Brass Flanges manufacturer in India
ASTM B61 UNS C83600 Pipe Flanges and Brass Threaded Flange supplier in Mumbai
Unlike some copper alloys that have a fixed chemical composition, the elemental constituents of brass alloy could change on the basis of the requirement of its properties. This is why a substitutional alloy is preferred by several Brass Flanges Suppliers. Similar to copper alloys, brass has a tendency to get tarnished. Prevention of tarnish is possible by the application of a thin layer of oil on the outer surface of the component. Another method to prevent the component from getting tarnished is that any Brass Flanges manufacturer in India would use a coating of lacquer. The lacquer coating used on the flange would usually be clear. Tarnishing aside, there are several benefits to using brass. The Brass Companion Flange is resistant to corrosion, especially in marine environments. In seawater, where the percentage of sodium chloride is saturated at 3.5%, ordinary steel alloys are prone to decay. Yet, the performance of Brass Pipe Flanges in marine environments is rated as good, especially to galvanic corrosion. Galvanic corrosion is a common issue in oil rigs and in any component that has been installed in seawater. Unlike some alloys, the inclusion of copper in its alloy proves to be an asset, because the alloy hinders the growth of bacteria. Therefore, its use as a Brass Closet Flange is ideal. In fact, the corrosion resistance properties of brass are considered to be superior in comparison to copper. The addition of zinc, which by itself has excellent resistance to corrosion improves this property in the Brass Threaded Flange. Being a substitutional alloy, the content of zinc can vary. In applications that require higher ductility, the content of zinc needs to be less. However, for a tougher Brass Pipe Floor Flange, the level of zinc in its chemical composition needs to be significantly higher.

Brass Flanges

Brass Blind Flange

Brass Slip On Flange
Manufacturer and supplier of all types of Brass Closet, Companion and Floor Flange in Mumbai, view specification & price list ex Mumbai
Table of contents
Standard specification of Brass Flanges
All sizes of Bronze and Red Brass Slip on, Blind Flange, and Lap Joint Flange according to ASME B16.5
ASTM | ASTM B61 and B62 |
Brass Flanges Grades | CuZn39Pb3 / CuZn39Pb2 / CuZn38Pb1.5 / CuZn37Pb2 / CuZn40Pb2 / MS 58 / BS2874 / IS 319 (Type I & II). |
UNS (ASTM) specification of Brass Pipe Flanges | C35300 / C35330 DZR / C36000 (CDA 360) / C37000 / C36500 / C37700 / C37100 / C37710 / C38500. |
BS standards | CZ121 / CZ122 / CZ128 / CZ124 / CZ 131 / CZ132. |
EN standards | CW602N / CW603N / CW608N / CW606N / CW614N / CW612N / CW617N |
IS standards | C3601 / C3603 / C3604 / C3602 / C3605 / C3712 / C3771 Any special brass flange material compositions as per the customer’s requirement. |
ASME B16.5 ASTM B61 UNS C83600 Flange Sizes |
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Manufacturing Range |
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Surface Finish of Brass Pipe flange | Chrome |
Manufacturing Standard of Brass Flanges | ASME B16.5, B2220, KS ASME B16.48, EN, BS4504, SABS1123, GOST12820, ASME B16.47 Series A/B, MSS SP44, ISO70051, JIS API7S-43, API605, BS, AWWA, ANSI, BS1560-3.1, NFE29203, GOST, UNI2276, EN-1092, JISB2220, BS10, DIN, B1503, API7S-15, DIN, ASME B16.36 |
Pressure Class of UNS C36000 Brass Flanges | 300LBS, 900LBS, 1500LBS, 600LBS, 2500LBS, 150LBS |
Brass UNS C26000 Flange Pressure Calculation in DIN/ UNI/ EN | 16Bar, 40Bar, 10Bar, 25Bar, 6Bar |
JIS | 40K, 5K, 30K, 63K, 10K, 20K, 16K |
PN | PN16, PN6, PN64, PN25, PN40, PN10 |
Manufacturing types | Forged, Plate, Threaded, Casting, Heat-treated, machined, Screwed |
Test Certificates provided by Brass Flanges manufacturers in India |
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UNS C84400 Brass Flange Face and Connect Types | Flat Face (FF), Groove, Ring Type Joint (RTJ), Large Male-Female (LMF), Raised Face (RF), Large Tongue & Groove, Small Male-Female (SMF), Small Tongue, Lap-Joint Face (LJF), |
Our distributors of Brass Flanges | Lagos, Chennai, Bogota, Sydney, Singapore, Manama, Istanbul, Ernakulam, Dammam, Nagpur, Ahvaz, Dhaka, Port-of-Spain, Agra, Sharjah, Rajkot, Vapi, Navi Mumbai, Mumbai, Kuala Lumpur, Montreal, Jakarta, Perth, Gurgaon, Seoul, Surat, Brisbane, Tehran, Ankara, Pune, London, Shah Alam, Panipat, Melbourne, Ranchi, Howrah, Dubai, Nashik, Riyadh, Courbevoie, Kuwait, Hyderabad, Coimbatore, Houston, New Delhi, Gujarat, Indore, Bengaluru, Noida, Khobar, Kochi, Calgary, Kanpur, India, Baroda, Jamshedpur, Bangalore, Pimpri-Chinchwad, Mysuru, Muscat, Patna, Vadodara, Jaipur, Lucknow, Kolkata, Ahmedabad, Bhubaneswar, Karachi, Doha, Vung Granada, Mexico, Gimhae-si, Santiago, Abu Dhabi, Ludhiana, Tau, Thiruvananthapuram, Thane, Caracas, Janeiro |
Testing provided by Brass Flanges manufacturers |
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Brass Flanges Grades |
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Brass Flanges Types
Manufacturer of Threaded Brass Companion Flange in FNPT/ NPT & Class 150# to 3000#, buy lead free Brass Pipe Flanges at factory price in Mumbai

