Long weld neck flange

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Long weld neck flange

Stainless steel long weld neck flange suppliers in UAE

Long weld neck flange specification


Long Weld Neck Flange Specification

Size LWNRF Flange sealing face types Long neck flange American standards
  • PN 2.5 – PN 400
  • 1/2″ to 48″
  • 15NB – 1200NB
  • For large or custom sizes below listed please contact stainless steel long welding neck flange suppliers in UAE
  • Raised Face (RF)
  • Tongue and Groove – T&G
  • Raised Face Long Weld Neck (RFLWN)
  • M&F – (Male Female face)
  • FF – (Flat Face or Plain Face)
  • Ring Joint – (RTJ)
  • ASME B16.5 (American Society of Mechanical Engineers)
  • ANSI B16.47 : Series A or Series B (American National Standards Institute)
Pressure class Types of LWN flange which has highest demand Manufacturing technique
  • 150 LB
  • 300 LB
  • 600 LB
  • 900 LB
  • 1500 LB
  • 2500 LB
  • Long Weld Neck RTJ Flange
  • Raised Face Long Weld Neck Flange
  • Forged (Most popular)
  • Plate
  • Cast
Marking Carbon steel long weld neck flange finish ASTM A105 LWNRF flange installations & applications
  • Sizes
  • Pressure class
  • Material grade
  • Face type
  • ASTM/ ASME standard
  • Manufacturing date
  • Manufacturer name/ logo
  • Origin of country
  • Spiral Serrated
  • Cold Water Finish (mirror finish)
  • Concentric Serrated
  • Stock Finish
  • Serrated finish
  • Smooth Finish
  • Industrial piping connection (High/ Low pressure)
  • Industrial vessels
  • Nuclear power
  • Power plants
  • Gas, Oil & petrochemical plants
  • Industrial mechanical systems
Number of Bolts Documentation Value added services
  • 4 To 20
  • Heat treatment charts
  • Material test certificates (MTC)
  • Welding procedure specification
  • Raw material test reports
  • Marking tagging
  • MTR’s Available
  • 24-hour emergency service
  • Cutting
  • Hot dipped galvanized
  • Beveling end
  • De-burring
  • Metal stampings
  • Coating/ polishing
SS long weld neck flange meet the requirements of LWN flange inspection criteria Manufacturing standards and origin country
  • NACE MR0103
  • NACE TM-0284
  • Sour service
  • ISO 15156
  • NACE MR0175
  • Material inspection
  • Hardness test
  • Positive Material Identification Test (PMI) – Important test to check chemical composition
  • Dimensional check by ruler, calibrated caliper or tape
  • Impact test
  • Shell pressure test
  • Dry film thickness check (for coating thickness by an elcometer)
  • Verify long weld neck RTJ flange are manufactured as per the work order
  • Tensile test
  • Visual inspection
  • GB/T 9112 / 9119 – China
  • AS 2129 – Australia
  • BS EN 1092-2 (Iron)- Europe
  • EN- Europe
  • KS – Korea
  • BS EN 1092-1 (Steel) – Europe
  • ASA – USA
  • MS 253 – Malaysia
  • AWWA – USA
  • ANSI – USA
  • MSS SP44 – USA
  • JIS – Japan
  • ISO 7005- Europe
  • PN – Europe
  • UNI 2276/ 6091 – Italy
  • BS EN 1092-3 (Alloy)- Europe
  • DIN- Germany
  • Ghost – Russia
  • API-605 – USA
  • CL 125 (Light weight) – USA
  • ASME- USA
  • BS 10- UK & Australia
  • MS 816 – carbon steel long weld neck flange – Malaysia
  • NF E 29-200/ NF E 29-203 – Framce
  • CSA B16.5/ B16.47 – Canada
Raised face long weld neck flange ANSI/ ASME standard list HS code for long weld neck flange
  • ASME/ANSI B16.20 – Ring Joint Gaskets for Steel Flanges
  • ASME/ANSI B16.1 – Gray Iron Flanges and Flanged Fittings: 25, 125, and 250 classes
  • ASME/ANSI B16.47 – Large Diameter Flanges (26 to 60 NPS)
  • ASME/ANSI B16.42 – Ductile Iron Flanges, 150 and 300 class
  • ASME/ANSI B16.34 – Large Diameter Flanges (26 to 60 NPS)
  • ASME/ANSI B16.21 – Nonmetallic Flat Gaskets for Steel Flanges
  • ASME/ANSI B16.24 – Cast Copper Flanges: 150 to 2500 classes
  • ASME/ANSI B16.5 – Forged Flanges, NPS 1/2 to 24″
  • 73072100
Grades of stainless steel long weld neck flange Grades of carbon steel long weld neck flange Grades of alloy steel long weld neck flange

