Gunmetal Flange Stockist

Gunmetal flanges are essential components in various industries, particularly in applications involving the transportation of fluids and gases. These versatile components are made from a specific type of bronze alloy known as gunmetal, which is a combination of copper, tin, and zinc. Gunmetal flanges play a crucial role in connecting, sealing, and supporting pipes and other equipment in piping systems.

Gunmetal, the primary material for these flanges, is known for its exceptional corrosion resistance, mechanical strength, and durability. These properties make gunmetal flanges suitable for use in a wide range of environments, including those with exposure to moisture, chemicals, and high temperatures. In addition to their corrosion resistance, gunmetal flanges are also known for their resistance to biofouling, which is a common problem in marine and offshore applications.

Gunmetal flanges are available in various sizes, types, and classes, allowing them to be used in a multitude of applications. The most common types of flanges include welding neck, slip-on, blind, lap joint, and threaded flanges. Each type serves a specific purpose in a piping system, whether it’s to create a strong, leak-proof connection or to close off the end of a pipeline. The classes of gunmetal flanges are typically determined by their pressure rating, which indicates the maximum pressure they can withstand safely.

Gunmetal Flanges, Gunmetal Flanges Manufacturer, Gunmetal Flanges Supplier, Gunmetal Orifice Flange, Gunmetal Lap Joint Flange, Gunmetal Blind Flange, Gunmetal Ring Type Joint Flange in Mumbai, India.

Gunmetal Threaded Flange, Gunmetal Slip On Flange, Gunmetal Spectacle Blind Flange, Gunmetal Blank Flange, Gunmetal Nipolet Flange, Gunmetal Exhaust Flange, Gunmetal Tongue Flange, Gunmetal Plate Flange, Gunmetal Groove Flange, High Quality Groove Flanges in India.

These flanges are used in a wide range of industries, such as chemical processing, petrochemical, marine, water treatment, and oil and gas. They are crucial in the construction of pipelines, storage tanks, and other equipment that transport or contain various fluids and gases. Gunmetal flanges are also commonly used in shipbuilding, given their resistance to seawater and harsh marine environments.

When installing gunmetal flanges, it’s essential to ensure they are properly aligned and tightened to prevent leaks and maintain the integrity of the piping system. Proper gaskets and bolting materials must be chosen to achieve a reliable and leak-free connection.

Specification For Gunmetal Flanges

Size Range 1/2″ to 48″
Chart of Pressure Rating 300 LBS, 2500 LBS, 1500 LBS, 900 LBS, 150 LBS, 600 LBS
JIS 40 K, 16 K, 5K, 10 K, 30 K, 20 K, 63 K
DIN Pressure Calculation 25Bar 40Bar 16Bar 6Bar 10Bar / PN64 PN10 PN25 PN16 PN6 PN40
Manufacturer of Connect / Flange Face Type LJF, RF, RTJ, FF, Small Tongue, Large Tongue & Groove
Test< Magnetic particle detector, X-ray detector, Ultrasonic flaw detector, Direct-reading Spectrograph, Hydrostatic testing machine
Origin Japan / West Europe / Indian / USA / Korean
Manufacturer of GOST, JIS, ANSI, DIN, UNI, BS, AWWA, AS2129, SABS, NFE, EN etc.
UNI / EN 16Bar 6Bar 40Bar 10Bar 25Bar
Standards Provided By Manufacturer ISO70051, MSS S44, BS1560-3.1, API7S-43, B16.48, ANSI/ASME B16.5, B16.47 Series A & B, BS4504, JISB2220, ASME/ANSI B16.5/16.36/16.47A/16.47B, API605, BS 10, EN-1092, DIN, API7S-15, EN1092
Common Types By Manufacturer Threaded / Screwed / Forged / Plate
Equipment Pushing Machine, Press machine, Sand-blasting machine, Bending machine, electric bevelling machine etc
Production technique Used By Manufacturer Heat treated, Forged and machined
Coating Zinc Plated, Anti-rust Paint, Yellow Transparent, Oil Black Paint, Cold and Hot Dip Galvanized
Gunmetal Flange


Various Types of Gunmetal Flanges

Weld Neck

Gunmetal Weld Neck Flanges

  • High-Strength Gunmetal Weld Neck Flanges
  • Gunmetal Corrosion-Resistant Weld Neck Flanges
  • Precision Machined Gunmetal Flanges
  • High-Performance Gunmetal Pipe Joints
  • Reliable Gunmetal Jointing
  • Gunmetal Weld Neck Flange
  • Gunmetal BS 1400 Lg2 Weld Neck Flange

Gunmetal Slip-On Flange

  • Gunmetal LG2 Slip On Flanges Dimensions
  • Gunmetal Slip-On Flanges
  • G Metal Slip On Flanges
  • Gun Metal Slip on Flange Manufacturers
  • Corrosion-Resistant Gunmetal Slip-On Flanges
  • Gunmetal (SORT) Slip On Flange
  • High-Pressure Gunmetal Slip on Flange Dimensions

