Mitchell Stainless is a well-respected manufacturer and supplier of top-notch Stainless Steel 904L Pipes based in Hamilton, New Zealand. They cater to a variety of industrial sectors with precision-engineered solutions. Known for their outstanding corrosion-resistant piping products, the company guarantees high performance in tough environments like chemical processing, marine engineering, and high-temperature applications. With cutting-edge manufacturing capabilities and strict quality control measures, Mitchell Stainless provides Stainless Steel 904L Pipes that adhere to global standards and meet specific customer needs. Their dedication to reliability, durability, and innovation has made them a go-to choice for industries looking for strong, long-lasting piping solutions throughout Hamilton and New Zealand.
Stainless Steel 904L Pipes are crafted from a high-alloy austenitic grade that features low carbon, 19–23% chromium, 4–5% molybdenum, 23–28% nickel, and added copper to boost corrosion resistance. This unique composition offers remarkable resistance to acidic, chloride-rich, and seawater environments. On the mechanical side, 904L boasts excellent toughness, high tensile strength, and outstanding stress-corrosion resistance, even at elevated temperatures. Mitchell Stainless ensures a precise chemical balance and conducts rigorous testing to deliver pipes with exceptional weldability, formability, and long-lasting performance in challenging industrial conditions.
| Standard | ASTM A312 |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24″ NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Thickness | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated Pipes |
| Form | Round, Square, Rectangular, Oval, Hydraulic Etc |
| Length | Single Random, Double Random & Required Length |
| End | Plain End, Beveled End, Treaded |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Stainless Steel Pipes, Finish as per customer Requirements |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| SS 904L | 0.020 max | 2.00 max | 1.00 max | 0.040 max | 0.030 max | 19.00 – 23.00 | 4.00 – 5.00 max | 23.00 – 28.00 | 1.00 – 2.00 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.95 g/cm3 | 1510 °C (2750 °F) | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
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We assures the highest quality standards in its Stainless Steel 904L pipes by higher grade testing procedures. Every pipe goes through extensive mechanical and chemical analysis, such as tensile, hardness, and corrosion resistance tests. All products are supplied along with relevant certificates like Mill Test Certificates (MTC) to assure the supplies are in accordance with international norms.
The SS 904L seamless pipe is a high-alloy austenitic stainless steel known for its exceptional corrosion resistance, making it ideal for harsh environments in chemical and marine industries.
The SS 904L welded pipe offers excellent corrosion resistance and strength, suitable for chemical processing, oil and gas, and marine applications, ensuring durability and reliability in harsh environments.
The SS 904L ERW pipe combines excellent corrosion resistance and high strength, making it ideal for chemical, petrochemical, and marine applications, offering durability and reliability in demanding environments.
The SS 904L EFW pipe provides superior corrosion resistance and high strength, ideal for chemical and petrochemical industries, ensuring durability and reliability in extreme environments and high-pressure applications.
The SS 904L rectangular pipe offers excellent corrosion resistance and high strength, ideal for structural and architectural applications in chemical, marine, and industrial environments, ensuring durability and longevity.
The SS 904L square pipe features high corrosion resistance and strength, making it suitable for structural, architectural, and industrial applications, particularly in harsh chemical and marine environments.
The Stainless Steel 904L Pipes from Mitchell Stainless are extensively used in industries that demand superior corrosion resistance and mechanical strength. Their remarkable performance makes them perfect for chemical processing plants, sulfuric acid handling systems, heat exchangers, oil and gas refineries, and pharmaceutical equipment. In marine engineering, these pipes can endure saltwater exposure and pitting, ensuring a long service life. They are also employed in pollution control equipment, desalination systems, and various other applications where durability and reliability are crucial.







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