange Used to Connect Pipe System
Easy Repair Pipe System
Assembled Without Welding
ASTM A105 Carbon Steel Blind Flange Price List
TYPE OF FLANGES SIZE (INCH) MATERIAL GRADE CLASS PRICE IN INDIA (INR)
BLIND FLANGES 3/4" ALLOY STEEL ASTM A182 F5 CLASS 150 160.00
BLRF 1" ALLOY STEEL ASTM A182 F5 CLASS 150 150.32
BLRF 1-1/2" ALLOY STEEL ASTM A182 F5 CLASS 150 210.00
BLRF 2" ALLOY STEEL ASTM A182 F5 CLASS 150 300.00
BLRF 3" ALLOY STEEL ASTM A182 F11 CLASS 150 379.76
SLIP ON FLANGES 2" ASTM A182 F11 ALLOY STEEL CLASS 150 240.34
SORF 3" ASTM A182 F11 ALLOY STEEL CLASS 150 406.34
SORF 10" ASTM A182 F11 ALLOY STEEL CLASS 150 4500.34
WELD NECK FLANGES 2" X SCH STD ASTM A182 F22 ALLOY STEEL CLASS 150 400.00
WNRF 3" X SCH STD ASTM A182 F22 ALLOY STEEL CLASS 150 665.00
WNRF 4" X SCH STD ASTM A182 F22 ALLOY STEEL CLASS 150 799.00
WNRF 6" X SCH STD ASTM A182 F22 ALLOY STEEL CLASS 150 1505.00
SOCKET WELD FLANGES 3/4" X SCH XS ASTM A182 F22 ALLOY STEEL CLASS 150 199.00
SWRF 1" X SCH XS ASTM A182 F22 ALLOY STEEL CLASS 150 295.76
SWRF 1-1/2” X SCH XS ASTM A182 F22 ALLOY STEEL CLASS 150 480.00

ASTM A182 AS Flanges Equivalent Table

Group Of Material Name Type Of UNS Number Forging Specification Casting Specification Equivalent DIN Number DIN WNR. Number Application For
Alloy Steel Moly Steel C-1/2Mo K12822 A182-F1 cl2 A217-WC1 15M03 1.5415 Up to 470ºC* (875ºF)
Chrome Moly 1.1/4Cr-1/2Mo K11572 ASTM A182-F11 cl2 A217-WC6 13CRM044 1.7335 Up to 593ºC (1100ºF)
2.1/4Cr-1Mo K21590 ASTM A182-F22 cl3 A217-WC9 10CRM0910 1.7380 Up to 593ºC (1100ºF), HP steam
5Cr-1/2Mo K41545 ASTM A182-F5/F5a A217-C5 12CRMO195 1.7362 High temp refinery service
9Cr-1Mo K90941 ASTM A182-F9 A217-C12 X 12 CrMo 9 1 1.7386 High temp erosive refinery service
9Cr-1Mo-V ASTM A182-F91 A217-C12A X 10 CrMoVNb 9 1 1.4903 High pressure steam

Hight Alloy Steel Flange Pressure Rating Class

ANSI/ASME B16.5 Alloy Steel Flanges Pressure Rating
Temperature °F Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-20 to 100 265 695 925 1390 2085 3470 5785
200 260 680 905 1360 2035 3395 5660
300 230 655 870 1305 1955 3260 5435
400 200 640 855 1280 1920 3200 5330
500 170 620 830 1245 1865 3105 5180
600 140 605 805 1210 1815 3025 5040
650 125 590 785 1175 1765 2940 4905
700 110 570 755 1135 1705 2840 4730
750 95 530 710 1065 1595 2660 4430
800 80 510 675 1015 1525 2540 4230
850 65 485 650 975 1460 2435 4060
900 50 450 600 900 1350 2245 3745
950 35 280 375 560 845 1405 2345
1000 20 165 220 330 495 825 1370

