API 6A / 6B Flanges

Carbon Steel API 5l Grade B Flanges, API 6A TYPE 6B Flanges, Duplex Steel 6BX weld Neck Flange, SS API 6A TYPE 6B Manufacturer in Mumbai, India.


Carbon Steel API 6A Flanges, API 6B Square Flanges, Nickel Alloys API 5l Grade B Flanges, Hastelloy API 6B Flanges Manufacturers & Suppliers in India.


API 6A/6B Flanges Specification

Specification : API 6A Flanges
Coating Flange Faces : Oil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized
Size Chart : 1/2″ (15 NB) To 48″ (1200NB)
Supporting Flange Material: Gasket, Ring Joint, Flange Bolts
Machining Equipment: Electric bevelling machine, Bending machine, Press machine, Pushing Machine, Sand-blasting machine etc
Standards : MSS SP44 Flange, EN-1092 Flange, BS10 Flange, ASME B16.38 Flange, UNI Flange, PN Flange, ISO Flange, JIS Flange, ASME B16.47 (Series A, Series B) Flange, ASME B16.5 Flange, AWWA Flange, DIN Flange, GOST Flange
Pressure Rating Table: Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS
Production Process: Forged, Heat Treated and Machined
Application: Fabrication Industry
Natural Gas Industry
Water Pipeline Industry
Oil And Gas Industry
Chemical Industry
Nuclear Power Plant
Common Types of Flanges Dimensions: Class 150 RTJ
Flanges 300 LB WNRF
Class 900 SORF
1500# BLRF
Class 2500 BLRF
Connect Type Type: RTJ, SMF, LJF, LMF, RF, FF
Design For Size: ANSI, ASME, EN, ASA, PN, JIS, DIN, BS

API 6A/6B Flanges Material

Stainless Steel API 6A/6B Flanges ASTM/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
Carbon Steel API 6A/6B Flanges ASTM/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)
Alloy Steel API 6A/6B Flanges ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91
Titanium API 6A/6B Flanges ASTM 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 6A/6B Flanges T1, 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 6A/6B Flanges ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Inconel API 6A/6B Flanges ASTM B564 / ASME SB564, Inconel 600, 601, 625, 718, 783, 690, x750 ANSI B16.36 Class 150 API 6A/6B Flanges
Hastelloy API 6A/6B Flanges ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X Flanges
Monel API 6A/6B Flanges ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Alloy 20 API 6A/6B Flanges ASTM B462 / ASME SB462, Carpenter® 20 Alloy, Alloy 20Cb-3
Aluminium API 6A/6B Flanges 5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel Alloy API 6A/6B Flanges ASTM B564 / ASME SB564, Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Duplex Steel API 6A/6B Flanges S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex API 6A/6B Flanges S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Incoloy API 6A/6B Flanges ASTM B564 / ASME SB564, Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925 Flanges
254 SMO API 6A/6B Flanges ASTM A182 / ASME SA182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Nimonic API 6A/6B Flanges Nimonic 75, Nimonic 80A, Nimonic 90
Brass API 6A/6B Flanges 3602 / 2604 / H59 / H62 / etc.
Other API 6A/6B Flanges material Tin bronze, Alumunum bronze, Lead bronze

API 2000 PSI Flange Dimensions

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds-Pressure Ratings
Max
Working
Pressure
2000
PSI
3000
PSI
5000
PSI
Test Pressure 3000 PSI 4500 PSI 7500 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
Integral, Blind, Target Blind and Test Flanges
Min. Yield 60 000 PSI 60 000 PSI 60 000 PSI
Min. Tensile 85 000 PSI 85 000 PSI 85 000 PSI
Material API 60K API 60K API 60K
Weld Neck Flanges
Min. Yield 45 000 PSI 45 000 PSI 45 000 PSI
Min. Tensile 70 000 PSI 70 000 PSI 70 000 PSI
Material API 45K API 45K API 45K
Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds-Pressure Ratings
Max
Working
Pressure
10 000
PSI
15 000
PSI
20 000
PSI
Test Pressure 15 000 PSI 22 500 PSI 30 000 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
Integral, Blind, Target Blind and Test Flanges
Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K
Weld Neck Flanges
Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

API 3000 PSI Flange Dimensions

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings 

Max
Working
Pressure
2000
PSI
3000
PSI
5000
PSI
Test Pressure 3000 PSI 4500 PSI 7500 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)