Gunmetal Blind Flange

  • Gunmetal Blind Flanges
  • Gunmetal Blind Flanges Dimension
  • Gunmetal High Hub Blinds Flanges
  • Gunmetal Spectacle Blinds Flanges
  • Gunmetal Puddle Flange Manufacturers
  • Gunmetals CC491K (LG2) Flanges Joining
  • Gunmetal Casting Alloy

Ready Stock Of Gunmetal Flanges

  • Gunmetal Flanges Manufacturer
  • Gunmetal Flanges Manufacturers in India
  • ASTM B62 C83600 Flange
  • Gunmetal BS 1400 LG2 Flange
  • ASTM B62 Alloy C83600 Flange
  • EN 1982 Grade CB491K SWRF Flanges
  • Gunmetal LG2 Flange
  • Leaded Gunmetal LG2 Flange
  • Gunmetal CC491K SORF Flanges
  • Gunmetal Cc491k WNRF Flange
  • Gunmetal LG2 Lapped Joint Flange Supplier in Mumbai
  • Leaded Gunmetal LG2 Orifice Flanges
  • Gunmetal Alloys Puddle Flange
  • Gunmetal Metal Blind Flange
  • Alloy Gunmetal Weld Neck Flange
  • Nickel Gunmetal Socket Weld Flange Manufacturer
  • Leaded Gunmetal Ring Spacers
  • Gun Metal Flanges

Gunmetal Flanges Dimensions

Size in Inch Size in mm ISO Stud Size RF Height Outer Dia. RF Dia. Hole Size PCD No of Bolts Bolt Size UNC Flange Thickness RF Stud Length Weight in kg
1/2 15 M20 7 135 34.9 7/8 88.9 4 3/4 30.2 120 3.2
3/4 20 M20 7 140 42.9 7/8 95.2 4 3/4 31.8 125 3.7
1 25 M24 7 160 50.8 1 108 4 7/8 35 140 5
1 1/4 32 M27 7 185 63.5 1 1/8 130.2 4 1 38.1 150 7.8
1 1/2 40 M30 7 205 73 1 1/4 146 4 1 1/8 44.5 170 10.5
2 50 M27 7 235 92.1 1 1/8 171.4 8 1 50.9 180 18
2 1/2 65 M30 7 265 104.8 1 1/4 196.8 8 1 1/8 57.2 195 25.5
3 80 M33 7 305 127 1 3/8 228.6 8 1 1/4 66.7 220 39
4 100 M39 7 355 157.2 1 5/8 273 8 1 1/2 76.2 255 61.5
5 125 M45 7 420 185.7 1 7/8 323.8 8 1 3/4 92.1 300 102
6 150 M52 7 485 215.9 2 1/8 368.3 8 2 108 345 157
8 200 M52 7 550 269.9 2 1/8 438.2 12 2 127 380 241
10 250 M64 7 675 323.8 2 5/8 539.8 12 2 1/2 165.1 490 470
12 300 M72 7 760 381 2 7/8 619.1 12 2 3/4 184.2 540 575

Gunmetal Slip On Flanges Dimensions

Size in InchSize in mmNo of BoltsOuter Dia.Hub ODISO Stud SizeFlange LengthRF HeightFlange Thick.RF Dia.PCDHole SizeSocket BoreWeight in kg
1 1/432411559M1419214.363.588.95/843.21.4
1 1/240412565M1421215.97398.45/849.51.4
2 1/265418090M1627220.7104.8139.73/474.63.2
3 1/2908215122M1630222.3139.7177.83/4103.45
2460020815663M3381246.1692.2749.31 3/8616100
1640016595457M2762235469.9539.81 1/8410.554
1845016635505M3067238.1533.4577.91 1/4461.859
1435012535400M2756233.4412.8476.31 1/8359.241
2050020700559M3071241.3584.26351 1/4513.175


Silicon0.005 max
Phosphorous0.005 max
Iron0.03 max
Sulphur0.08 max
Antimony0.25 max
Nickel1.0 max
Aluminium0.005 max


Elongation A50 mm12 %
Hardness Brinell70 HB
Tensile Strength240 N/mm2
0.2% Proof Stress130 N/mm2

We Serve Application Industry

Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

We Export Gunmetal Flanges Across the Globe

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

Domestic Supply Gunmetal Flanges

Baroda, Mumbai, Ahmedabad, Nashik, Noida, Jaipur, Howrah, Vadodara, Secunderabad, Bengaluru, Faridabad, Kanpur, Thiruvananthapuram, Navi Mumbai, Nagpur, Colombo, Visakhapatnam, Coimbatore., Chandigarh, New Delhi, Ludhiana, Pune, Kolkata, Gurgaon, Hyderabad, Thane, Jamshedpur, Bhopal, Ernakulam, Chennai, Pimpri-Chinchwad, Rajkot, Ranchi, Surat, Haryana, Indore.

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