Flange Standard System

Our Ring Joint Flanges are designed in compliance with international quality standards. These are widely acknowledged for high strength, durability, reliability, corrosion resistance and close tolerance levels. Our ring joint flanges find varied application in chemical, engineering and construction industries. We also specialize in customizing our range as per the specific requirements of customers.

Product Details:
Usage/Application Oil Industry
Material Carbon Steel, Stainless Steel, Mild Steel, Alloy Steel
Material Standard ASTM A351, ASTM A182
Size 0-1 inch, 1-5 inch, 20-30 inch, 10-20 inch, 5-10 inch
Type Blind Flange
Color Silver, Grey, Black, Metallic Grey
We work to please our valuable customers with our excellent quality product range. Our Stainless Steel Blind Flanges is perfect in dimension and flawlessly finished. Our offered range of products including Stainless Steel Blind Flanges is obtained after the use of superior quality raw material processed in high advanced machinery and equipments. We have given extra fine finishing to our final product range to attain maximum satisfaction of our clients.

Product Details:
Usage/Application Industrial
Type Lap Joint Flanges
Size 1-5 inch, 0-1 inch, 20-30 inch, 5-10 inch, 10-20 inch
Material Standard ASTM A182, ANSI B16.5, ASTM A351, ASTM A105
Rated Pressure (Bar) 2500
I Deal In New Only
Material Stainless Steel
Country of Origin Made in India

We can offer vide range of Lap Joint Flanges from ready stock or on make to order basis are currently supplying to UK, Iran(Tehran), Saudi Arabia, Spain, Bahrain, Nigeria, Dubai, Egypt, Malaysia, etc. Various steel products such as Angles, Channels, Beams, Billets, Blooms, Round Bars, Square Bars, Rectangular Bars, Flat Bars, Forged Bars, Rolled Bars, Concast Bars, Pipe Fittings, Elbow, Tee, Reducer, Cross, Stub End, End Caps, Forged Stampings, Pipes, Tube, Tubing, Fasteners, Bolts, Nuts, Washers, Screws, Studs, Plates, Sheets, Coil, etc.

Flange Standards: API 6A, ANSI, ASME, DIN, EN1092-1, UNI, JIS/KS, BS4504, GB, AWWA C207, GOST, PSI.

Specifications: Can offer Lap Joint Flanges as cast, forged, normalized, annealed, quenched (hardened) tempered condition with black or bright (proof machined) finish.

Various type of IBR approved Flanges that can be procured are as follows: Blind, Slp-On, Welding Neck (Weldneck), Long Welding Neck (LWN), Socket Weld, Lap Joint, Threaded, Spectacle Blind, Plate, Collar, Flat Face, Raised Face, Ring Type Joint, etc.

Size range of flanges that can be offered are �½â?? inch upto 60â?? inch depending on type, class grade of flanges.

Class of flanges: #150, #300, #400, #600, #900, #1500, #2500

Carbon Steel: ASTM A350 LF2, ASTM A105N, 224Gr.490, A737Gr.B, K03011, 1.0566, TStE355, A510FP1, FeE355-3, K03504, 1.0460, P250GH, C22.8

Alloy Steel: 4130, 708A30, G41300, 1.7218, 25CrMo4, 30CD4, 30CrMo4, SCM420, 30ChM, 4340, ASTM A387 Grade P1, A387 Grade P5, A387 Grade P9, A387 Grade P11, A387 Grade P12, A387 Grade P22, A387 Grade P91, A182 Grade F1 Class 1, A182 Grade F5, A182 Grade F9, A182 Grade F11 Class 2,

Stainless Steel (SS): 304, 304L, 309, 310, 316, 316L, 316Ti, 317, 317L, 321, 329, 347
Duplex Steel (DSS): 2205, ASTM A182 F60, F51, UNS S32205, S31803, 1.4462, X2CrNiMoN22-5-3, AFNOR Z3CND22-05Az

