API Flange, API 6A Flange manufacturers

API Flanges Dimensions

Check API 6A Flanges Standards and Weight

Buy Stainless Steel API 6A Flanges and Carbon Steel API 6A Flanges at lowest price in Mumbai, India

API Flange
API Flange
API Flange dimensions
API Flange Dimensions
API Flange Standards
API Flange Standards


Petromet is well known API Flanges manufacturers in India. We deliver API 6a Forged Flanges, API Blind Flanges & API Series B Flanges at discounted rate due to reasonable man hours in India and sufficient stock of high quality API 6a Reducing Flanges at best price available in Mumbai, India.

Petromet is trusted supplier of API Orifice Flanges to Bahrain, Russia, UK, Kuwait, Egypt,Canada, Iran, Qatar, USA, France, Indonesia, UAE, Oman, Turkey, Singapore, Malaysia, Italy, Thailand, Sweden, Israel, Germany, Australia, Sri Lanka & Saudi Arabia. Petromet is most reliable manufacturer of API 6a Flanges approved by Saudi Aramco.

We are world’s leading supplier of API Pipe Flanges at best price as we are one of the largest supplier & trader of API Lapped Joint Flanges in India. We have our stocking distributors in Delhi, Bangalore, Surat, (Gujarat), Hyderabad, Pune (Maharashtra) & Chennai in Tamil Nadu. Check once our API 5l Grade B Flanges price before buying API 6a Threaded Flanges from India or China. also mail for our live stock of API 6a Square Flanges to check types & sizes with our ready stock we can give you best price of API Long Weld Neck Flanges. We maintain extensive stock of API Socket Weld Flanges. Petromet is distributor and stockist of API Blind Flanges, API 10000 Psi Flanges in various sizes.

You can mail to info@petrometflange.com for API 6a Expander Flanges to get live quote now. Looking to purchase API 6a Weld Neck Flanges at best price in India, ask price list of API Loose Flanges including API Plate Flanges, API 6a Slip On Flanges and API 6a Flat Flanges.

We can also provide free sample of API 6a Ring Type Joint Flanges, Petromet is having our Dealer & Distributor in Karnataka, Bhosari, Rajkot, Ghaziabad, Pune, Madhya Pradesh, Delhi, Haryana, West Bengal, Khopoli, Kolkata, Rajasthan, Ludhiana, Uttar Pradesh, Aurangabad, Tamil Nadu,Bangalore, Vadodara, Indore, Raipur, Nagpur, Chhattisgarh, Karnataka, Chennai (Madras), Gujarat, Ahmedabad, Kolhapur, Faridabad, Jaipur, Punjab, Gurgaon, Maharashtra. So if you are looking for best price of API 6a Weldo / Nipo Flanges or API Adapter Flanges, API 6a Groove & Tongue Flanges near you with shortest time delivery or free sample of API Weld Neck Flanges. Call us or mail to info@petrometflange.com for Latest & Updated price List of API 6a Weld Neck Flanges A / B and API 6a High Hub Blinds Flanges.

Get suitable API 6A manufacturers in UAE, India, Qatar, Singapore, Dubai, UK, Australia and South Africa.

Save up to 40% on API 6A Blind Flanges. Visit API 6A Slip on Flanges manufacturers factory in India, ask for API 6A Threaded Flanges free sample.


API Flanges Price List

API Weld Neck FlangesUS $0.5-1000 / Piece (FOB Price)
API Threaded FlangesUS $300-500 / Ton (FOB Price)
API Forged FlangesUS $1-900 / Piece (FOB Price)
API Socket Weld FlangesUS $0.5-1000 / Piece (FOB Price)
API Blind FlangesUS $1-300 / Piece (FOB Price)


Please note this is an approx Cost of API socket weld flange in India. For final API weld neck flange price in India please mail us.

