All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
(751 products available)
This alloy steel is widely applied for various mechanical structures, especially where strength, toughness, and fatigue resistance are crucial. As a steel type with various uses, it comes in different forms suitable for specific applications. The prominent forms for the commercial market include the following.
SCM415 Round Bar
Conventionally, SCM415 steel is made available in round bar shapes as this format aids in strength and durability. Common applications for round bars include machine parts, shafts, and gears. Therefore, it is ideal in constructions where high strength and resistance to wear are significant factors.
SCM415 Flat Bar
Flat bars are ideal in this alloy because they suit machining and fabrication processes. Common applications include tool holders, brackets, and various machine components. In these areas, the flat bars' strength and toughness are requisite.
SCM415 Rod
Like chromoly steel, SCM415 is produced in rods, majorly utilized in precision machining applications. Its excellent mechanical properties make it ideal for creating components that should endure stress and fatigue, for example, pins and shafts.
SCM415 Sheet
SCM415 steel sheets are less common but are sometimes used when weight reduction and moderate strength are required. This form is majorly used in automotive applications where the steel needs to be formed into complex shapes.
SCM415 Customized Parts
Custom-made components are made from SCM415 steel when very specific tolerances and applications are required. These can range from specialized gears to bespoke machine components. These are specifically designed to handle unique loads or environmental conditions.
High Strength
One of the standout features of Scm steel is its high tensile strength, approximately 850 MPa (megapascals), and yield strength of around 640 MPa. Its strength allows SCM415 to hold heavy loads and resist deformation under extreme stresses. This entails making it suitable for structural and mechanical components in automotive and aerospace industries.
Toughness and Hardness
Toughness refers to a material's ability to absorb energy and not break, whereas hardness is the material's resistance to indentation and wear. SCM415 possesses both characteristics, making it highly resilient to impact and abrasion. Toughness is particularly imperative in high-stress environments, for example, when heavy machinery components necessitate resistance to sudden shocks.
Machinability
Another distinct feature of SCM415 is its relatively good machinability compared to other alloy steels. Its sulfur and lead additives improve its machinability. This means that parts made of this metal can be machined into desired shapes and sizes with less wear and tear on the tools. This is critical when very precise components are required in tight tolerances.
Heat Treatment
SCM415 alloy steel is also easily treatable, further enhancing its hardness and strength. Quenching and tempering this steel allow it to reach desirable mechanical properties for specific applications. This is especially critical in manufacturing processes that involve making tools or components requiring varying degrees of hardness.
Fatigue Resistance
Fatigue plays a vital role in how long a material can resist cyclic loading. Alloy steel 415 possesses exemplary fatigue resistance, making it ideal for parts subject to repeated load cycles. Thus, it is particularly useful in automotive applications, e.g., gears and drive shafts, where fatigue failure may arise.
Weldability
SCM415 alloy steel has decent weldability when proper procedures are followed. It allows for repairs and the assembly of components without losing structural integrity. This feature is an added benefit when components need to be welded during manufacturing.
Automotive Industry
The typical application for SCM415 is in automobile manufacture, specifically for gears, crankshafts, and drive shafts. These parts necessitate a combination of strength, toughness, and fatigue resistance, which SCM415 possesses. Thus, this makes it suitable for the demands of normal driving and extreme conditions.
Aerospace Components
Various aerospace components, for instance, landing gear and structural elements, require high strength-to-weight ratios. Since SCM415 is an alloy steel with exemplary strength and lighter weight compared to other metals, it is suitable for these components. It ensures durability while minimizing on weight.
Machinery and Equipment
SCM415 is broadly used in creating machine components, e.g., bolts, screws, and studs. It ensures the materials can withstand mechanical loads and friction. Likewise, it is utilized in mining and construction equipment where components must resist wear and tear under strenuous conditions.
Tool Manufacturing
In tool manufacturing, alloy steel makes an excellent choice for jigs, fixtures, and tooling components. The strength and hardness of SCM415 mean that tooling can sustain repeated use without deformation or failure. This is critical for maintaining accuracy and efficiency in production processes.
Industrial Applications
SCM415 alloy steel is also used for parts in industrial machinery, including gears, sprockets, and cams. The ability to treat this steel enhances its surface hardness, making it ideal for wear-prone applications. Common use is in heavy-duty gear systems in factories and other industrial plants.
