- sales@mariapipes.com
- Kuala lumpur, Malaysia
Home > Stainless Steel > Stainless Steel Welded Pipes
Maria Pipes and Tubes, located in Kuala Lumpur, Malaysia, has earned a solid reputation as a reliable manufacturer and supplier of **Stainless Steel Welded Pipes**. They provide top-notch piping solutions tailored for a variety of industrial needs. With a focus on advanced electric resistance welding (ERW) and electric fusion welding (EFW) techniques, the company ensures that their welded pipes boast precise dimensions and robust, dependable weld seams. Catering to sectors like oil & gas, chemical processing, construction, and food & beverage, Maria Pipes and Tubes offers a diverse range of stainless steel welded pipes in different grades, sizes, and finishes to suit specific project demands.
Stainless steel welded pipes are composed primarily of iron, chromium (10.5% or more), nickel, and molybdenum, providing excellent corrosion resistance. Mechanical properties include high tensile strength (up to 580 MPa), yield strength (up to 240 MPa), and good ductility. Advantages include resistance to rust and staining, high durability, and suitability for high-temperature applications. They are also lightweight, easy to install, and require low maintenance. These pipes are widely used in food processing, pharmaceuticals, and chemical processing due to their hygienic properties and aesthetic appeal.
| Dimensions | ASTM, ASME and API |
| Specifications | ASTM A312, ASTM A249, ASTM A213, ASTM A268, ASTM A269, ASTM A270, ASTM A778 |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | ERW / Welded / Fabricated / LSAW Pipes |
| Grades | 304, 304L, 304H, 321H, 321, 316, 316L, 316Ti, 310S, 347, 347H, UNS31803 Duplex |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Size | 1/8” NB to 36” NB, 1/4” OD to 36” OD sizes stainless steel welded tubes also available |
| Length | Single Random, Double Random & Cut Length. |
| Thickness | 1mm to 20mm, SCH 5/5S, 10/10S, 20/20S, 40/40S, 80/80S, 120/120S, 160/160S as per ANSI B36.19/36.10 |
| End | Plain End, Beveled End, Treaded |
| Finish | No.1 Pickled Finish, No.4 finish, BA Finish, Electropolished Welded Pipes |
| Delivery Condition | Hot Finish, Cold Finish, Bright Annealed, Polished, Annealed and Pickled, Passivated, Stress Relived, As Welded, Welded & Externally Polished, Welded Annealed & Pickled, Welded Cold Drawn Annealed & Pickled, Welded Cold Drawn Annealed Pickled & Externally Polished |
| Test Reports | PMI Test Reports, EN 10204 3.1 Certificate, NABL Approved Lab Report on Chemical and Mechanical Properties, NDT or Other Test Reports, 100% X-Ray Welding Reports |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti | Fe | |
| 304 | min. | 18.0 | 8.0 | |||||||||
| max. | 0.08 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | 0.10 | ||||
| 304L | min. | 18.0 | 8.0 | |||||||||
| max. | 0.030 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 12.0 | 0.10 | ||||
| 304H | min. | 0.04 | 18.0 | 8.0 | ||||||||
| max. | 0.010 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | 10.5 | |||||
| SS 310 | 0.015 max | 2 max | 0.015 max | 0.020 max | 0.015 max | 24.00 26.00 | 0.10 max | 19.00 21.00 | 54.7 min | |||
| SS 310S | 0.08 max | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 0.75 max | 19.00 21.00 | 53.095 min | |||
| SS 310H | 0.04 0.10 | 2 max | 1.00 max | 0.045 max | 0.030 max | 24.00 26.00 | 19.00 21.00 | 53.885 min | ||||
| 316 | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316L | min. | 16.0 | 2.03.0 | 10.0 | ||||||||
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | |||||
| 316TI | 0.08 max | 10.00 14.00 | 2.0 max | 0.045 max | 0.030 max | 16.00 18.00 | 0.75 max | 2.00 3.00 | ||||
| 317 | 0.08 max | 2 max | 1 max | 0.045 max | 0.030 max | 18.00 20.00 | 3.00 4.00 | 57.845 min | ||||
| SS 317L | 0.035 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 18.00 20.00 | 3.00 4.00 | 11.00 15.00 | 57.89 min | |||
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 19.00 | 9.00 12.00 | 0.10 max | 5(C+N) 0.70 max | |||
| SS 321H | 0.04 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 19.00 | 9.00 12.00 | 0.10 max | 4(C+N) 0.70 max | |||
| 347/ 347H | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 20.00 | 9.0013.00 | |||||
| 410 | min. | 11.5 | ||||||||||
| max. | 0.15 | 1.0 | 1.00 | 0.040 | 0.030 | 13.5 | 0.75 | |||||
| 446 | min. | 23.0 | 0.10 | |||||||||
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | 0.50 | 0.25 | ||||
| 904L | min. | 19.0 | 4.00 | 23.00 | 0.10 | |||||||
| max. | 0.20 | 2.00 | 1.00 | 0.045 | 0.035 | 23.0 | 5.00 | 28.00 | 0.25 | |||
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 304/ 304L | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 304H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 310 / 310S / 310H | 7.9 g/cm3 | 1402 °C (2555 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 40 % |
| 306/ 316H | 8.0 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 316L | 8.0 g/cm3 | 1399 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 317 | 7.9 g/cm3 | 1400 °C (2550 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 321 | 8.0 g/cm3 | 1457 °C (2650 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 347 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi 75000 , MPa 515 | Psi 30000 , MPa 205 | 35 % |
| 904L | 7.95 g/cm3 | 1350 °C (2460 °F) | Psi 71000 , MPa 490 | Psi 32000 , MPa 220 | 35 % |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The process of creating **Stainless Steel Welded Pipes** involves rolling stainless steel sheets or coils and welding the seam, resulting in pipes that are not only cost-effective but also maintain impressive mechanical properties and resistance to corrosion. Common grades such as 304, 316, 321, and 410 are selected based on the specific requirements of each application. These pipes are known for their strong resistance to oxidation, pitting, and chemical corrosion, making them ideal for transporting fluids and gases under moderate to high pressure. Their versatility and availability in larger diameters make them a go-to option for both structural and fluid transport needs.
Maria Pipes and Tubes, one of the largest suppliers of Stainless Steel Welded Pipes in Kuala lumpur, Malaysia, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
Yes, we offer custom sizes for Stainless Steel Welded 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.
Stainless steel welded pipes are widely utilized across various industries, playing a crucial role in chemical plants for process piping, in the food and beverage sector for hygienic transport, and in construction for architectural and structural applications. They are also frequently found in oil & gas pipelines, water supply systems, and heat exchangers. Thanks to their durability, corrosion resistance, and ease of fabrication, stainless steel welded pipes offer a dependable and cost-effective solution for both new installations and maintenance projects.
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