Integral, Blind, Target Blind and Test Flanges

Min. Yield 60 000 PSI 60 000 PSI 60 000 PSI
Min. Tensile 85 000 PSI 85 000 PSI 85 000 PSI
Material API 60K API 60K API 60K

Weld Neck Flanges

Min. Yield 45 000 PSI 45 000 PSI 45 000 PSI
Min. Tensile 70 000 PSI 70 000 PSI 70 000 PSI
Material API 45K API 45K API 45K

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings –

Max
Working
Pressure
10 000
PSI
15 000
PSI
20 000
PSI
Test Pressure 15 000 PSI 22 500 PSI 30 000 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)

Integral, Blind, Target Blind and Test Flanges

Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

Weld Neck Flanges

Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

API 5000 PSI Flange Dimensions

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings –

Max
Working
Pressure
2000
PSI
3000
PSI
5000
PSI
Test Pressure 3000 PSI 4500 PSI 7500 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)

Integral, Blind, Target Blind and Test Flanges

Min. Yield 60 000 PSI 60 000 PSI 60 000 PSI
Min. Tensile 85 000 PSI 85 000 PSI 85 000 PSI
Material API 60K API 60K API 60K

Weld Neck Flanges

Min. Yield 45 000 PSI 45 000 PSI 45 000 PSI
Min. Tensile 70 000 PSI 70 000 PSI 70 000 PSI
Material API 45K API 45K API 45K

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings –

Max
Working
Pressure
10 000
PSI
15 000
PSI
20 000
PSI
Test Pressure 15 000 PSI 22 500 PSI 30 000 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)

Integral, Blind, Target Blind and Test Flanges

Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

Weld Neck Flanges

Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

API 20000 PSI Flange Dimensions

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings –

Max
Working
Pressure
2000
PSI
3000
PSI
5000
PSI
Test Pressure 3000 PSI 4500 PSI 7500 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)

Integral, Blind, Target Blind and Test Flanges

Min. Yield 60 000 PSI 60 000 PSI 60 000 PSI
Min. Tensile 85 000 PSI 85 000 PSI 85 000 PSI
Material API 60K API 60K API 60K

Weld Neck Flanges

Min. Yield 45 000 PSI 45 000 PSI 45 000 PSI
Min. Tensile 70 000 PSI 70 000 PSI 70 000 PSI
Material API 45K API 45K API 45K

Flanges for Wellhead and Christmas Tree Equipment
Weld Neck, Integral, Blinds, Targets and Test Blinds – Pressure Ratings –

Max
Working
Pressure
10 000
PSI
15 000
PSI
20 000
PSI
Test Pressure 15 000 PSI 22 500 PSI 30 000 PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temp
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)

Integral, Blind, Target Blind and Test Flanges

Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

Weld Neck Flanges

Min. Yield 60 000 PSI 75 000 PSI 75 000 PSI
Min. Tensile 85 000 PSI 95 000 PSI 95 000 PSI
Material API 60K API 75K API 75K

