API 6A Type 6B Flange, API 6B Blind Flange, API 6B Weld Neck Flange, API 6A Type 6B 5000 PSI Flange Dimensions

API Type 6B Flange Suppliers in India

We as Metalfed Engineering are a prominent supplier, trader, and distributor of API Type 6B Pipe Flanges, which is unable to harden by conduction. API Type 6B Weld Neck Flanges is austenitic nickel-chromium steel that offers high strength and good ductility when cold worked. API Type 6B Blind Flange has a lower chromium content and nickel, which increases its work hardening range. The chromium and nickel content in this alloy is reduced to increase the work hardening rate.API Type 6B Threaded Flanges is non-magnetic in the annealed condition and becomes increasingly magnetic when cold worked. It is available in the market in various annealed and various hard-rolled states.
In addition, Alloy Steel API 6B Weld Neck Flanges has moderately low embodied energy and a moderately low base cost. High strength and excellent corrosion resistance make it useful for a variety of applications. It is suitable for all types of welding and shows good ductility in cold working. API 6A Type 6B 5000 PSI Flange is used in aircraft components and in a variety of industrial applications. Buy API Type 6A Flange at best price.

Highly Acclaimed Exporter of API 6B Threaded Flange, API 6A Type 6B 5000PSI Flange, API 6A Type 6B 2000 PSI Weld Neck Flange in all Dimensions.

The chemistry of these Super Duplex Steel API Type 6B Threaded Flanges allows for cold forming with the ideal combination of mechanical properties desired for specific applications. It is easy to form and draw and has good weldability. This retained elongation of this alloy explains its high hardness, toughness, and superior fatigue life in the finished part.

Ready Stockist of API 6B Companion Flange, API 6B 5000 Weld Neck Flange, Carbon Steel API Type 6B Flange, Alloy Steel API Type 6B Flange, API 6A Type 6B Threaded Flange, API 6A Flange at Best Prices.

API Type 6B Flange Specifications
Standard Name: API Type 6B Flange
Size Chart: 1/2-60 inch
Standard: API, API 6A, API 650, API 605
Pressure: Class 150, 300, 600, 1500, 2500
Coating/Surface Treatment: Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized
Connection Type/Flange Face Type: RF-Raised Face, RTJ-Ring Type Joint, FF-Flat Face, LMF-Large Male-Female, LJF-Lap-Joint Face, SMF-Small Male-Female, Small Tongue, Large Tongue & Groove, Groove
Custom Flange/Special Design: As per your drawing
Flange Test: Direct-reading Spectrograph, X-ray detector, Hydrostatic testing machine, UI trasonic flaw detector, Magnetic particle detector
Flanges Equipment: Press machine, Pushing Machine, Bending machine, electric bevelling machine, Sand-blasting machine, etc
Test Certificates: Third Party Inspection Report, 100% Radiography Test Report, Raw Materials Certificate, EN 10204/3.1B, etc.
Material Test Certificates (MTC): As per EN 10204 3.1 and EN 10204 3.2, TC certifying NACE MR0103, NACE MR0175
Uses & Applications: Petrochemicals and acids, Nuclear Power, Heavy oil refineries, Bitumen upgraders, Offshore, Piping Projects etc.
Export Network: Ireland, Oman, Dubai, Indonesia, Egypt, Singapore, Saudi & Arabia, Iran, Ukraine, Canada, USA, Brazil, Spain, Thailand, Korea, India, Peru, etc
API Type 6B Flange Materials and Grades
Duplex Steel API Type 6B Flange: ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61
Super Duplex API Type 6B Flange: ASTM / ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61
Stainless Steel API Type 6B Flange: ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Nickel Alloys API Type 6B Flange: ASTM SB564, SB160, SB472, SB162 – Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020)
Alloys API Type 6B Flange: Alloy 20, Alloy C, Alloy C276, Alloy B2
Carbon Steel API Type 6B Flange: ASTM / ASME A/SA 105 ASTM / ASME A 350, ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52
Copper Alloys API Type 6B Flange: ASTM SB 61, SB62, SB151, SB152 – UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Low Temperature Steel API Type 6B Flange: ASTM A350 LF2, LF3, LF6
High Yield API Type 6B Flange: ASTM A694 F42, F52, F60, F65, F70
Alloy Steel API Type 6B Flange: ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Titanium API Type 6B Flange: Gr1, Gr2, Gr3, Gr5, Gr7, Gr11
Brass API Type 6B Flange: 2604 / 3602 / H59 / H62 / etc.
Aluminium API Type 6B Flange: 2017 / 5052 / 6063 / 6061 / 7075 etc.
Alloy 20 API Type 6B Flange: ASME SB462 / ASTM B462, Carpenter® 20 Alloy, Alloy 20Cb-3
Nimonic API Type 6B Flange: Nimonic 80A, Nimonic 75, Nimonic 90
254 SMO API Type 6B Flange: ASME SA182 / ASTM A182, SMO 254/6Mo, UNS S31254, DIN 1.4547
Other API Type 6B Flange Material: Tin bronze, Alumunum bronze, Lead bronze
API 6A Type 6B 5000 PSI Weld Neck & Blind Flanges Dimensions