Choose among the verified suppliers of carbon steel long weld neck flange in Dubai, compare price lists and quality

Buy all types of alloy steel long weld neck RTJ flange as per ASME b16.5, check manufacturing methods, advantages, and disadvantages

Not finding a specific size with your current importers? Check the list of very few but verified suppliers and get the perfect duplex LWNRF flange at the best price
Get benefits of the lowest price when buying from verified ASTM A182 F304 raised face long weld neck flanges manufacturers in the middle east and India.

Material of LWNRF flange :

 

Material Grades
Stainless Steel Long Welding Neck Flange ASME A182 F304, F304L, F316, F316L, F316Ti, F310, F310S, F321, F321H, F347, F347H, F317L, F904L
Carbon Steel Long Weld Neck Flange ASME SA105, ASTM A694 gr F42, gr F46, gr F52, gr F56, gr F60, gr F65, gr F70
Duplex & Super Duplex LWNRF Flange ASTM A240 F44 (UNS S31254), F60 (UNS S32205), F53 (UNS S32750), F51 (UNS S31803), F55 (UNS S32760), F61 (UNS S32550)
Inconel LWN Flange (Top Alloy 600/625 grade), 601, 617, 625LCF, 686, 690, 601GC, 602CA, 603XL, 693, 740H, MA754, 751, 725, 706, 718, 718SPF, MA758, 783, X-750
Incoloy Long Weld Neck RTJ Flange Alloy 800/H/HT, 803, 825, 832, 908, A-286, 27-7MO, 864, 890, 903, 907, 028, 020, 945, 925, 926, 330, 25-6HN, DS, 909, 945X, MA956
Hastelloy Long Neck Flange B, B-2, B-3, C, C-4, C-22, C-22HS, C-276, C-2000, G-3, G-30, G-35, N, S, W, X
Copper Nickel Raised Face Long Weld Neck Flange 90/10 Copper nickel, C70620, CW352H, EEMUA 234/3-6, CU-Ni 70/30, C7060T, WL 2.1972
Copper Long Welding Neck Flange ASTM SB61 UNS No. 10200, C10100, 10800, 12000, 12200, 10300
Monel RF Long Weld Neck Flange 400/401/404/R-405, 502, K-500
Nickel Alloy Long Neck Flange B564, Alloy 200, 201
Low Temp Carbon Steel LWN Flange ASME SA350 LF2, LF3 & LF6
Alloy Steel Long Weld Neck Flange ASME A182 F1, F5, F9, F11 (most selling grade), F12, F22, F91

 

SS long welding neck flange estimated import price and shipping time variations :

Trinidad And Tobago Jamaica Bahamas
Estimated Shipping 60 days 50 days 60 days
Extra cost 5% 5% 5%
Denmark Russia Norway
Estimated Shipping 35 days 20 days 45 days
Extra cost 5% 5% 5%
Note: Don’t forget to check latest price list from the genuine long weld neck flange suppliers, manufacturers and stockist listed on pipingmaterial.ae

Long Weld Neck Flange Material


Long Weld Neck Flange Material

Flanges