Flange Section Integral Flange

Nominal
Size
and
Bore
Max
Bore
Out Side
Dia
Tolerance Max
Chamfer
B D D C
2000 PSI
26¾ 26.78 41 ± 0.12 0.25
30 30.03 44.19 ± 0.12 0.25
3000 PSI
26¾ 26.78 43.38 ± 0.12 0.25
30 30.03 46.68 ± 0.12 0.25
5000 PSI
13.3/8 13.66 26.5 ± 0.12 0.25
16¾ 16.78 30.38 ± 0.12 0.25
18¾ 18.78 35.62 ± 0.12 0.25
21¾ 21.28 39 ± 0.12 0.25
10000 PSI
1.13/16 1.84 7.38 ± 0.06 0.12
2.1/16 2.09 7.88 ± 0.06 0.12
2.9/16 2.59 9.12 ± 0.06 0.12
3.1/16 3.09 10.62 ± 0.06 0.12
4.1/16 4.09 12.44 ± 0.06 0.12
5.1/8 5.16 14.06 ± 0.06 0.12
7.1/16 7.09 18.88 ± 0.12 0.25
9 9.03 21.75 ± 0.12 0.25
11 11.03 25.75 ± 0.12 0.25
13.5/8 13.66 30.25 ± 0.12 0.25
16¾ 16.78 34.31 ± 0.12 0.25
18¾ 18.78 40.94 ± 0.12 0.25
21¼ 21.28 45 ± 0.12 0.25
15000 PSI
1.13/16 1.84 8.19 ± 0.06 0.12
2.1/16 2.09 8.75 ± 0.06 0.12
2.9/16 2.59 10 ± 0.06 0.12
3.1/16 3.09 11.31 ± 0.06 0.12
4.1/16 4.09 14.19 ± 0.06 0.12
5.1/8 5.16 16.5 ± 0.06 0.12
7.1/16 7.09 19.88 ± 0.12 0.25
9 9.03 25.5 ± 0.12 0.25
11 11.03 32 ± 0.12 0.25
13.5/8 13.66 34.88 ± 0.12 0.25
18¾ 18.78 45.75 ± 0.12 0.25
20000 PSI
1.13/16 1.84 10.12 ± 0.06 0.12
2.1/16 2.09 11.31 ± 0.06 0.12
2.9/16 2.59 12.81 ± 0.06 0.12
3.1/16 3.09 14.06 ± 0.06 0.12
4.1/16 4.09 17.56 ± 0.06 0.12
7.1/16 7.09 25.81 ± 0.12 0.25
9 9.03 31.69 ± 0.12 0.25
11 11.03 34.75 ± 0.12 0.25
13.5/8 13.66 45.75 ± 0.12 0.25
Nominal
Size
and
Bore
Dia
Raised
Face
Total
THK
Large
Dia
Hub
Small
Dia
Hub
F T A E
2000 PSI
26¾ 31.69 4.97 32.91 29.25
30 35.75 5.28 36.69 32.8
3000 PSI
26¾ 32.75 6.34 34.25 30.56
30 36.31 6.58 38.19 34.3
5000 PSI
13.3/8 18 4.44 18.94 16.69
16¾ 21.06 5.13 21.88 20.75
18¾ 24.69 6.53 26.56 23.56
21¾ 27.62 7.12 29.88 26.75
10000 PSI
1.13/16 4.12 1.66 3.5 2.56
2.1/16 4.38 1.73 3.94 2.94
2.9/16 5.19 2.02 4.75 3.62
3.1/16 6 2.3 5.59 4.34
4.1/16 7.28 2.77 7.19 5.75
5.1/8 8.69 3.12 8.81 7.19
7.1/16 11.88 4.06 11.88 10
9 14.12 4.88 14.75 12.88
11 16.88 5.56 17.75 15.75
13.5/8 20.38 6.62 21.75 19.5
16¾ 22.69 6.62 25.81 23.69
18¾ 27.44 8.78 29.62 26.56
21¼ 30.75 9.5 33.38 30
15000 PSI
1.13/16 4.19 1.78 3.84 2.81
2.1/16 4.5 2 4.38 3.25
2.9/16 5.25 2.25 5.06 3.94
3.1/16 6.06 2.53 6.06 4.81
4.1/16 7.62 3.09 7.69 6.25
5.1/8 8.88 3.88 9.62 7.88
7.1/16 12 4.6 12.81 10.88
9 15 5.75 17 13.75
11 17.88 7.38 23 16.81
13.5/8 21.31 8.06 23.44 20.81
18¾ 28.44 10.06 32 28.75
20000 PSI
1.13/16 4.62 2.5 5.25 4.31
2.1/16 5.19 2.81 6.06 5
2.9/16 5.94 3.12 6.81 5.69
3.1/16 6.75 3.38 7.56 6.31
4.1/16 8.62 4.19 9.56 8.12
7.1/16 13.88 6.5 15.19 13.31
9 17.38 8.06 18.94 16.88
11 19.88 8.81 22.31 20
13.5/8 24.19 11.5 27.31 24.75
Length
Hub
Radius
Hub
Dia
Bolt
Circle
No
of
Bolts
Dia
Bolts
L R P
2000 PSI
26¾ 7.31 0.62 37.5 20
30 7.75 0.62 40.94 32 1.5/8
3000 PSI
26¾ 7.31 0.62 39.38 24 2
30 7.75 0.62 42.94 32 1.7/8
5000 PSI
13.3/8 4.5 0.62 23.25 16 1.5/8