Super Duplex Steel (SDSS): 2507, Zeron 100, ASTM A182 F53, F55, UNS S32750, S32760, DIN 1.4410, 1.4501
Inconel: Alloy 600, 601, 625, 690, 718, N06600, N06601, N06625, N06690, N07718, AFNOR NC 15Fe, NC19FeNb, 2.4816, 2.4851, 2.4856, 2.4668
Incoloy: Alloy 800, 800H, 800HT, 825, UNS N08800, N08825, AFNOR 25NC35-20, WFe32C20DU, 1.4876, 2.4858,
Monel: Alloy 400, K-500, 2.4360, 2.4375

Hastelloy: Alloy C276, C22 UNS N10276, N06022

Copper(Cupro) Nickel: CU-NI 90/10, CU-NI 70/30

Titanium: Alloy Grade 2, 5

Product Details:
Color Silver
Material Coper, Stainless Steel, Nickel Alloy, Carbon Steel, Copper Alloy, Mild Steel
Size 3/4 inch, 0-1 inch, 1-5 inch, 5-10 inch, 10-20 inch, 20-30 inch, 1 inch, 1/2 inch, 3 inch, 2 inch
Class 150#, 300#, 600#, 900#, 2500#
No. Of Holes 4, 8, 12
Rated Pressure (Bar) 2500
Application Gas Pipe, Structure Pipe, Pneumatic Connections, Hydraulic Pipe
Shape Round & as per drawing also
Material Standard ASTM A105, ASTM A182, ASTM A351, ANSI B16.5
Flanges available & manufactured a s per drawing provided by client in any shape & formGrades like - 202 / 304 / 304L / 316 / 316L / 309 / 310s / Inconel / Monel / Hestalloy / Brass / Bronze and many other nickela based alloys

Sample also provided for Inspection

Product Details:
Color : Silver
Material Coper, Stainless Steel, Nickel Alloy, Carbon Steel, Copper Alloy, Mild Steel
Size 3/4 inch, 0-1 inch, 1-5 inch, 5-10 inch, 10-20 inch, 20-30 inch, 1 inch, 1/2 inch, 3 inch, 2 inch
Class 150#, 300#, 600#, 900#, 2500#
No. Of Holes 4, 8, 12
Rated Pressure (Bar) 2500
Application Gas Pipe, Structure Pipe, Pneumatic Connections, Hydraulic Pipe
Shape Round & as per drawing also
Material Standard ASTM A105, ASTM A182, ASTM A351, ANSI B16.5
Flanges available & manufactured a s per drawing provided by client in any shape & formGrades like - 202 / 304 / 304L / 316 / 316L / 309 / 310s / Inconel / Monel / Hestalloy / Brass / Bronze and many other nickela based alloys

Sample also provided for Inspection

Made available by us is a wide and commendable range of Weld Neck Flanges (WNRF). All our products comes with welding neck, which is hot formed from a circular section of steel plate having a small co-axial hole in the center due to which these are durable. These products find their wide applications in engineering and construction industries because of rustproof construction, excellent finishing and lightweight.

Specifications:

Stainless Steel: ASTM A 182 and A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H and 904L
Duplex Stainless Steel: UNS S31803 and 2205
Super Duplex Stainless Steel: UNS S32750
Carbon Steel: ASTM A 105 and ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9 and F91
Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22 and C276
Copper Alloys: Copper, Brass & Gunmetal
Size: 1/8\\\\\\\" NB to 48\\\\\\\"NB
Class: 150, 300, 400, 600, 900, 1500 & 2500

Standards available:

ANSI: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36 and ANSI B16.48
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638 and DIN2673
B.S: BS4504, BS4504, BS1560 and BS10

Made available by us is a wide and commendable range of Weld Neck Flanges (WNRF). All our products comes with welding neck, which is hot formed from a circular section of steel plate having a small co-axial hole in the center due to which these are durable. These products find their wide applications in engineering and construction industries because of rustproof construction, excellent finishing and lightweight.

