WELDNECK FLANGES / WNRF / RFWN / WNFF / FFWN
A weld neck flange is a type of flange that connects sections of pipe or equipment in a reliable and leak-proof manner. WNRF flanges unique design provides exceptional strength and durability, making it ideal for high-pressure and high-temperature applications. Whether you're involved in the oil and gas industry, chemical processing, or power generation, WNFF flanges play a vital role in ensuring smooth operations.
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Tesco Steel & Engineering is a leading exporter and manufacturer of a wide array of high quality ASME/ANSI/DIN standard Weld Neck Flanges in India. These flanges are typically buttwelded to a pipe.
DIMENSIONAL STANDARDS
Weldneck Flanges are available in the following standards:​
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1] ASME / ANSI Weld Neck Flanges
1.1) WNRF ASME / ANSI B16.5 #150
1.2) WNRF ASME / ANSI B16.5 #300
1.3) WNRF ASME / ANSI B16.5 #400
1.4) WNRF ASME / ANSI B16.5 #600​
1.5) WNRF ASME / ANSI B16.5 #900
1.6) WNRF ASME / ANSI B16.5 #1500
1.7) WNRF ASME / ANSI B16.5 #2500
1.8) WNRF ASME / ANSI B16.47 Series A #150
1.9) WNRF ASME / ANSI B16.47 Series A #300
1.10) WNRF ASME / ANSI B16.47 Series A #400
1.11) WNRF ASME / ANSI B16.47 Series A #600
1.12) WNRF ASME / ANSI B16.47 Series A #900
1.13) WNRF ASME / ANSI B16.47 Series B #75
1.14) WNRF ASME / ANSI B16.47 Series B #150
1.15) WNRF ASME / ANSI B16.47 Series B #300
1.16) WNRF ASME / ANSI B16.47 Series B #400
1.17) WNRF ASME / ANSI B16.47 Series B #600
1.18) WNRF ASME / ANSI B16.47 Series B #900
1.19) WNRF ASME / ANSI B16.1 #125
1.20) WNRF ASME / ANSI B16.1 #250
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2] API Weld Neck Flanges
2.1) API 605 Class 75 Weld Neck Flange
2.2) API 605 Class 150 Weld Neck Flange
2.3) API 605 Class 300 Weld Neck Flange
2.4) API 605 Class 400 Weld Neck Flange
2.5) API 605 Class 600 Weld Neck Flange
2.6) API 605 Class 900 Weld Neck Flange
2.7) API 6A Type 6BX 20000 PSI Weld Neck Flange
2.8) API 6A Type 6BX 15000 PSI Weld Neck Flange
2.9) API 6A Type 6BX 10000 PSI Weld Neck Flange
2.10) API 6A Type 6BX 5000 PSI Weld Neck Flange
2.11) API 6A Type 6BX 3000 PSI Weld Neck Flange
2.12) API 6A Type 6BX 2000 PSI Weld Neck Flange
2.13) API 6A Type 6B 5000 PSI Weld Neck Flange
2.14) API 6A Type 6B 3000 PSI Weld Neck Flange
2.15) API 6A Type 6B 2000 PSI Weld Neck Flange
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3] EN1092-1 Type 11 Weld Neck Flanges
3.1) EN 1092-1 Type 11 PN 2.5 Weld Neck Flanges
3.2) EN 1092-1 Type 11 PN 6 Weld Neck Flanges
3.3) EN 1092-1 Type 11 PN 10 Weld Neck Flanges
3.4) EN 1092-1 Type 11 PN 16 Weld Neck Flanges
3.5) EN 1092-1 Type 11 PN 25 Weld Neck Flanges
3.6) EN 1092-1 Type 11 PN 40 Weld Neck Flanges
3.7) EN 1092-1 Type 11 PN 63 Weld Neck Flanges
3.8) EN 1092-1 Type 11 PN 100 Weld Neck Flanges
3.9) EN 1092-1 Type 11 PN 160 Weld Neck Flanges
3.10) EN 1092-1 Type 11 PN 250 Weld Neck Flanges
3.11) EN 1092-1 Type 11 PN 320 Weld Neck Flanges
3.12) EN 1092-1 Type 11 PN 400 Weld Neck Flanges
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4] DIN Weld Neck Flanges
4.1) DIN 2631 PN 6 Weld Neck Flange
4.2) DIN 2632 PN 10 Weld Neck Flange
4.3) DIN 2633 PN 16 Weld Neck Flange
4.4) DIN 2634 PN 25 Weld Neck Flange
4.5) DIN 2635 PN 40 Weld Neck Flange
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5] BS 4504 Weld Neck Flanges
5.1) BS 4504 PN 2.5 Weld Neck Flange
5.2) BS 4504 PN 6 Weld Neck Flange
5.3) BS 4504 PN 10 Weld Neck Flange
5.4) BS 4504 PN 16 Weld Neck Flange
5.5) BS 4504 PN 25 Weld Neck Flange
5.6) BS 4504 PN 40 Weld Neck Flange
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6] BS 3293 Weld Neck Flanges