16¾ 3 0.75 26.62 16 1.7/8
18¾ 6 0.62 31.62 20 2
21¾ 6.5 0.69 34.88 24 2
10000 PSI
1.13/16 1.91 0.38 5.75 8 3/4
2.1/16 2.03 0.38 6.25 8 3/4
2.9/16 2.25 0.38 7.25 8 7/8
3.1/16 2.5 0.38 8.5 8 1
4.1/16 2.88 0.38 10.19 8 1.1/8
5.1/8 3.19 0.38 11.81 12 1.1/8
7.1/16 3.75 0.62 15.88 12
9 3.69 0.62 18.75 16
11 4.06 0.62 22.25 16
13.5/8 4.5 0.62 26.5 20 1.7/8
16¾ 3 0.75 30.56 24 1.7/8
18¾ 6.12 0.62 36.44 24
21¼ 6.5 0.81 40.25 24
15000 PSI
1.13/16 1.88 0.38 6.31 8 7/8
2.1/16 2.12 0.38 6.88 8 7/8
2.9/16 2.25 0.38 7.88 8 1
3.1/16 2.5 0.38 9.06 8 1.1/8
4.1/16 2.88 0.38 11.44 8 1.3/8
5.1/8 3.22 0.62 13.5 12
7.1/16 2.62 0.62 16.88 16
9 4.88 0.62 21.75 16 1.7/8
11 9.28 0.62 28 20 2
13.5/8 4.5 1 30.38 20
18¾ 6.12 1 40 20 3
20000 PSI
1.13/16 1.94 0.38 8 8 1
2.1/16 2.06 0.38 9.06 8 1.1/8
2.9/16 2.31 0.38 10.31 8
3.1/16 2.5 0.38 11.31 8 1.3/8
4.1/16 2.88 0.38 14.06 8
7.1/16 3.81 0.62 21.81 16 2
9 4.25 1 27 16
11 4.06 1 29.5 16
13.5/8 5.25 1 40 20 3
Dia
Bolt
Holes
Bolt
Hole
Tolerance
Length
Bolts
Ring
No
(R or RX)
2000 PSI
26¾ 1.88 +0.09 13.75 167
30 1.75 +0.09 14.25 303
3000 PSI
26¾ 2.12 +0.09 17 168
30 2 +0.09 17.75 303
5000 PSI
13.3/8 1.75 +0.09 12.5 160
16¾ 2 +0.09 14.5 162
18¾ 2.12 +0.09 17.5 163
21¾ 2.12 +0.09 18.75 165
10000 PSI
1.13/16 0.88 +0.06 5 151
2.1/16 0.88 +0.06 5.2 152
2.9/16 1 +0.06 6 153
3.1/16 1.12 +0.06 6.75 154
4.1/16 1.25 +0.06 8 155
5.1/8 1.25 +0.06 8.75 169
7.1/16 1.62 +0.09 11.25 156
9 1.62 +0.09 13 157
11 1.88 +0.09 15 158
13.5/8 2 +0.09 17.25 159
16¾ 2 +0.09 17.5 162
18¾ 2.38 +0.09 22.5 164
21¼ 2.62 +0.09 24.5 166
15000 PSI
1.13/16 1 +0.06 5.5 151
2.1/16 1 +0.06 6 152
2.9/16 1.12 +0.06 6.75 153
3.1/16 1.25 +0.06 7.5 154
4.1/16 1.5 +0.06 9.25 155
5.1/8 1.62 +0.09 11.5 169
7.1/16 1.62 +0.09 12.75 156
9 2 +0.09 15.75 157
11 2.12 +0.09 19.25 158
13.5/8 2.38 +0.09 21.25 159
18¾ 3.12 +0.12 26.75 164
20000 PSI
1.13/16 1.12 +0.06 7.5 151
2.1/16 1.25 +0.06 8.25 152
2.9/16 1.38 +0.06 9.25 153
3.1/16 1.5 +0.06 10 154
4.1/16 1.88 +0.09 12.25 155
7.1/16 2.12 +0.09 17.5 156
9 2.62 +0.09 22.38 157
11 2.88 +0.09 23.75 158
13.5/8 3.12 +0.12 30 159

Other Types of API 6A/6B Flanges

  • API 6A Threaded Flange
  • Suppliers of API 6A 6B And 6BX Flanges
  • API 605 Series A Flanges Dimensions
  • Super Duplex Steel API 6A Flange Wholesaler
  • API Spec 6A Flanges
  • High Nickel Alloy API 605 Flanges Dealer in India
  • Nickel Alloy API 6a Flange
  • API Spectacle Blinds Flanges Supplier in India
  • API Weld Neck Flange Stockists
  • Duplex Steel API Slip On Flange
  • API 605 Series B Flanges
  • Hastelloy API 650 Flanges Stockist

Inovative Ideas

Train with the best experts in Industrial field.

24/7 Support

We are available on call anytime at mon-fri.

Super Safety

We adhare to safety at every step of Production.