| Flanges Types | Weld Neck, Slip On, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 300 Lbs, 150 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Weld Neck Flanges Supplier in Saudi Arabia Supplying Carbon Steel, Stainless Steel & Alloy Steel Weld Neck Flanges
Hirvijay Flange is the best Weld Neck Flanges Supplier in Saudi Arabia, which deals with high-performance flange solutions that are used in areas of industrial piping and are of high pressure. Weld Neck Flanges have a long tapered hub that enables them to be directly welded to the pipe and this forms a strong and smooth transition with minimal concentration of stress. Such flanges have become very popular in the oil and gas industries, petrochemical facilities, power stations, and offshore platforms that have pipelines with high pressure and in high temperatures. Their strong constructions make them durable, seal without leakage as well as reliable in hard systems.
The purchasing of piping components by industrial buyers and engineering contractors is mostly done in trusted B2B platforms whereby certified materials and quality products are delivered to large infrastructure developments. Flanges are very crucial elements applied in the assembly of pipelines and which are used to join pipes, valves, pumps and other tools in an easy way to be inspected and maintained. The Weld Neck Flanges are particularly used in high pressure pipelines since the welded neck evenly distributes the stress throughout the pipeline and the flange joint.
The choice of various flangle types varies according to the needs of the system and the conditions of its use. Slip On Flanges are mostly employed in low to medium pressure pipelines because of their easy installation and low cost construction. In the meantime, Blind Flanges are solid flanges designed to seal the end of the pipelines or the opening in the pressure vessels, in case it needs to be expanded in the future and it can be maintained. Being a reliable Weld Neck Flanges Dealer In Saudi Arabia, the suppliers provide numerous sizes, classes of pressures, and grades of materials which fit in refineries, petrochemical plants, and heavy industrial piping systems.
Material & Grades of Weld Neck Flanges
Weld Neck Flanges are manufactured using various materials and grades to ensure superior mechanical strength, corrosion resistance, and reliable performance in demanding environments. Selecting the correct material grade is essential for maintaining pipeline safety and operational efficiency.
| Material | Grade / Standard | Specification | Type | Applications |
|---|---|---|---|---|
| Carbon Steel | ASTM A105 | ASTM | Weld Neck Flange | Oil & Gas pipelines |
| Stainless Steel | ASTM A182 F304 | ASTM | Weld Neck Flange | Chemical industries |
| Stainless Steel | ASTM A182 F316 | ASTM | Weld Neck Flange | Petrochemical plants |
| Alloy Steel | ASTM A182 F11 | ASTM | Weld Neck Flange | Power plants |
| Duplex Steel | ASTM A182 F51 | ASTM | Weld Neck Flange | Offshore pipelines |
Key Features & Advantages
- Designed for high-pressure and high-temperature applications
- Long tapered hub reduces stress concentration
- Excellent strength and structural stability
- Leak-proof welding connection with pipes
- Suitable for critical pipeline systems
- Available in various materials and pressure classes
- Long service life in demanding industrial environments
Chemical Composition (Example: Stainless Steel 316)
| Element | Percentage (%) |
|---|---|
| Chromium (Cr) | 16.0 – 18.0 |
| Nickel (Ni) | 10.0 – 14.0 |
| Molybdenum (Mo) | 2.0 – 3.0 |
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 1.0 max |
| Iron (Fe) | Balance |
Mechanical Properties (Example: SS 316 Weld Neck Flanges)
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa (min) |
| Yield Strength | 205 MPa (min) |
| Elongation | 40% (min) |
| Hardness | 217 HB (max) |
Equivalent Grade
| Standard | Grade |
|---|---|
| ASTM | A182 F316 |
| UNS | S31600 |
| EN | 1.4401 |
| DIN | X5CrNiMo17-12-2 |
Type of Sub-products
Flat Face Weld Neck Flanges Flat Face Weld Neck Flanges
Used for applications requiring a smooth, even sealing surface.
Raised Face Weld Neck Flange Raised Face Weld Neck Flange
The raised face allows for better gasket compression, ensuring a leak-proof and reliable connection.