6.1) BS 3293 Class 150 Weld Neck Flange
6.2) BS 3293 Class 300 Weld Neck Flange
6.3) BS 3293 Class 400 Weld Neck Flange
6.4) BS 3293 Class 600 Weld Neck Flange
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7] AS 2129 Weld Neck Flanges
7.1) AS 2129 Table D Weld Neck Flange
7.2) AS 2129 Table E Weld Neck Flange
7.3) AS 2129 Table F Weld Neck Flange
7.4) AS 2129 Table H Weld Neck Flange
7.5) AS 2129 Table J Weld Neck Flange
7.6) AS 2129 Table K Weld Neck Flange
7.7) AS 2129 Table R Weld Neck Flange
7.8) AS 2129 Table S Weld Neck Flange
7.9) AS 2129 Table T Weld Neck Flange
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8] VSM 18703 Weld Neck Flanges
8.1) VSM 18703 PN 6 Weld Neck Flange
8.2) VSM 18703 PN 16 Weld Neck Flange
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9] SABS Weld Neck Flange
9.1) SABS 1123 Class 600 Weld Neck Flange
9.2) SABS 1123 Class 1000 Weld Neck Flange
9.3) SABS 1123 Class 1600 Weld Neck Flange
9.4) SABS 1123 Class 2500 Weld Neck Flange
9.5) SABS 1123 Class 4000 Weld Neck Flange
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10] MSS SP44 Weld Neck Flange
10.1) MSS SP44 Class 150 Weld Neck Flange
10.1) MSS SP44 Class 300 Weld Neck Flange
10.1) MSS SP44 Class 400 Weld Neck Flange
10.1) MSS SP44 Class 600 Weld Neck Flange
10.1) MSS SP44 Class 900 Weld Neck Flange
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11] NFE 29203 Weld Neck Flanges
11.1) NFE 29203 Type 11 PN 10 Weld Neck Flange
11.2) NFE 29203 Type 11 PN 16 Weld Neck Flange
11.3) NFE 29203 Type 11 PN 25 Weld Neck Flange
11.4) NFE 29203 Type 11 PN 40 Weld Neck Flange
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12] JIS Weld Neck Flanges
12.1) JIS 30K Weld Neck Flange
12.2) JIS 40K Weld Neck Flange
12.3) JIS 63K Weld Neck Flange​
AVAILABLE MATERIALS
Weldneck Flanges are available in the following materials:​​
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Stainless Steel Grades:
304: ASTM A182 F 304 / SS304 / 1.4301 / S30400 Weldneck / WNRF / WNFF flanges​
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316: ASTM A182 F 316 / SS316 / 1.4401 / S31600 Weldneck / WNRF / WNFF flanges
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309: ASTM A182 F 309 / SS309 / 1.4828 / S30900 Weldneck / WNRF / WNFF flanges
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310: ASTM A182 F 310 / SS310 / 1.4845 / S31000 Weldneck / WNRF / WNFF flanges
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317L: ASTM A182 F 317L / SS317L / 1.4438 / S31700 Weldneck / WNRF / WNFF flanges
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321: ASTM A182 F 321 / SS321 / 1.4878 / S32100 Weldneck / WNRF / WNFF flanges
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347: ASTM A182 F 347 / SS347 / 1.4961 / S34700 Weldneck / WNRF / WNFF flanges
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904L: ASTM A182 F 904L / SS904L / 1.4539 / N08904 Weldneck / WNRF / WNFF flanges
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Duplex Steel Grades:
F 51: ASTM A182 F51 / SAF 2205 Duplex / 1.4462 / S31803 Weldneck / WNRF / WNFF flanges
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F 53: ASTM A182 F53 / SAF 2507 Super Duplex / 1.4410 / S32750 Weldneck / WNRF / WNFF flanges
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F 55: ASTM A182 F55 / SAF 2507 Super Duplex / 1.4410 / S32760 Weldneck / WNRF / WNFF flanges
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F 60: ASTM A182 F60 / SAF 2205 Duplex / 1.4462 / S32205 Weldneck / WNRF / WNFF flanges
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Alloy Steel Grades:
F5: ASTM A182 F5 / Chrome Moly F5 / 1.7362 / K41545 Weldneck / WNRF / WNFF flanges