API Flange Specification

API Flanges Size Chart1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
API Flanges StandardsANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
API Flanges Pressure Rating ANSIClass 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS
API Flanges Pressure Calculation in DIN6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K
UNI6Bar 10Bar 16Bar 25Bar 40Bar
EN6Bar 10Bar 16Bar 25Bar 40Bar
CoatingOil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Most common types of APIForged / Threaded / Screwed / Plate
Test CertificatesEN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production technique
  • Forged, Heat treated and machined
Connect Type/ Flange Face TypeRaised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove
Special designAs per your drawing

15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

TestDirect-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
EquipmentPress machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
OriginIndian / West Europe / Japan / USA / Korean
Manufacturer ofANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
API: -BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
API Flanges Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
Export toIreland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175


API Flanges Material

Prestige quality API Flanges manufacturers in India offer these Carbon Steel API Flanges in DIN, EN, BS, ISO, JIS or ANSI standard.

Carbon Steel API FlangesASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Stainless Steel API FlangesASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409
Alloy Steel API FlangesASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Titanium API FlangesASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2, Titanium Gr. 4, Titanium Gr. 5, Titanium Gr. 7
ASTM  R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Copper API FlangesT1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910,C10920, TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000,C12200, C12300, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Copper Nickel API FlangesASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Brass API Flanges3602 / 2604 / H59 / H62 / etc.
Inconel API FlangesASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 API
Hastelloy API FlangesASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Monel API FlangesASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 API FlangesASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Aluminium API Flanges5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel API FlangesASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Duplex API FlangesS31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex API FlangesS32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy API FlangesASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
254 Smo API FlangesASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Nimonic API FlangesNimonic 75, Nimonic 80A, Nimonic 90
Other API Flanges materialTin bronze, Alumunum bronze, Lead bronze


Petromet Flange Inc. is an ISO certified API Orifice Flanges manufacturer & distributor in India

Petromet Flange Inc. is a manufacturer and supplier of API Flanges offering in all Ratings up to 2500#, built a distribution network with more then 65 countries globally.

API Flanges Dimensions & Weight Chart

Flange SizeWorking Pressure (PSI)Outside DiameterNumber of Bolt HolesDiameter of Bolt HolesLength of BoltsAPI Ring Gasket

API 6A Type 6BX 15000PSI Blind / Welding Neck Flange

API 6A Flanges

1 13/16″46.82103-5.5677.7710645.397.671.447.6-10160.3826151
2 1/16″53.22203-5.9586.2311450.8111.182.554-10174.6826152
2 9/16″65.92553-6.75102.7713357.2128.610057.1-10200829153
3 1/16″78.62903-7.5411915464.3154122.263.5-10230.2832154
4 1/16″1043603-8.33150.6219478.6195.3158.773-10290.5839155
5 1/8″13142039.59.53176.6622598.5244.520081.86.416342.91242169
7 1/16″180.2505611.111.11241.83305119.1325.4276.292.17.916428.61642156
9 “229.4650612.712.7299.06381146.1431.8349.2123.814.216552.41651157
13 5/8″346.9885615.915.88432.64541204.8595.3528.6114.317.525771.52061159
18 3/4″4771160618.318.26577.9722255.6812.8730.2155.635.12510162080164

API 6A Type 6B 2000PSI Blind / Welding Neck Flange

API 6A Flanges

2 1/16″53.2165310882.557.933.425.4841278208160.353.323
2 9/16″65.91903127101.67.936.628.6100149.2823887363.526
3 1/8″81.82103146123.837.939.731.8117168.38239188.978.731
4 1/16″108.72753175149.237.946.138.1152215.9826110114.3103.137
5 1/8″1313303210180.987.952.444.5189266.7829122141.3122.941
7 1/16″181.83556241211.157.955.647.6222292.11229126168.3147.145
13 5/8″346.956064133817.974.766.74004892035---57
16 3/4″426.26856508469.97.984.276.2495603.22042---65
21 1/4″540.58156635584.29.798.588.9610723.92445---73