API 6B Flange Dimensions

Size

B

OD

C

K

P

E

T

Q

X

BC

N

H

LN

HL

JL

R/RX

2 1/16″ 53.2 215 3 124 95.25 7.9 46.1 38.1 105 165.1 8 26 110 60.3 43.7 24
2 9/16″ 65.9 245 3 137 107.95 7.9 49.3 41.3 124 190.5 8 29 113 73 54.9 27
3 1/8″ 81.8 265 3 168 136.53 7.9 55.6 47.7 133 203.2 8 32 125 88.9 67.5 35
4 1/16″ 108.7 310 3 194 161.93 7.9 62 54 162 241.3 8 35 132 114.3 88.1 39
5 1/8″ 131 375 3 229 193.68 7.9 81 73.1 197 292.1 8 42 164 141.3 110.3 44
7 1/16″ 181.8 395 6 248 211.15 9.7 92.1 82.6 229 317.5 12 39 181 168.3 132.6 46
9″ 229.4 485 6 318 269.88 11 103 92.1 292 393.7 12 45 224 219.1 173.8 50
11″ 280.2 585 6 371 323.85 11 119 108 368 482.6 12 51 265 273.1 216.7 54
API 6A Type 6B 2000 PSI Weld Neck & Blind Flanges Dimensions

Size

B

OD

C

K

P

E

T

Q

X

BC

N

H

LN

HL

JL

R/RX

2 1/16″ 53.2 165 3 108 82.55 7.9 33.4 25.4 84 127 8 20 81 60.3 53.3 23
2 9/16″ 65.9 190 3 127 101.6 7.9 36.6 28.6 100 149.2 8 23 88 73 63.5 26
3 1/8″ 81.8 210 3 146 123.83 7.9 39.7 31.8 117 168.3 8 23 91 88.9 78.7 31
4 1/16″ 108.7 275 3 175 149.23 7.9 46.1 38.1 152 215.9 8 26 110 114.3 103.1 37
5 1/8″ 131 330 3 210 180.98 7.9 52.4 44.5 189 266.7 8 29 122 141.3 122.9 41
7 1/16″ 181.8 355 6 241 211.15 7.9 55.6 47.6 222 292.1 12 29 126 168.3 147.1 45
9″ 229.4 420 6 302 269.88 7.9 63.5 55.6 273 349.3 12 32 141 219.1 199.1 49
11″ 280.2 510 6 356 323.85 7.9 71.5 63.5 343 431.8 16 35 160 273 248.4 53
13 5/8″ 346.9 560 6 413 381 7.9 74.7 66.7 400 489 20 35 57
16 3/4″ 426.2 685 6 508 469.9 7.9 84.2 76.2 495 603.2 20 42 65
21 1/4″ 540.5 815 6 635 584.2 9.7 98.5 88.9 610 723.9 24 45 73
API 6A Type 6B 3000 PSI Weld Neck & Blind Flanges Dimensions

