ANSI B16.5 600lb ASTM A105N LWN Long Weld Neck Flange Ring Type Joint used for shipbuilding

Dimensions : ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings

Size :DN10-DN6000

Flange Material:

Carbon steel:ASTM A105. ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH,P250GH, P280GHM 16MN, 20MN ,20#

Stainless steel:ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L

Duplex & Super Duplex Steel Long Weld Neck Flanges :ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61

Nickel Alloy Long Weld Neck Flanges :
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)

Class : 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.

Flange Face Type : Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Technical:Forged, Casting

Flange Surface:Anti-rust oil, clear lacquer, Black lacquer, Yellow lacquer, hot-dipped Galvanized, electrical galvanized

Connection:Welding, Threaded

Flange Heat Treatment:Normalizing, Annealing, Quenching+Tempering

Application:The flanges are used for the connection of tubes that transport water, oil, gas, etc.

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Product Details
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FAQ
Packages and shioment

What size is a long weld neck flange?

Long Weld Neck Flanges come in different sizes, but the most common sizes range from 1/2 inch to 24 inches in diameter. The length of the weld neck varies depending on the diameter of the flange. For example, a 6-inch flange might have a 4-inch long weld neck, while a 24-inch flange might have a 10-inch long weld neck.

What is Long Weld Neck Flanges?

Long Weld Neck Flanges are a type of pipe flange with a long, tapered neck that is butt-welded to the pipe. They are used in high-pressure applications, such as oil and gas pipelines, where their long neck provides additional reinforcement & reduces stress concentrations at the base of the flange. They are also used in applications where the pipeline needs to be insulated, as the long neck provides space for the insulation material.

Why use Long Weld Neck Flange?

The primary reason to use a Long Weld Neck Flange is its ability to reduce stress concentrations and provide additional support to the pipeline. The long neck allows for a smooth transition from the pipe to the flange, which helps to distribute stresses more evenly and reduces the risk of fatigue failure. Additionally, the long neck provides ample space for welding and insulation, which can further enhance the integrity & performance of the pipeline.

Size	1/2″-24″ 26″-48″
Thickness	sch5, sch5s, sch10s, sch10, sch20, sch30, sch40, sch40s, sch80s,STD, SCH60, XS, sch80, sch100, sch120, sch140, sch160, XXS, or as per your requirement
Standard	ASME B16.5, ASME B16.47A, ASME B16.47B, MSS SP 44, DIN 2632, DIN2633, DIN2634, DIN2635, DIN2636, JISB2220, BS4504, GB, etc
Mterial	carbon steel: A105, A350 LF2, A694 F52, F65, Q235 etc. Stainless steel: ASTM A182 F304, 304L, 316, 316L, 321, 1Cr18Ni9Ti, 00Cr19Ni10, A182 F51, F53, F55 etc.
Surface	usually paint black, galv., for carbon steel bend and alloy steel bend, and for stainless steel bends we usually dont do anything on the surface
Certification	ISO 9001:2015
Packing	plywood cases, pallets, or as per your request.
Application	Petroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction etc

Quality Products:
Raw Materials are adeuately tested
Conformaity to ASTM, ASME, DIN, EN, JIS.
Marking, Heat Number. Specificatios
100% Radiography Test Report
Third Party Inspection, Buyer Inspection
Value Added Services:
Epoxy & fbe coating
Hot dipped galvanizing.
Sand blasting
Electro polish or other special finishes
Custom shape cutting, fabrication services
Threading, soldering
Manufacturing Expertise:
Custom size flanges
High quality Industrial Flanges manufacturer.
Accurate dimensions
Products with unifrom wall thickness
We use top quality raw materials
Over 10 years of manufacturing experience

1. who are we?
We are based in PSCO, Cangzhou city Hebei province ,China pr, start from 2018,sell to Mid East(50.00%),Africa(30.00%),North America(20.00%).

There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
Ball valve,Butterfly Valve,Flanges,Pipe Fittings,Pipes

4. why should you buy from us not from other suppliers?
'C-Way Engineering Exports' is a leading manufacturer and exporter of Industrial Valves, Pipe Fittings, Flanges and trusted supplier of pipes from India. We are an ISO 9001:2015 certified and DUNS registered company. Our valves and fittings are CE approve

5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,CIP,CPT,DDP,DDU,Express Delivery；
Accepted Payment Currency:USD,EUR,JPY,CAD,AUD,GBP;
Accepted Payment Type: T/T,L/C,PayPal;
Language Spoken:English,Spanish,German,Arabic,French,

Package:1. Cartons
2. Wooden case

3. Plywood case

4. As the buyer's requirements.

Delivery Details:According to the quantities and specifications of each order;

Normal delivery times is from 25 to 35 days after receiving the deposit.

We prioritize safe and secure delivery of your products. Each fitting is carefully packed in high-quality packaging materials, such as wooden boxes or pallets, to prevent any damage during transit. We offer flexible delivery options based on your location and project timeline, with estimated delivery times ranging from 1 to 4 weeks depending on order size and customization requirements.