Lecong Stainless, a trusted manufacturer and supplier based in Da Nang, Vietnam, is all about delivering top-notch Stainless Steel EFW Pipes that meet the highest global standards for strength, durability, and performance. These pipes are crafted using the Electric Fusion Welding (EFW) process, which guarantees exceptional weld strength, a smooth surface finish, and precise dimensions. Made from premium stainless steel grades like 304, 316, 317, and 321, they boast impressive resistance to corrosion, heat, and pressure. Lecong Stainless stands behind their products, ensuring that these pipes offer a long service life and reliability, making them perfect for demanding sectors such as oil and gas, petrochemicals, power generation, and marine applications.
When it comes to composition, Stainless Steel EFW Pipes mainly consist of iron, chromium, and nickel, with specific grades enhanced by molybdenum, titanium, or nitrogen to boost mechanical strength and corrosion resistance. They showcase remarkable tensile and yield strength, high toughness, and robust resistance to pitting and stress corrosion cracking. The EFW manufacturing process not only refines the weld quality but also ensures greater consistency compared to traditional welded pipes. Their mechanical properties guarantee reliable performance even under high pressure, high temperature, and corrosive conditions across critical industries.
| Range : | 1/8” NB to 36” NB, 1/4” OD to 36” OD |
|---|---|
| Outer Diameter : | 6.35 mm O.D to 114.3 mm O.D |
| Thickness : | 0.8 mm to 12.7 mm |
| Length : | up to 26 Meters |
| Specifications : | ASTM A312 / ASTM SA312 |
| Types : | As Welded, EFW, ERW |
| End : | Plain End, Beveled End |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304 | min. max. | – 0.08 | – 2.0 | – 0.75 | – 0.045 | – 0.030 | 18.0 20.0 | – | 8.0 10.5 | – 0.10 |
| 304L | min. max. | – 0.030 | – 2.0 | – 0.75 | – 0.045 | – 0.030 | 18.0 20.0 | – | 8.0 12.0 | – 0.10 |
| 304H | min. max. | 0.04 0.10 | – 2.0 | – 0.75 | -0.045 | – 0.030 | 18.0 20.0 | – | 8.0 10.5 | – |
| Element | SS 304 |
|---|---|
| Density | 8.0 g/cm3 |
| Melting Point | 1400 °C (2550 °F) |
| Tensile Strength | Psi – 75000 , MPa – 515 |
| Yield Strength (0.2%Offset) | Psi – 30000 , MPa – 205 |
| Elongation | 35 % |
| Elongation | 35 % |
Contact us to get a quick quote for your requirement.
We perform high-quality testing on our materials before delivering them to customers. The tests performed are hardness check, chemical analysis, PMI testing, flattening tests, micro and macro examination. All necessary documents such as sales invoice, packing lists, certificates of origin, and a quality assurance letter are provided. For extra peace of mind, customers can ask for third-party inspection reports.
Yes, Stainless Steel EFW pipes can be used for underground applications due to their corrosion resistance, strength, and durability, making them ideal for transporting fluids and gases in harsh environments.
To select the right Stainless Steel EFW pipes, consider factors like the material grade, pipe size, pressure requirements, environmental conditions, and compatibility with the substances being transported. Consult with an expert if needed.
Stainless Steel EFW pipes are sized based on their nominal diameter (ND) and wall thickness, which determine their strength, pressure capacity, and suitability for various applications. Standard sizing follows industry specifications.
Common grades of stainless steel used in EFW pipe manufacturing include 304, 316, 316L, and 321. These grades offer excellent corrosion resistance, strength, and durability for various industrial applications.
These Stainless Steel EFW Pipes find their way into various applications, including fluid and gas transportation, heat exchangers, and chemical processing equipment. They’re widely used in refineries, offshore oil platforms, and marine engineering, thanks to their ability to endure harsh environments. In power plants, they play a crucial role in boilers and superheaters, while in the food and pharmaceutical sectors, they ensure the hygienic and contamination-free transfer of liquids. Their versatility, strength, and corrosion resistance make them essential for structural applications, pipelines, and process systems where durability and efficiency are key.
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