When purchasing SCM415 alloy steel, for the quality of this material to be guaranteed, several key factors must be considered. Some of the fundamental factors to consider include the following.
Tensile Strength
This alloy's steel tensile strength is approximately 850 MPa. Although there are stronger alloys in the market, this steel's tensile strength is decent enough for it to work in any structure that needs to support heavy loads. Therefore, check how much the steel alloy can handle before placing an order. Moreover, ensure the strength is combined with ductility to allow the material to bend without breaking.
Hardening and Heat Treatment
Look for SCM415 steel that has been quench-tempered. This hardening process greatly increases the material's hardness and strength without making it brittle. Untreated SCM415 is typically wear-resistant but can be better by tempering and quenching. Treating it can allow the formation of an exceptional tool steel.
Machinability
The usual machinability of SCM415 alloy steel is decent compared to other alloys, especially when it contains additives such as lead and sulfur. Good machinability ensures that the steel can be fabricated into complex parts without excessive tool wear. It also impacts lead times, as more machinable materials can be worked on faster. Therefore, to purchase this steel in bulk, consider its machinability for an easy working process. It will also be beneficial when ordering sharp tooling required for machining the metal.
Weldability
Although alloy steels are generally weldable, proper preheating and post-weld treatments are necessary. This means that for a welder to make quality welds, adequate preparation must be adhered to. Look for steel with guidelines that ensure successful welding. For instance, there should be adequate information on preheating and post-weld temperature maintenance.
Purity and Composition
To make the best of SCM415 steel, ensure it has the required chemical composition for optimum performance. The steel contains 0.15% carbon, 0.3% silicon, 0.7% chromium, and 0.25% nickel. Also, check the elemental purity of the alloy to avoid counterfeit metals with low-quality performance.
Versatility
This low alloy steel type is used for diverse applications. The common usages include automotive components, machined parts, and mechanical structures. This wide usage is due to its optimal balance between strength, toughness, and machinability. As the alloy possesses different forms that suit various applications, this makes it easier to manufacture custom components.
Strength and Durability
With an alloy composition containing chromium and molybdenum, SCM415 has exemplary tensile and yield strength. The composition makes the alloy very strong and able to withstand heavy loads and resist deformation. Therefore, as a result, it is very durable and can withstand wear and tear, making it very useful for all mechanical parts.
Heat Treatment Enhancement
SCM415 alloy steel is easily treatable, enhancing its hardness and strength. Quenching and tempering allow the steel to reach desired mechanical properties for specific uses. This is especially helpful in manufacturing processes requiring tools and machine components with varying hardness levels. Buyers can thus use the steel for creating obvious-value products.
Fatigue Resistance
Its notable fatigue resistance makes it ideal for components subject to cyclic loads, for example, gears, shafts, and spring. It helps retard fatigue failure, eventually leading to reduced maintenance needs and longer service lives for critical parts. This is particularly beneficial in heavy machinery and automotive applications, where component replacement is tasking.
Improved Machinability
While alloy steels are highly regarded for their strength and toughness, they can also be detrimental during machining. For SCM415, however, the addition of sulfur and lead improves its machinability. This means it can be precisely machined into intricate shapes without excessive wear on the tools. This actually results in better surface finishes during fabrication. Improved machinability reduces time and labor costs in processing, leading to greater efficiency during production.
A1: This kind of alloy steel is renownedly used in the automotive, aerospace, and machinery industries for various structural and mechanical components such as gears, shafts, and bolts. Buyers can find popular uses of SCM415 in custom steel parts and tools in business.
A2: The steel has a good mix of toughness, strength, and machinability compared to other alloy steels like 4130. It is ideal for industrial use where wear and tear are prevalent, and so are stress and load.
A3: Generally, alloy steel has decent weldability, especially when proper preheating and post-weld treatments are adhered to. Welds on this steel manage to maintain good structural integrity.
A4: Heat treatment enhances hardness and strength when SCM415 is quenched and tempered. It is then enabled to meet optimal mechanical performance thresholds for specific usages, especially in tool and machine part manufacture.
A5: This steel alloy contains notable ranges of chromium, molybdenum, carbon, silicon, and nickel. The elements work together to reinforce strength, corrosion resistance, and overall typical performance of SCM415.
