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**Maria Pipes and Tubes**, located in Kuala Lumpur, Malaysia, stands out as a trusted manufacturer and supplier of **Stainless Steel ERW Pipes**. They provide top-notch welded piping solutions tailored for a wide array of industrial uses. By leveraging cutting-edge Electric Resistance Welding technology, the company ensures that their pipes adhere to international standards for strength, corrosion resistance, and precise dimensions. These pipes find their place in various sectors, including oil & gas, petrochemical, chemical processing, power generation, pharmaceuticals, and construction, delivering dependable performance in numerous fluid and gas transport systems.
Stainless Steel ERW (Electric Resistance Welded) pipes are made primarily from austenitic stainless steel grades, commonly 304 and 316. These pipes offer excellent mechanical properties, including high tensile strength (up to 550 MPa), yield strength (up to 250 MPa), and good elongation (up to 40%). Advantages include superior corrosion resistance, durability, and low maintenance. Their smooth surface enhances flow characteristics, making them ideal for various applications, including plumbing, food processing, and chemical industries, while their weldability allows for efficient fabrication.
| Standard Specification | ASTM A312, A270, A249, A269, A268, A358, A213 |
| ANSI / ASME Specification | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Shapes and Types we produce | Hex, Hydraulic, Square, Round, Honed, Rectangle |
| Manufacturing Type | Fabricated, 100% X Ray Welded, ERW (Electric Resistance Welded), CDW, Welded |
| Pipe End Forming | Plain One End, Beveled One End, Bevel large end, Bevel one end, Bevel both ends, Beveled end, Bevel small end, Plain Both Ends, Treaded Both Ends, Treaded On End |
| Various TDC Types | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Material Surface Finish | 2B, No.4, No.1, No.8 Mirror Finish or custom Finish as per customer Requirements |
| ASME B36.10 Pipe Schedules | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Available Value Added Services | Color Coding, Cutting, Threading, Grooving, Export Documentation, MTR’s Available, Polishing, Material testing, Beveling, Destructive, Threading, Export Packaging, Destructive, Machining, Non Customer Tagging/ Marking, Ultrasonic Testing |
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| Grade | Elastic Modulus (GPa) | Electrical Resistivity (nΩ.m) | Mean Coefficient of Thermal Expansion (μm/m/°C) | Density (kg/m3) | Specific Heat 0-100°C (J/kg.K) | Thermal Conductivity (W/m.K) | |||
|---|---|---|---|---|---|---|---|---|---|
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | |||||
| SS ERW Pipe | 193 | 720 | 17.2 | 17.8 | 18.4 | 8000 | 500 | 16.2 | 21.5 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Choosing Stainless Steel ERW Pipes from Maria Pipes and Tubes ensures high-quality, corrosion-resistant pipes with excellent durability and strength. We provide reliable performance in demanding environments, and our electric resistance Welded (ERW) process guarantees superior precision and consistency in manufacturing.
The fabrication of **Stainless Steel ERW Pipes** involves rolling stainless steel strips into cylindrical shapes and then welding them along the length using electric resistance heat. This method results in pipes that boast consistent wall thickness and smooth internal surfaces, making them ideal for high-pressure applications that demand structural integrity. Common grades such as 304, 304L, 316, 316L, 321, 347, and 904L each bring unique benefits in terms of corrosion resistance, strength, and suitability for different environments. These pipes can be produced in sizes ranging from 1/8″ to 36″ in outer diameter, with wall thicknesses and lengths customized to fit specific project needs.
| Nominal size in Inch | Wall thickness in Inch | Outside diameter in mm | Wall thickness in mm | Outside diameter in Inch | Weight [Kg/M] | Weight [lb/ft] |
|---|---|---|---|---|---|---|
| 1/2 Inch | 0.065 | 21.3 mm | 1.65 | 0.840 | 0.80 | 0.54 |
| 3/4 Inch | 0.065 | 26.7 mm | 1.65 | 1.050 | 1.03 | 0.69 |
| 1 Inch | 0.065 | 33.4 mm | 1.65 | 1.315 | 1.30 | 0.87 |
| 1 1/4 Inch | 0.065 | 42.2 mm | 1.65 | 1.660 | 1.66 | 1.12 |
| 1 1/2 Inch | 0.065 | 48.3 mm | 1.65 | 1.900 | 1.91 | 1.28 |
| 2 Inch | 0.065 | 60.3 mm | 1.65 | 2.375 | 2.40 | 1.61 |
| 2 1/2 Inch | 0.083 | 73.0 mm | 2.11 | 2.875 | 3.71 | 2.49 |
| 3 Inch | 0.083 | 88.9 mm | 2.11 | 3.500 | 4.54 | 3.05 |
| 3 1/2 Inch | 0.083 | 101.6 mm | 2.11 | 4.000 | 5.21 | 3.50 |
| 4 Inch | 0.083 | 114.3 mm | 2.11 | 4.500 | 5.88 | 3.95 |
| 5 Inch | 0.109 | 141.3 mm | 2.77 | 5.563 | 9.52 | 6.40 |
| 6 Inch | 0.109 | 168.3 mm | 2.77 | 6.625 | 11.38 | 7.65 |
| 8 Inch | 0.109 | 219.1 mm | 2.77 | 8.625 | 14.87 | 9.99 |
| 10 Inch | 0.134 | 273.1 mm | 3.4 | 10.750 | 22.76 | 15.29 |
| 12 Inch | 0.156 | 323.9 mm | 3.96 | 12.750 | 31.44 | 21.13 |
| 14 Inch | 0.156 | 355.6 mm | 3.96 | 14.000 | 34.56 | 23.22 |
| 16 Inch | 0.165 | 406.4 mm | 4.19 | 16.000 | 41.83 | 28.11 |
| 18 Inch | 0.165 | 457.0 mm | 4.19 | 18.000 | 47.09 | 31.64 |
| 20 Inch | 0.188 | 508.0 mm | 4.78 | 20.000 | 59.70 | 40.12 |
| 22 Inch | 0.188 | 559.0 mm | 4.78 | 22.000 | 65.75 | 44.18 |
| 24 Inch | 0.218 | 610.0 mm | 5.54 | 24.000 | 83.11 | 55.85 |
| 30 Inch | 0.250 | 762.0 mm | 6.35 | 30.000 | 119.09 | 80.02 |
Yes, we offer custom sizes for Stainless Steel ERW Pipes to meet your specific requirements. Our team at Maria Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@mariapipes.com.
These pipes play a crucial role in transporting liquids, gases, and solids across various industrial processes. Their uses span fluid and gas transport systems, structural components, heat exchangers, and pipelines. The blend of cost-effectiveness, strength, and corrosion resistance makes Stainless Steel ERW Pipes a go-to choice for many industries. Choosing the right stainless steel grade, size, and wall thickness is vital to meet specific requirements and performance expectations, ensuring long-lasting reliability.
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