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Alloy Steel Grade 5 Pipes are precision-manufactured from a specialized steel composition, blending in key constituents like chromium, molybdenum, and nickel, alongside the base iron and carbon ingredients. This unique combination endows them with exceptional mechanical characteristics, delivering superior strength, hardness, and resistance to corrosion and extreme temperatures compared to standard carbon steel pipes. Extensively utilized throughout diverse industries including oil and gas, power generation, and automotive sectors, Alloy Steel Grade 5 Pipes are prized for their durability, reliability, and capability in demanding conditions. Fulfilling a variety of roles ranging from pipeline construction to structural elements and equipment, they serve a crucial function in boosting the efficiency and stability of industrial processes.
| Specifications | ASTM A 335 ASME SA 335 |
| Dimensions | ASTM, ASME and API |
| Size | 1/8″NB TO 30″NB IN |
| Tubing Size | 1 / 2” OD up to 5” OD, customs diameters also available |
| Outer Diameter | 6-2500mm; WT:1-200mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Grade | STM A335 Gr. P5, P9, P11, P12, P21, P22 & P91, ASTM A213 – T5, T9, T11, T12, T22, T91, ASTM A691 |
| Length | Within 13500mm |
| Type | Seamless / Fabricated |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
| Alloy Steel Gr 5 Pipe | C | Cr | Mn | Mo | P | S | Si |
| 0.05 – 0.15 | 1.00 – 1.50 | 0.30 – 0.60 | 0.44 – 0.65 | 0.025 max | 0.025 max | 0.50 – 1.00 |
| Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
| 415 min | 205 min | 30 min |
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 manufacturing facilities strategically situated in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials kept readily on hand.
Reach out to us for a fast quote tailored to your requirement.
We supply these Alloy Steel Gr 5 Pipe conforming to DIN, ISO, JIS or ANSI Standard.
High strength: Alloy steel grade 5 pipes offer high strength, which makes them well-suited for use in sectors like oil and gas, petrochemical, power generation, aerospace, and more. They are able to endure high-pressure environments and heavy loads.
Cost effective: While alloy steel Grade 5 pipes might carry a higher upfront cost than certain other materials, their durability along with improved corrosion and temperature resistance makes them economical over the long run, with little maintenance required and lasting performance.
Versatility: This pipe can be readily welded, fabricated, and machined, letting it be tailored to meet particular project needs. They come in a range of sizes and dimensions to fit various applications.
Temperature resistance: Alloy steel grade 5 pipes are able to endure high temperatures without giving up their mechanical properties. They work well for applications that involve carrying or processing high-temperature steam.
Corrosion Resistance: These pipes resist corrosion and oxidation even under high temperatures. This makes them ideal for environments where corrosive substances or elevated temperatures are frequently present.
Alloy Steel Gr 5 Pipe applications are as varied as the industries they cater to, driven 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.
Oil and Gas Industry: Oil and Gas Industry Alloy Steel Grade 5 Pipelines are extensively utilized to convey oil and gas products moved through pipelines across both upstream and downstream operations.
Automotive: These pipes serve the automotive sector in exhaust systems, turbochargers, and other high-performance parts where corrosion and corrosion resistance are needed
Aerospace and Defense: The aerospace and defence sectors employ Category 5 alloy steel pipe in aircraft engines, missile systems, and other critical applications demanding high strength, durability, and resistance in a strong
Chemical Processing: Alloy steel grade 5 pipe is well-suited for corrosive chemicals and high-temperature processing fluids. It is applied in chemical machinery for conveying acids, alkalis, and other corrosive substances.
Power generation: These pipelines are employed in power plants to convey steam at elevated temperatures and pressures. It serves in various components of electrical systems such as boilers, superheaters and reheaters.
Understand your needs:Identify the intended use and the particular conditions in which the alloy pipe will operate. Take into account elements like temperature, pressure, corrosion resistance, and the mechanical demands of your application.
Supplier Reputation: Select a trustworthy supplier known for delivering top-quality alloy steel pipe. Weigh aspects like the supplier’s experience, customer reviews, and testimonials.
Testing and Certification: Confirm that the alloy steel pipe complies with the relevant industry standards and specifications. For assured quality and performance, seek out certifications like ASTM, ASME, or API.
Size and Dimensions: Define the pipe size, wall thickness, and length you need according to what your application demands. Verify that the pipe dimensions align with the applicable standards and regulations.
Materials: Alloy Steel Grade 5 typically denotes ASTM A387 Grade 5, a chromium-molybdenum-free steel. Review the chemical composition to confirm it satisfies your needs for strength, hardness, and corrosion resistance.
Yes,alloy steel grade 5 (Gr 5) pipe can be joined through suitable welding methods like gas tungsten arc welding (GTAW), shielded metal arc welding (SMAW), or gas metal arc welding (GMAW). Preheating and post-weld heat treatment might be necessary to avoid cracking and preserve mechanical properties.
Yes,alloy steel grade 5 (Gr 5) pipe is recyclable once it has served its purpose. Scrap alloy steel is generally melted down and repurposed to make new alloy steel products. Recycling helps preserve resources, cuts down on waste, and lessens environmental impact, which makes it an eco-friendly choice for disposal.
Yes,Alloy steel grade 5 (Gr 5) pipe is suitable for underground use. It provides outstanding resistance to corrosion along with long-lasting durability, which makes it a good fit for settings involving soil and moisture. Applying appropriate coatings and cathodic protection can boost its resistance to corrosion and prolong the service life of the pipe.
When installing alloy steel grade 5 (Gr 5) pipe, take into account elements like careful handling to avoid damage, sufficient support to guard against stress and sagging, suitable welding methods for joints, and corrosion prevention steps to ensure durability. Adherence to applicable codes, standards, and safety regulations is critical.
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