Size

B

OD

C

K

P

E

T

Q

X

BC

N

H

LN

HL

JL

R/RX

2 1/16″ 53.2 215 3 124 95.25 7.9 46.1 38.1 105 165.1 8 26 110 60.3 50 24
2 9/16″ 65.9 245 3 137 107.95 7.9 49.3 41.3 124 190.5 8 29 113 73 59.7 27
3 1/8″ 81.8 240 3 156 123.83 7.9 46.1 38.1 127 190.5 8 26 110 88.9 74.4 31
4 1/16″ 108.7 290 3 181 149.23 7.9 52.4 44.4 159 235 8 32 122 114.3 98 37
5 1/8″ 131 350 3 216 180.98 7.9 58.8 50.8 191 279.4 8 35 135 141.3 122.9 41
7 1/16″ 181.8 380 6 241 211.15 7.9 63.5 55.6 235 317.5 12 32 148 168.3 147.1 45
9″ 229.4 470 6 308 269.88 7.9 71.5 63.5 299 393.7 12 39 170 219.1 189.7 49
11″ 280.2 545 6 362 323.85 7.9 77.8 69.9 368 469.9 16 39 192 273 237.2 53
13 5/8″ 346.9 610 6 419 381 7.9 87.4 79.4 419 533.4 20 39 57
16 3/4″ 426.2 705 6 524 469.9 11 100 88.9 508 616 20 45 66
20 3/4″ 527.8 855 6 648 584.2 13 121 108 622 749.3 20 54 74
API 6A 6B Equivalent Length Of Flanges
Weld Neck, Integral, Blinds, Equivalent
Test Pressure PSI 3000 PSI 4500 PSI 7500
Maximam
Working
Pressure
2000
PSI
3000
PSI
5000
PSI
Product
Spec
Levels
1, 2, 3 and 4 1, 2, 3 and 4 1, 2, 3 and 4
API
Temperature
Rating
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
K (-60 ° C)
to
Y (+345 ° C)
Integral, BLRF, Target BLRF and Test Flanges
Minimam Tensile 85 000 PSI 85 000 PSI 85 000 PSI
Minimam Yield 60 000 PSI 60 000 PSI 60 000 PSI
Material API 60K API 60K API 60K
API Type 6B Flanges Bolting Length

API Type 6B Flange Bolting Length

API Type 6B Flange Tolerance Formula
Nominal Size Of Bore Bore (Maximam) Outside Diameter (O.D.) Dimensional Tolerance Maximam 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
API Type 6B Blind Flanges Thickness Calculation For Pressure Vessel
NPS (Normal Pipe Size) "A"
(O.D.) Outside Daimeter
"B"
(Thick.)
"C"
(RF Daimeter)
"D"
(B.C.D.)
# Bolt
Holes
Diameter of
Bolt Holes
Apprx.
Weight In KG
1/2" 3-1/2 7/16 1-3/8 2-3/8 4 5/8 2
3/4" 3-7/8 1/2 1-11/16 2-3/4 4 5/8 2
1" 4-1/4 9/16 2 3-1/8 4 5/8 2
1-1/4" 4-5/8 5/8 2-1/2 3-1/2 4 5/8 3
1-1/2" 5 11/16 2-7/8 3-7/8 4 5/8 3
2" 6 3/4 3-5/8 4-3/4 4 3/4 4
2-1/2" 7 7/8 4-1/8 5-1/2 4 3/4 7
3" 7-1/2 15/16 5 6 4 3/4 9
3-1/2" 8-1/2 15/16 5-1/2 7 8 3/4 13
4" 9 15/16 6-3/16 7-1/2 8 3/4 17
5" 10 15/16 7-5/16 8-1/2 8 7/8 20
6" 11 1 8-1/2 9-1/2 8 7/8 27
8" 13-1/2 1-1/8 10-5/8 11-3/4 8 7/8 47
10" 16 1-3/16 12-3/4 14-1/4 12 1 67
12" 19 1-1/4 15 17 12 1 123
14" 21 1-3/8 16-1/4 18-3/4 12 1-1/8 139
16" 23-1/2 1-7/16 18-1/2 21-1/4 16 1-1/8 187
18" 25 1-9/16 21 22-3/4 16 1-1/4 217
20" 27-1/2 1-11/16 23 25 20 1-1/4 283
24" 32 1-7/8 27-1/4 29-1/2 20 1-3/8 415
API 6A Type 6B Flanges Mechanical Properties
Test Pressure 3 000 PSI 4 500 PSI 7 500 PSI 15 000 PSI 22 500 PSI 30 000 PSI
Maximum Pressure (Working) 2,000 PSI 3,000 PSI 5,000 PSI 10,000 PSI 15,000 PSI 20,000 PSI
Temperature Rating K (-60 Deg C) TO Y (+345 Deg C) K (-60 Deg C) To Y (+345 Deg C) K (-60 Deg C) To Y (+345 Deg C) K (-60 Deg C) To Y (+345 Deg C) K (-60 Deg C) To Y (+345 Deg C) K (-60 Deg C) To Y (+345 Deg C)
Product Specification Levels 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4
API 6B Flange Standard Gasket Size Chart
NPS Gasket I.D. Gasket O.D.
Class 150 Class 300 Class 400 Class 600 Class 900
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625
ASME B16.5 API Type 6B Flanges Types
  • API Type 6B Flanges
  • API 6A Type 6B 3000 PSI Weld Neck Flanges
  • High pressure API 6B Flange
  • API Type 6B 3000 PSI Weld Neck Flanges
  • API 6A Type 6B 3000 PSI Blind Flange
  • API 6B Threaded Flange
  • API 6B Flange
  • 3000psi (20.7mpa) API 6B Flange
  • 5000psi (34.5mpa) API 6B Flange
  • 10000psi(69.0mpa) API 6B Flange
  • API Type 6B 5000 PSI Flange
  • API 6A Type 6B Flange
  • API 6A Type 6B Blind Flange
  • API 6A Type 6B Threaded Flange
  • API 6A Type 6B Weld Neck Flange
  • API 6A Type 6B 3000 PSI Flange
  • API 6A Type 6B 2000 PSI Blind Flange
  • API 6B 5000 Flange
  • 15000psi(103.5mpa) API 6B Flange
  • 2000psi (13.8mpa) API 6B Flange
  • 2000psi (13.8mpa) API 6B Blind Flange
API Type 6B Flange Applications & Industries