CL150 Brass Bronze Forged Flanges

Brass cone flange

Brass floor flange

Brass Threaded Flange

Brass Pipe Flanges

Sae J518 Split Flange
ASTM B61 UNS C83600 Flange Dimensions and Sizes
PED approved manufacturer of Brass Orifice, weld neck and raised face Blind Flange, view wedges and bushing of Brass Forged Flanges
Standard | Size | Pressure Classs |
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ANSI/ ASME B16.5 | 1/2”-24” | CLASS 150-2500 |
ANSI/ ASME B16.47 | 26”-60” | CLASS 75-900 |
API 6A | 1-13/16”-30” | CLASS 2000-20000 |
AWWA C207 | 4”-144” | CLASS B-F |
DIN/BS/JIS | 10-4000mm | PN2.5-40 |
UNS C36000 Brass Flange Pressure Rating
Nominal Diameter of ASTM B61 UNS C83600 Flange | Pressure Rating (PN) of UNS C36000 Brass Pipe Flange | |||||
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**Nominal BSP Pipe Size | PN6 | PN10 | PN16 | PN25 | PN40 | |
DN 10 | 75 | 90 | 90 | 90 | 90 | |
3/8" | 50 | 60 | 60 | 60 | 60 | Bolt circle (PCD) |
4 x 11 | 4 x 14 | 4 x 14 | 4 x 14 | 4 x 14 | * | |
DN 15 | 80 | 95 | 95 | 95 | 95 | |
1/2" | 55 | 65 | 65 | 65 | 65 | Bolt circle (PCD) |
4 x 11 | 4 x 14 | 4 x 14 | 4 x 14 | 4 x 14 | * | |
DN 20 | 90 | 105 | 105 | 105 | 105 | |
3/4" | 65 | 75 | 75 | 75 | 75 | Bolt circle (PCD) |
4 x 11 | 4 x 14 | 4 x 14 | 4 x 14 | 4 x 14 | * | |
DN 25 | 100 | 115 | 115 | 115 | 115 | |
1" | 75 | 85 | 85 | 85 | 85 | Bolt circle (PCD) |
4 x 11 | 4 x 14 | 4 x 14 | 4 x 14 | 4 x 14 | * | |
DN 32 | 120 | 140 | 140 | 140 | 140 | |
1 1/4" | 90 | 100 | 100 | 100 | 100 | Bolt circle (PCD) |
4 x 14 | 4 x 18 | 4 x 18 | 4 x 18 | 4 x 18 | * | |
DN 40 | 130 | 150 | 150 | 150 | 150 | |
1 1/2" | 100 | 110 | 110 | 110 | 110 | Bolt circle (PCD) |
4 x 14 | 4 x 18 | 4 x 18 | 4 x 18 | 4 x 18 | * | |
DN 50 | 140 | 165 | 165 | 165 | 165 | |
2" | 110 | 125 | 125 | 125 | 125 | Bolt circle (PCD) |
4 x 14 | 4 x 18 | 4 x 18 | 4 x 18 | 4 x 18 | * | |
DN 65 | 160 | 185 | 185 | 185 | 185 | |
2 1/2" | 130 | 145 | 145 | 145 | 145 | Bolt circle (PCD) |
4 x 14 | 4 x 18 | 4 x 18 | 8 x 18 | 8 x 18 | * | |
DN 80 | 190 | 200 | 200 | 200 | 200 | |
3" | 150 | 160 | 160 | 160 | 160 | Bolt circle (PCD) |
4 x 18 | 8 x 18 | 8 x 18 | 8 x 18 | 8 x 18 | * | |
DN 100 | 210 | 220 | 220 | 235 | 235 | |
4" | 170 | 180 | 180 | 190 | 190 | Bolt circle (PCD) |
4 x 18 | 8 x 18 | 8 x 18 | 8 x 22 | 8 x 22 | * | |
DN 125 | 240 | 250 | 250 | 270 | 270 | |