API 6A Type 6BX 2000PSI Blind Flange

API 6A Flanges

26 3/4″1040621.4768.33805126.3835.89.716952.52048167

API 6A Type 6B 3000PSI Blind / Welding Neck Flange

API 6A Flanges

2 1/16″53.2215312495.257.946.138.1104.8165.1826109.660.35024
2 9/16″65.92453137107.957.949.341.3123.8190.5829112.77359.727
3 1/8″81.82403156123.837.946.138.1127190.5826109.588.974.431
4 1/16″108.72903181149.237.952.444.4158.8235832122.2114.39837
5 1/8″1313503216180.987.958.850.8190.5279.4835134.9141.3122.941
7 1/16″181.83806241211.157.963.555.6235317.51232147.6168.3147.145
13 5/8″346.961064193817.987.479.4419.1533.42039---57
16 3/4″426.27056524469.911.2100.188.95086162045---66
20 3/4″527.88556648584.212.7120.7108622.3749.32054---74

API 6A Type 6B 5000PSI Blind / Welding Neck Flange

API 6A Flanges

2 1/16″53.2215312495.257.946.138.1104.8165.1826109.560.343.724
2 9/16″65.92453137107.957.949.341.3123.8190.5829112.77354.927
3 1/8″81.82653168136.537.955.647.7133.3203.2832125.488.967.535
4 1/16″108.73103194161.937.96254161.9241.3835131.8114.388.139
5 1/8″1313753229193.687.98173.1196.8292.1842163.5141.3110.344
7 1/16″181.83956248211.159.792.182.6228.6317.51239181168.3132.646

API 6A Type 6BX 10000PSI Blind / Welding Neck Flange

API 6A Flanges

1 13/16″46.81853-5.5677.7710542.188.965.148.5-10146.1823151
2 1/16″53.22003-5.9586.2311144.110074.751.6-10158.8823152
2 9/16″65.92303-6.75102.7713251.2120.792.157.2-10184.2826153
3 1/16″78.62703-7.5411915258.4142.1110.263.5-10215.9829154
4 1/16″1043153-8.33150.6218570.3182.6146.173.1-10258.8832155
5 1/8″13136039.59.53176.6622179.4223.8182.6816.4103001232169
7 1/16″180.2480611.111.11241.83302103.2301.625495.39.716403.21242156
9 “229.4550612.712.7299.06359123.9374.7327.193.79.716476.31642157
13 5/8″346.9770615.915.88432.64518168.3552.5495.3114.317.516673.12051159
16 3/4″426.287068.38.33478.33576168.3655.6601.776.230.219776.32451162
18 3/4″4771040618.318.26577.9697223.1752.5674.7155.625.416925.52461164
21 1/4″540.51145619.119.05647.88781241.3847.7762165.131.8211022.42467166


Manufacturing API Blind Flanges in India, Petromet Flange Inc. holds a wide range of Alloy Steel API Flanges in all Thickness, stock for immediate despatch throughout India & globally.

Type of API Flanges we produce:

API Weld Neck flangeAPI Threaded flange
API Forged flangeAPI With 1/2 Npt flange
API Socket Weld flangeAPI With Threaded Hole flange
API Blind flangeAPI Weight 150#  flange
API Square flangeAPI Rtj 1500 flange
API Loose flangeAPI Ring Type Joint flange
API Pn16 flangeAPI Flat Face flange
API Pn10 flangeAPI Slip On flange
API Pn40 flangeAPI Rtj 900 flange
API Pn 160 flangeAPI Rtj flange
API Pn 64 flangeAPI Npt flange
API Dn150 Pn16 flangeAPI Jis 5k flange
API Din 2527 flangeAPI Jis B2220 flange
API Din En 1092-1 flangeAPI Jis 10k flange
API Din 2633 flangeKf API flange
API Din 2576 flangeAPI B16.47 flange
API Expander flangeAPI Groove & Tongue flange
API Din 2527API Jis B2220
API Din En 1092-1API Jis 10k
API Din 2633Kf API
API Din 2576API B16.47
API ExpanderAPI Groove & Tongue
API Class 600API Class 900
API Class 1500API Class 2500
API Class 150API Class 300
API SORF flangeAPI SWRF flange
API RTJ flangeAPI WN flange
API Threaded flangeAPI Class 150 flange
API Pn40 flangeAPI BLRF flange
API Pn 160 flangeAPI Orifice flange



Stock an extensive range of API Flanges, API 6A Square Flanges manufacturer in Mumbai, India
Producing high-strength API 6A Expander Flanges in India, contact API RTJ Flanges manufacturers in India, Philippines, Malaysia, UAE & UK