Specifications:

Stainless Steel: ASTM A 182 and A 240
Grade: F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H and 904L
Duplex Stainless Steel: UNS S31803 and 2205
Super Duplex Stainless Steel: UNS S32750
Carbon Steel: ASTM A 105 and ASTM A 181
Alloy Steel: ASTM A 182, GR F1, F11, F22, F5, F9 and F91
Nickel Alloys: Monel 400 & 500, Inconel 600 & 625, Incolloy 800, 825, Hastelloy C22 and C276
Copper Alloys: Copper, Brass & Gunmetal
Size: 1/8" NB to 48" NB
Class: 150, 300, 400, 600, 900, 1500 & 2500

Standards available:

ANSI: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36 and ANSI B16.48
DIN: DIN2527, DIN2566, DIN2573, DIN2576, DIN2641, DIN2642, DIN2655, DIN2656, DIN2627, DIN2628, DIN2629, DIN 2631, DIN2632, DIN2633, DIN2634, DIN2635, DIN2636, DIN2637, DIN2638 and DIN2673
B.S: BS4504, BS4504, BS1560 and BS10

DIN Standard Flanges are a type of flange that is manufactured to the DIN (Deutsches Institut Normung) standard. DIN flanges are available in a variety of styles, including slip-on, weld-neck, blind, threaded, and socket weld. They are made from a variety of materials, including carbon steel, alloy steel, and stainless steel. DIN flanges are used in a wide range of applications, including industrial piping systems, pressure vessels, and boilers.

Technical Specifications
A. Pressure rating: From PN6 to PN40.
B. Temperature rating: From -20'C to +250'C.
C. Material: Carbon Steel, Alloy Steel, and Stainless Steel.
D. Finish: DIN flanges are available in a variety of finishes, including hot dip galvanized, painted, and stainless steel.


Applications
DIN Standard Flanges are used in a wide range of applications, including:
1. Industrial piping systems
2. Pressure vessels
3. Boilers
4. Tanks
5. Valves
6. Fittings

Advantages
Some of the advantages of DIN Standard Flanges include:
I. They are manufactured to a high standard of quality.
II. They are available in a variety of styles and materials.
III. They are compatible with a variety of other piping components.
IV. They are relatively easy to install and maintain.

Specifications include a wide range of sizes, material thicknesses, and pressure ratings
Grades and Specifications
- MS Flanges (HSN Code: (730721),(73079190) in various grades such as IS 2062, ASTM A105, ASTM A36,ASTM A106,E 350 C,EN1092
- MS Circles (HSN Code: (720851),(73079190) in IS 2062, ASTM A36.
- MS Plates (HSN Code: (720851),(73079190) available in IS 2062, ASTM A3.
- 73072100: Pipe Fittings of Iron or Steel- 73079300: Carbon Steel Butt-Weld� Fittings
Grades of CS Flanges:
ASTM A105: Forged carbon steel.
ASTM A350 LF2: Low-temperature applications.
ASTM A516 Gr. 70: Pressure vessels.
ASTM A694: High-pressure use.
HSN Code:
7307.21: Flanges of iron/steel (non-stainless).
7307.29: Other pipe fittings of iron/steel.

Types of Flanges by M.R.A.C Steel Product
Slip-On Flanges
Commonly used for low-pressure applications. Easy to install and cost-effective.
Weld Neck Flanges
Ideal for high-pressure applications. Provides excellent structural integrity.
Blind Flanges
Used to seal off pipelines or create a stop. Designed for safety and reliability.
Socket� Weld Flanges
Suitable for small pipes and high-pressure systems. Ensures secure welding.
Lap Joint Flanges
Best for applications requiring frequent disassembly. Used with stub ends.
Threaded Flanges
Quick installation without welding. Suitable for small pipe sizes.
Spectacle Blinds
Two-in-one design for stopping flow or allowing it. Easy to use for maintenance.
Reducing Flanges
Designed for connecting pipes of different diameters. Ensures smooth flow.
Industries Served

*WE ALSO MANUFACTURE MATERIAL AS PER CUSTOMER REQUIRMENTS*