ASME A182 Alloy Steel Flanges Chemical Composition

Properties Of Element Low Alloy Steel Flanges Medium Alloy Steel Flanges
ASTM A182 F11 Class 2 ASTM A182 F22 Class 3 ASTM A182 F5 ASTM A182 F9
CARBON 0.10-0.20 0.05-0.15 0.15 MAXIMUM 0.15 MAXIMUM
MANGANESE 0.30-0.80 0.30-0.60 0.30-0.60 0.30-0.60
PHOSPHORUS MAXIMUM 0.040 0.040 0.03 0.030
SULFUR MAXIMUM 0.040 0.040 0.03 0.030
SILICON 0.50-1.00 0.50 MAXIMUM 0.50 MAXIMUM 0.50-1.00
NICKEL MAXIMUM 0.50
CHROMIUM 1.00-1.50 2.00-2.50 4.00-6.00 8.0-10.0
MOLYBDENUM 0.44-0.65 0.87-1.13 0.44-0.65 0.90-1.10
OPPER MA
COLUMBIUM MAXIMUM
VANDIUM MAXIMUM
TENSILE STRENGTH PSI (MPA) 70,000 (485) 75,000 (515) 70,000 (485) 85,000 (585)
YIELD STRENGTH PSI MINIMUM 40,000 (275) 45,000 (310) 40,000 (275) 55,000 (380)
ELONGATION 2” % MINIMUM 20 20 20 20
REDUCTION AREA % MINIMUM 30 30 35 40
HARDNESS (HB) MAXIMUM* 143 ~ 207 156 ~ 207 143 ~ 217 179 ~ 217

Alloy Steel Blind Flange Mechanical Properties

Gr. Tensile Strength Yield Strength (0.2%Offset) Elongation
ASTM/ASME A182 F1 275 485 20 %
ASTM/ASME A182 F5 275 485 20 %
ASTM/ASME A182 F9 380 585 20 %
ASTM/ASME A182 F11 205 415 20 %
ASTM/ASME A182 F12 275 485 20 %
ASTM/ASME A182 F22 205 415 20 %
ASTM/ASME A182 F91 380 585 20 %
 

AS 2129 Flanges Tolerance Chart

Alloy Steel Flanges Tolerance
A Outside Diameter (O.D.)
  • When Outside Diameter (O.D.) is 24" or less: ±1/16" (1.6 mm)
  • When Outside Diameter (O.D.) is over 24": ±1/8" (3.2 mm)
D Inside Diameter
  • 10" and smaller: ±1/32" (0.8 millimeter)
  • 12" thru 18": +1/8" (3.2 millimeter)
  • 20" and larger: -1/16" (1.6 millimeter)
B Diameter of contact face
  • 1/16" raised face: ±1/32" (0.8 millimeter)
  • 1/4" Raised Face (RF), Tongue & Groove (T/G), (male & female), (m/f): ±1/64" (0.4 mm)
J Diameter of hub at base
  • When hub base is 24" or smaller: ±1/16" (1.6 millimeter)
  • When hub base is over 24": ±1/8" (3.2 millimeter)
H Diameter of hub at point of welding
  • 5" and smaller: +3/32" (2.4 millimeter), -1/32" (0.8 millimeter)
  • 6" and larger: +5/32" (4.0 millimeter), -1/32 (0.8 millimeter)
P Drilling
  • Bolt circle: ±1/16" (1.6 millimeter)
  • Bolt hole spacing: ±1/32" (0.8 millimeter)
Eccentricity of bolt circle with respect to facing
  • 2 1/2" and smaller ±1/32" (0.8 millimeter) max.
  • 3" and larger ±1/16" (1.6 millimeter) max.
C Thickness
  • 18" and smaller: ±1/8" (3.2 millimeter), -0"
  • 20" and larger: ±3/16" (4.8 millimeter), -0"
K Length of hub
  • 10" and smaller: ±1/16" (1.6 millimeter)
  • 12" and larger: ±1/8" (3.2 millimeter)

Alloy Steel Weld Neck Flange Gasket Size Chart

NPS Gasket I.D. Gasket O.D.
Class 150 Class 300 Class 400 Class 600 Class 900
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625
Benefits of Choosing Randhir Metal And Alloys Pvt. Ltd. Mild Steel Flanges

Most Trusted Mild Steel Weld Neck Flange Exporters in India

Opting for our mild steel flanges offers a multitude of benefits that enhance industrial efficiency and reliability. With their compact size and high-pressure tolerance, our flanges ensure long-lasting performance, minimizing downtime and maintenance costs. Additionally, their versatility and compatibility with different applications provide flexibility in design and installation. Furthermore, our commitment to quality assurance and customer satisfaction ensures that we remain the preferred choice for mild steel flanges in Mumbai and across India. As one of the most reputed Mild Steel Weld Neck Flange Exporters in India, we offer a wide range of products to choose from.