We are well-known prestigious Manufacturers, Exporters, and Suppliers of high quality ASME B16.5 API Type 6B Flange. We supply API Type 6B Threaded Flange to customers in various industries including chemical, pharmaceutical, petrochemical, power, engineering and various other industrial applications. Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, Third Party Inspection Report and 100% Radiography Test Report.

Ready Stock of API Type 6B Flange Export to

AfricaAlgeria, Angola, Benin, Botswana, Burkina Faso, Burundi, Cabo Verde, Cameroon, Central African Republic (CAR), Chad, Comoros, The Democratic Republic of the Congo, Republic of the Congo, Cote d’Ivoire, Djibouti, Egypt, Equatorial Guinea, Eritrea, Ethiopia, Gabon, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mali, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Niger, Nigeria, Rwanda, Sao Tome and Principe, Senegal, Seychelles, Sierra Leone, Somalia, South Africa, South Sudan, Sudan, Swaziland, Tanzania, Togo, Tunisia, Uganda, Zambia, Zimbabwe

EuropeAlbania, Andorra, Armenia, Austria, Azerbaijan, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, Ireland, Italy, Kazakhstan, Kosovo, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Malta, Moldova, Monaco, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Turkey, Ukraine, United Kingdom, Vatican City

AmericaAntigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States of America, Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela

Asia/OceaniaAfghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, China, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Laos, Lebanon, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Oman, Pakistan, Palestine, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Syria, Taiwan, Tajikistan, Thailand, Timor-Leste, Turkey, Turkmenistan, United Arab Emirates (UAE), Uzbekistan, Vietnam, Yemen, Australia, Fiji, Kiribati, Marshall Islands, Micronesia, Nauru, New Zealand, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuatu

CONTACT

Please send us the complete details of API Type 6B Blind Flange requirement. We offer API Type 6B Flange, and API 6A Type 6B Flange which are accurately designed to provide satisfaction to our customers. We are assisted by a team of skilled professionals, who support us in all our career activities right from a realization of raw material to testing and final dispatch of these API Type 6B Weld Neck Flange at our valuable customers end. Buy API Type 6B Flangeat a cheap price from us.

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