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F9: ASTM A182 F9 / Chrome Moly F9 / 1.7386 / K90941 Weldneck / WNRF / WNFF flanges
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F11: ASTM A182 F11 / Chrome Moly F11 / 1.7335 / K11597 Weldneck / WNRF / WNFF flanges
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F21: ASTM A182 F21 / Chrome Moly F21 / 10CRM0910 / K41545 Weldneck / WNRF / WNFF flanges
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F22: ASTM A182 F22 Weldneck / WNRF / WNFF flanges
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F91: ASTM A182 F91 / Chrome Moly F91 / 1.4903 / K21590 Weldneck / WNRF / WNFF flanges
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Carbon Steel Grades:
A105: ASTM A105 / Carbon Steel A105 / K03504 Weldneck / WNRF / WNFF flanges
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LTCS Grades:
A350 LF2: A350 LF2 Weldneck / WNRF / WNFF flanges
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Copper Nickel Grades:
C70600(90/10): C70600 / Cu-Ni 90/10 / 2.0872 Weldneck / WNRF / WNFF flanges
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C71500(70/30): C71500 / Cu-Ni 70/30 / 2.0882 Weldneck / WNRF / WNFF flanges
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C71640: C71640 Weldneck / WNRF / WNFF flanges
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Nickel Grades:
UNS N02200: UNS N02200 / Nickel 200 / 2.4066 Weldneck / WNRF / WNFF flanges
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UNS N02201: UNS N02201 / Nickel 201 / 2.4068 Weldneck / WNRF / WNFF flanges
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Monel Grades:
UNS N04400: UNS N04400 / Monel 400 / 2.4360 / B564 N04400 Weldneck / WNRF / WNFF flanges
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UNS N05500: UNS N05500 / Monel K500 / 2.4375 / B564 N05500 Weldneck / WNRF / WNFF flanges
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Alloy 20: Alloy 20 / 2.4660 / B462 Alloy 20 Weldneck / WNRF / WNFF flanges
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Inconel Grades:
UNS N06600: UNS N06600 / 2.4816 / Inconel 600 / B564 N06600 Weldneck / WNRF / WNFF flanges
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UNS N06601: UNS N06601 / 2.4851 / Inconel 601 / B564 N06601 Weldneck / WNRF / WNFF flanges
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UNS N06625: UNS N06625 / 2.4856 / Inconel 625 / B564 N06625 Weldneck / WNRF / WNFF flanges
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UNS N08800: UNS N08800 / 1.4876 / Inconel 800 / B564 N08800 Weldneck / WNRF / WNFF flanges
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UNS N08810: UNS N08810 / 1.4876 / Inconel 810 / B564 N08810 Weldneck / WNRF / WNFF flanges
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UNS N08825: UNS N08825 / 2.4858 / Incoloy 825 / B564 N08825 Weldneck / WNRF / WNFF flanges
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Hastelloy Grades:
UNS N10276: UNS N10276 / 2.4819 / Hastelloy C276 / B564 N10276 Weldneck / WNRF / WNFF flanges
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UNS N06022: UNS N06022 / 2.4602 / Hastelloy C22 / B564 N06022 Weldneck / WNRF / WNFF flanges
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UNS N10665: UNS N10665 Weldneck / WNRF / WNFF flanges
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UNS N06455: UNS N06455 Weldneck / WNRF / WNFF flanges
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Titanium Grades:
Gr 1: Titanium Gr1 Weldneck / WNRF / WNFF flanges
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Gr 2: Titanium Gr2 / 3.7035 / R50400 / B381 Grade 2 Weldneck / WNRF / WNFF flanges
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Gr 3: Titanium Gr3 Weldneck / WNRF / WNFF flanges
