Home > Stainless Steel > Stainless Steel 440C Pipe
Stainless Steel 440C Pipesare high-carbon martensitic stainless steel, recognized for their outstanding hardness along with wear and corrosion resistance. With a high carbon content, they deliver superior strength and toughness, which makes them well-suited for use in demanding environments, including cutlery, bearings, and surgical instruments. Stainless steel 440C pipes can be heat-treated to reach high hardness levels, giving them resistance to both abrasion and corrosion. They are frequently used across industries that call for durable, high-performance stainless steel components exposed to extreme wear and friction.
| Thickness | 0.5mm-100mm | ||||||
| Outer diameter | 10mm, 25.4mm, 38.1mm, 50.8mm, 100mm, 250mm, 300mm, 350mm, etc | ||||||
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc | ||||||
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching, etc | ||||||
| Finish | Hot rolled (HR), Cold rolled Tube (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) | ||||||
| Form | Round tube Square tube Rectangular tube etc. | ||||||
Carbon | 0.95 to 1.20 | % | Manganese (Maximum) | 1.00 | % |
Phosphorus (Maximum) | 0.040 | % | Sulfur (Maximum) | 0.030 | % |
Silicon (Maximum) | 1.00 | % | Chromium | 16.00 to 18.00 | % |
Molybdenum (Maximum) | 0.75 | % | Iron | Balance |
| Temp°C | Tensile (UTS)N/mm² | 0.2% YieldN/mm² | Elongation(50.8mm) % | HardnessHRc | Reductionof Area |
| 20 | 1965 | 1896 | 2 | 57 | 10 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we hold an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.
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We supply these Stainless Steel 440C Pipes conforming to DIN, ISO, JIS or ANSI Standard.
Stainless Steel 440C Pipes serve applications as varied as the industries they support, led mainly by the aerospace, railway, construction and automotive sectors, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Stainless Steel 440C Pipesare dimensioned mainly according to nominal pipe size (NPS) and schedule. NPS specifies the nominal reference dimension, whereas the schedule indicates the thickness of the pipe wall. These pipes conform to industry standards for dimensions and come in a range of sizes and schedules to suit various applications and pressure needs. Choosing a size relies on factors such as intended purpose, flow demands, and structural considerations.
Stainless Steel 440C pipes, as a high-chromium martensitic stainless steel, demonstrate outstanding corrosion resistance across many environments. Nevertheless, they remain vulnerable to galvanic corrosion when placed in contact with dissimilar metals under specific electrolyte conditions. To reduce this risk, appropriate material selection and insulation strategies should be applied, including the use of compatible metals or the installation of insulating materials to block direct contact between dissimilar metals. Routine inspection and maintenance are likewise crucial for detecting and resolving any corrosion problems quickly.
Stainless Steel 440C pipes are suitable for natural gas uses, though it’s crucial to weigh factors like pressure, temperature, and local regulations. Although Stainless Steel 440C provides outstanding corrosion resistance and considerable strength, whether it can be used for natural gas transmission and distribution may hinge on particular project needs and industry standards. Working with engineers and following applicable codes and standards, like ASME B31.8 for gas transmission and ASTM A312 for stainless steel pipes, can help confirm the appropriateness and safety of Stainless Steel 440C pipes for natural gas uses.
Stainless Steel 440C pipes are suitable for underground use, though multiple factors must be taken into account. Although Stainless Steel 440C provides outstanding corrosion resistance, it’s important to evaluate the soil environment, the possibility of abrasion, and the likelihood of external harm caused by things like excavation or heavy machinery. Furthermore, correct installation methods, such as backfilling with appropriate materials and corrosion prevention steps like coatings or cathodic protection, are vital to guarantee the lasting durability and functionality of Stainless Steel 440C pipes below ground. Working with engineers and following applicable industry standards and regulations, like ASTM A790 for seamless and welded ferritic/austenitic stainless steel pipe, can assist in directing the selection and installation procedure for underground applications.