5" | 200 | 210 | 210 | 220 | 220 | Bolt circle (PCD) |
8 x 18 | 8 x 18 | 8 x 18 | 8 x 26 | 8 x 26 | * | |
DN 150 | 265 | 285 | 285 | 300 | 300 | |
6" | 225 | 240 | 240 | 250 | 250 | Bolt circle (PCD) |
8 x 18 | 8 x 22 | 8 x 22 | 8 x 26 | 8 x 26 | * | |
DN 175 | 315 | 315 | 330 | 350 | ||
7" | 270 | 270 | 280 | 295 | Bolt circle (PCD) | |
8 x 22 | 8 x 22 | 12 x 26 | 12 x 30 | * | ||
DN 200 | 320 | 340 | 340 | 360 | 375 | |
8" | 280 | 295 | 295 | 310 | 320 | Bolt circle (PCD) |
8 x 18 | 8 x 22 | 12 x 22 | 12 x 26 | 12 x 30 | * | |
DN 250 | 375 | 395 | 405 | 425 | 450 | |
10" | 335 | 350 | 355 | 370 | 385 | Bolt circle (PCD) |
12 x 18 | 12 x 22 | 12 x 26 | 12 x 30 | 12 x 33 | * | |
DN 300 | 440 | 445 | 460 | 485 | 515 | |
12" | 395 | 400 | 410 | 430 | 450 | Bolt circle (PCD) |
12 x 22 | 12 x 22 | 12 x 26 | 16 x 30 | 16 x 33 | * | |
DN 350 | 490 | 505 | 520 | 555 | 580 | |
14" | 445 | 460 | 470 | 490 | 510 | Bolt circle (PCD) |
12 x 22 | 16 x 22 | 16 x 26 | 16 x 33 | 16 x 36 | * | |
DN 400 | 540 | 565 | 580 | 620 | 660 | |
16" | 495 | 515 | 525 | 550 | 585 | Bolt circle (PCD) |
16 x 22 | 16 x 26 | 16 x 30 | 16 x 36 | 16 x 39 | * | |
DN 500 | 645 | 670 | 715 | 730 | 755 | |
20" | 600 | 620 | 650 | 660 | 670 | Bolt circle (PCD) |
20 x 22 | 20 x 26 | 20 x 33 | 20 x 36 | 20 x 42 | * | |
DN 600 | 755 | 780 | 840 | 845 | ||
24" | 705 | 725 | 770 | 770 | Bolt circle (PCD) | |
20 x 24 | 20 x 27 | 20 x 33 | 20 x 36 | * | ||
NOTE:*# of holes x diam. of holes “PCD” - Pitch Circle Diameter |
Brass UNS C26000 Flanges Standards
ASME B16.5 |
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ASME B16.47 | NPS 26 to 60 Large Diameter Brass Flanges |
ASME B16.36 | ASTM B61 UNS C83600 Orifice Flanges |
BS 10 |
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AS2129 ASTM B61 UNS C83600 Flanges |
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DIN | |
BS 4504 |
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EN 1092-1 | |
EN 1092-2 |
UNS C84400 Brass Flange Type Codes
101 | ASTM B61 UNS C83600 Plate flange for welding |
102 | UNS C36000 Brass Loose plate flange with weld on plate collar |
104 | Brass UNS C26000 Loose plate flange with weld-nut collar |
105 | UNS C84400 Brass Blank flange |
111 | ASTM B61 UNS C83600 Weld neck flange |
112 | UNS C36000 Brass Hubbed slip-on flange for welding |