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Gr 5: Titanium Gr5 / 3.7165 / R56400 / B381 Grade 5 Weldneck / WNRF / WNFF flanges
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Maraging 300 UNS K93120 Weldneck / WNRF / WNFF Flanges
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Super Alloy 35N UNS R30035 2.4999 F688 R30035 Weldneck / WNRF / WNFF Flanges
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Zirconium 702 Weldneck / WNRF / WNFF Flanges
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Stellite Grade 6 Weldneck / WNRF / WNFF Flanges
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Stellite Grade 19 Weldneck / WNRF / WNFF Flanges
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Stellite Grade 25 Weldneck / WNRF / WNFF Flanges
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Alloy A286 Weldneck / WNRF / WNFF Flanges
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Alloy 28 Weldneck / WNRF / WNFF Flanges
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Alloy 230 Weldneck / WNRF / WNFF Flanges
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Invar 36 Weldneck / WNRF / WNFF Flanges
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Invar 42 Weldneck / WNRF / WNFF Flanges
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Tantalum R05200 Weldneck / WNRF / WNFF Flanges
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Cobalt L-605 2.4964 Haynes 25 Weldneck / WNRF / WNFF Flanges
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SS446 Weldneck / WNRF / WNFF Flanges
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XM 19 Nitrinic 50 S20910 Weldneck / WNRF / WNFF Flanges
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254 SMO Weldneck / WNRF / WNFF Flanges
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Nimonic 75 N06075 2.4951 2.4630 Weldneck / WNRF / WNFF Flanges
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RA 602CA 2.4633 N06025 Weldneck / WNRF / WNFF Flanges
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Waspaloy N07001 AMS 5708 AMS 5544 Weldneck / WNRF / WNFF Flanges
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Inconel X-750 2.4669 Weldneck / WNRF / WNFF Flanges
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Ferralium 255 UNS S32550 Weldneck / WNRF / WNFF Flanges
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Haynes 188 UNS R330188 Udimet 188 Cobalt Alloy 188 Weldneck / WNRF / WNFF Flanges
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310 MoLN UNS S31050 1.4466 Weldneck / WNRF / WNFF Flanges
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SS415 1.4313 S41500 Weldneck / WNRF / WNFF Flanges
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Sanicro 28 Weldneck / WNRF / WNFF Flanges
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Hastelloy G3 UNS N06985 Weldneck / WNRF / WNFF Flanges
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AA2024 Weldneck / WNRF / WNFF Flanges
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2014 Alloy UNS A92014 Weldneck / WNRF / WNFF Flanges
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Alloy 5083 Weldneck / WNRF / WNFF Flanges
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FASTEST DELIVERY IN THE WORLD
Tesco Steel & Engineering is focused on creating the fastest seamless experience to buy premium quality weldneck flanges. We export our products to more than 142 countries.
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We have most standard sizes in ready stock and ship them through air or sea depending on the size and weight of the products. In case of sizes which are not in stock, we can manufacture them in 3-4 days. For the most urgent orders, we are specialized in delivering the product to you within 7 days.
