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Alloy Steel CoilsAlloy steel coils, born from human ingenuity and expertise, emerge from the careful combining of various metals. Manufactured with exacting precision, these coils reflect the joint efforts of talented professionals. Human-made alloy steel coils demonstrate superior strength, longevity, and toughness, rendering them essential across sectors such as automotive and construction. By emphasizing quality and performance, the hands-on methods behind their production guarantee that these coils satisfy rigorous standards for a wide range of uses, illustrating the balanced combination of human craftsmanship and metallurgical innovation.
| Specifications | ASTM A387 / ASME SA387 |
| Thickness | 1mm-300mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, 4050mm etc |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, 12000mm, 15000mm etc |
| Surface | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching Manufacturer and Supplier |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR) |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip Manufacturer and Supplier |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30% |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.0-4.0 | 32.0-38.0 | 19.0-21.0 | 29.85 min* | 2.0-3.0 | 0.045 max |
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 maintain an extensive inventory of more than 25,000 tons of top-quality materials ready and available in stock.
Get in touch with us for a fast quote tailored to your requirement.
We supply these Alloy Steel Coils in accordance with DIN, ISO, JIS or ANSI Standard.
Alloy Steel Coils serve a wide range of uses that mirror the variety of industries relying on them, led chiefly 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.
Yes, alloy steel coils are weldable. That said, the welding approach can differ based on the particular alloy makeup and characteristics of the coils. Typically, preheating and post-weld heat treatment might be necessary to avoid cracking and guarantee adequate weld strength. Furthermore, choosing the right welding method, filler material, and welding settings is crucial to produce top-quality welds and preserve the soundness of the alloy steel coils. Given proper preparation and execution, alloy steel coils can be effectively welded to manufacture a range of components and structures for varied industrial uses.
Alloy steel coils are used throughout numerous industries thanks to their adaptable characteristics. They are frequently employed in automotive production for engine parts, chassis, and suspension systems. Within construction, alloy steel coils serve as structural elements such as beams and columns. They are equally important in the aerospace sector for aircraft components like landing gear and engine parts. Additional uses encompass power generation equipment, mining machinery, tool production, and marine parts, where their strength, longevity, and corrosion resistance are greatly appreciated.
For welding alloy steel coils, multiple welding methods are advised depending on the particular needs of the application and the alloy makeup of the coils. Frequently applied welding methods include gas metal arc welding (GMAW), shielded metal arc welding (SMAW), and flux-cored arc welding (FCAW). Furthermore, methods like gas tungsten arc welding (GTAW) and submerged arc welding (SAW) can be appropriate for particular applications. Selecting a welding method relies on considerations like material thickness, the weld quality sought, and surrounding conditions. Adequate preparation, such as preheating and post-weld heat treatment, is frequently required to achieve strong and dependable welds on alloy steel coils.
Yes, machining or fabricating alloy steel coils involves a number of distinct factors to keep in mind. Alloy steel generally exhibits greater hardness and strength than carbon steel, which can make it more difficult to machine. As a result, selecting suitable cutting tools and machining settings is key to obtaining the intended outcomes while avoiding undue tool wear or distortion of the workpiece. Moreover, adequate lubrication and cooling play a vital role in preventing overheating and preserving dimensional precision throughout the machining process. Alloy steel coils might additionally call for preheating or post-weld heat treatment to reduce residual stresses and enhance machinability. In summary, thoughtful planning, correct tool selection, and following recommended machining guidelines are essential to the successful fabrication of alloy steel coils.
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