Stainless Steel EFW Pipes are crafted through an electric fusion welding process that guarantees impressive structural integrity and uniformity, making them perfect for applications that demand precision and durability. These pipes boast outstanding resistance to corrosion, oxidation, and high temperatures, which makes them suitable for a variety of industrial settings. Available in different grades of stainless steel, they provide remarkable mechanical strength, smooth internal surfaces, and a long lifespan. With their consistent weld quality and precise dimensions, Stainless Steel EFW Pipes are a dependable choice for fluid transfer, structural applications, and critical engineering tasks across numerous industrial sectors.
These pipes are primarily made of chromium and nickel, with optional additions of molybdenum, nitrogen, or titanium, depending on the specific grade. These alloying elements boost corrosion resistance, mechanical strength, and weldability. In terms of mechanics, EFW pipes showcase high tensile strength, excellent hardness, and solid resistance to deformation under pressure and temperature changes. The electric fusion welding process creates clean, robust weld seams, ensuring structural stability. Their metallurgical makeup and mechanical reliability make them well-suited for challenging environments that involve corrosive substances and high operating conditions.
| 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 % |
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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.
Stainless Steel EFW Pipes find extensive use in industries like oil and gas, petrochemical processing, power generation, chemical plants, and water treatment systems. Their resistance to corrosion and thermal stability makes them ideal for transporting liquids, gases, and steam. These pipes are also employed in structural applications, heat exchangers, boilers, and high-temperature processing equipment. In marine settings, they deliver long-lasting performance against seawater corrosion. Plus, their smooth surfaces and precise dimensions make them a great fit for various applications.
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