Countries we export to: Weld neck Flanges Manufacturers / Suppliers / Stockist in Kuwait, UAE, Germany, Saudi Arabia, West Africa, Iraq, Congo, Mexico, Bahrain, Canada, Philippines, Thailand, Kenya, Oman, Malaysia, Turkey, Qatar, Sudan, Netherlands, Oman, Nigeria, Lithuania, Gabon, Russia, Vietnam, Angola, Bolivia, Indonesia, UK, Yemen, Italy, United States, Venezuela, Spain, Iran, Estonia, Kazakhstan, Algeria, Jordan, Ecuador, Portugal, Colombia, Libya, Chile, Peru, Iran, South Africa, Bangkok, Namibia, Jeddah, Afghanistan, Israel, Zambia, Macau, Morocco, Denmark, Taiwan, Norway, Belarus, North Macedonia, Lebanon, Sri Lanka, Bhutan, Bulgaria, Albania, Ukraine, Belgium, Finland, Slovokia, Tibet, Romania, France, Brazil, Trinidad & Tobago, Fiji, Tunisia, Gambia, Mexico, Hungary, Zimbabwe, Mongolia, Ghana, Egypt, Kazakhstan, Czech Republic, Azerbaijan, Poland, Greece, Costa Rica, Kosovo, New Zealand, Croatia, Puerto Rico, Tanzania, Somalia.
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Major Exporting Areas: Weldneck Flanges Manufacturers / Suppliers / Stockist in Moscow, Port-Of-Spain, Seoul, Montreal, Dubai, Kuala Lumpur, Aberdeen, Tehran, Bogota, Petaling Jaya, Melbourne, Abu Dhabi, Courbevoie, Edmonton, Ho Chi Minh City, Bangkok, Toronto, Muscat, Milan, Busan, Mexico City, Perth, La Victoria, Santiago, Rio de Janeiro, London, Karachi, Los Angeles, Manama, Geoje-si, Atyrau, Sydney, Riyadh, New York, Jeddah, Houston, Granada, Jakarta, Brisbane, Algiers, Kuwait City, Dubai, Hanoi, Doha, Al Jubail, Chiyoda, Cairo, Gimhae-si, Caracas, Lagos, Al Khobar, Madrid, Singapore, Calgary, Colombo, Ulsan, Istanbul, Ahvaz, Dammam, Dallas, Texas, Ankara, Sharjah, Vung Tau, Angola, Benin, Burundi, Botswana, Burkina Faso, Cameroon, Douala, Central African Republic, Republic of Congo, Democratic Republic of Congo, Côte d'Ivoire, Djibouti, Eritrea, Ethiopia, Equatorial Guinea, Gabon, Guinea, Kenya, Liberia,Malawi, Mali, Mauritania, Mauritius, Casablanca-Settat, Tanger-Tetouan-Al Hoceima, Fès-Meknès, Marrakesh-Safi, Oriental, Béni Mellal-Khénifra, Souss-Massa, Laâyoune-Sakia El Hamra, Rabat-Salé-Kénitra region, Mozambique, Temara, Niger, Rwanda, Senegal, Sierra Leone, Sudan, Tanzania, Togo, Uganda, Bangkok, Bangchan, Khlong Sam Wa, Gemopolis, Lard Krabang, Pathumthani, Bangkadi, Navanakorn, Samut Prakarn, Bangplee, Bangpoo, Saraburi, Nongkhae, SIL I/Land, Chachoengsao, 304 I/P, Gateway City, Wellgrow, Rayong, Amata City, Eastern Seaboard, Hemaraj Eastern Seaboard, Rojana, Soam Eastern, Chonburi, Amata Nakorn, Hemaraj Chonburi, Pinthong, Ayutthaya, Bangpa-in, Saha Ratna Nakorn, Nakornratchasima, Kabinburi, Prachinburi, HCMC, Tan Thuan Export Processing Zone, Bien Hoa, Dong Nai Province, Amata City Bien Hoa Industrial Park, Long Binh Techno Park, Binh Duong Province, Vietnam Singapore Industrial Park, My Phuoc Industrial Park, Ho Nai Industrial Zone, Bau Xeo Industrial Park, Long Thanh Industrial Zone, Long Duc Industrial Park, Duc Hao I, Tan Huong, Long Jiang, Tra Noc I/II, Hung Phu I, Hiep Phuoc Industrial Park, Phuoc Dong Industrial Park, Dinh Vu – Cat Hai Economic Zone.