  • Compact Size: Easy to install and suitable for tight spaces
  • HighPressure Tolerance: Suitable for various applications with different pressure requirements
  • Reliability: Commitment to quality assurance, and peace of mind for industrial applications
All Category Range

Stainless Steel Flanges

Delve into the realm of stainless steel flanges with Randhir Metal And Alloys Pvt. Ltd., where quality meets precision. Crafted from premium stainless steel, our Stainless Steel Flanges in Mumbai exhibit exceptional features that cater to a multitude of industrial needs. Available in various sizes ranging from 01 inch to >30 inches and adhering to material standards such as ASTM A105, ASTM A182, and ANSI B16.5, our flanges boast durability, reliability, and versatility. With a choice of brown, green, or silver colors and curved, rectangular, or flat shapes, our flanges seamlessly integrate into diverse piping systems, enhancing efficiency and performance.

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Carbon Steel Flanges

Exploring the durability and reliability of carbon steel flanges unveils a world of possibilities with Randhir Metal And Alloys Pvt. Ltd.. Crafted from premium-grade carbon steel, our Carbon Steel Flanges in Mumbai boast exceptional features that cater to diverse industrial needs. Available in sizes ranging from 0.5inch NB to 60inch NB and adhering to material standards such as ASTM A105, ASTM A182, and ASTM A351, our flanges are synonymous with strength, resilience, and performance. With a focus on quality and precision, our carbon steel flanges stand as the epitome of reliability in Mumbai and beyond.

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Nickel Alloy Flanges

Dive into the world of nickel alloy flanges with Randhir Metal And Alloys Pvt. Ltd., where quality meets precision. Crafted from top-grade nickel alloy, our Nickel Alloy Flanges in Mumbai boast exceptional features that cater to diverse industrial needs. With a size range of 510 inches and adherence to material standards such as ANSI B16.5, our nickel alloy flanges epitomize strength, resilience, and performance. Embodying durability and reliability, our flanges stand as a testament to excellence in Mumbai and beyond.

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Duplex Steel Flanges

Embark on a journey into the realm of duplex steel flanges with Randhir Metal And Alloys Pvt. Ltd., where quality meets precision. Crafted from premium-grade duplex steel, our flanges boast exceptional features tailored to meet diverse industrial needs. With adherence to material standards such as ASTM A105 and a sleek round shape, our Duplex Steel Flanges in Mumbai epitomize strength, resilience, and reliability. Embodying durability and versatility, our flanges stand as a testament to excellence in Mumbai and beyond.

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Super Duplex Flanges

Embark on a journey into the realm of super duplex flanges with Randhir Metal And Alloys Pvt. Ltd., where quality meets precision. Crafted from top-grade materials and adhering to ASTM A105, ASTM A182, ASTM A351, and ANSI B16.5 standards, our Super Duplex Flanges in Mumbai exhibit exceptional features tailored to meet diverse industrial needs. With a variety of sizes ranging from 01 inch to >30 inches and a bright surface finish, our super duplex steel flanges stand as a symbol of strength, resilience, and reliability. Embodying durability and versatility, our flanges stand as a testament to excellence in Mumbai and beyond.

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Hastelloy Flanges

Embark on a journey into the realm of Hastelloy flanges with Randhir Metal And Alloys Pvt. Ltd., where quality meets precision. Crafted with expertise and precision, our Hastelloy Flanges in Mumbai stand as a testament to excellence in Mumbai and beyond. With our commitment to delivering top-notch products, we ensure that our Hastelloy flanges meet the highest industry standards. We are dedicated to providing superior quality Hastelloy flanges to meet the diverse needs of our customers.

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Inconel Flanges

At Randhir Metal And Alloys Pvt. Ltd., we take pride in offering a wide range of high-quality Inconel Flanges that are tailored to meet the diverse needs of industries across Mumbai and beyond. Our Inconel Flanges in Mumbai stand out for their exceptional features, making them a preferred choice for critical applications.

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