113 | Brass UNS C26000 Hubbed threaded flange |
121 | UNS C84400 Brass Integral flange |
CuZn39Pb3 Brass Flange Face Types
Type | Face Type of ASTM B61 UNS C83600 Flanges |
A | Flat Face |
B | Raised Face |
C | Tongue Face |
D | Grooved Face |
E | Spigot |
F | Recess |
G | Ring Recess |
H | O-Ring Groove |
Brass Flanges Dimensions
Click on the following to view the all types of Brass Flanges dimensions table
- Slip On Flanges (SORF)
- Socket Weld Flanges (SWRF)
- Blind Flanges (BLRF)
- Weld Neck Flanges (WNRF)
- Screwed/ Threaded Flanges
- Lap Joint Flanges
- Long Weld Neck Flanges
- Spectacle Blind Flanges
- Spades & Ring Spacers
- Nipoflange
- Weldoflange
- Flangeolet
- Bleed Ring
- Forged Flanges
- Plate Flanges
- Ring Type Joint Flanges (RTJ)
- Raised Face Flanges
- Tongue and Groove Flanges
- Male and Female Flange
- Reducing Flanges
Brass Flanges Composition Chart
Copper | 68.5-71.5% |
Lead | 0.05% max |
Iron | 0.05% max |
Zinc | Rem |
Others | 0.30% max |
Fabrication Properties of Brass Pipe Flanges
FORGING | Fair |
EXTRUSION | Fair |
HOT ROLL | Fair |
COLD ROLL | Excellent |
Price of Brass Flanges
ANSI B16.5 CL150 Brass Bronze Forged Flanges | FOB Price US $57.40-$69.60/ Piece |
High quality 1/2" 3/4" 2" inch Brass floor flange and threaded pipe flat flange | FOB Price US $2.00/ Pcs |
High precision casting part customized cnc machining brass cone flange | FOB Price US $4.65-$29.68/ Piece |
BS 4504 PN16 SORF Slip-on Raised Face Brass flange | FOB Price US $1.00/ Piece |
BPS Approved 1 inch 150 lb Brass Threaded Companion Flange | FOB Price US $1.00/ Piece |
casting forging aluminum brass turning milling flange | FOB Price US $1.78-$6.54/ Piece |
Brass Flange with 4hole | FOB Price US $1.00-$100.00/ Piece |
Customized Copper Brass forging and cnc machining plate flanges | FOB Price US $10.00-$11.30/ Kilogram |
Brass Floor Flanges 3/4" & 1/2 Threaded BSP For Wall Mount | FOB Price US $0.50-$3.00/ Piece |
ASME B16.5 CL150 Brass Bronze Forged Flanges | FOB Price US $57.40-$69.60/ Piece |
6 inch DN150 class 150 WN bronze brass flange | FOB Price US $120.00-$140.00/ Piece |
Brass Flange For Heating Element | FOB Price US $0.40-$3.00/ Pcs |
Please note this is an approx Price of Brass Flanges in India. Call on +91 22 66109735 or drop an Email to sales@skylandmetal.in for free quote and sample.
Brass companion flange dimensions
