436L stainless steel
436L stainless steel coil is made from 436L stainless steel. This material is developed by reducing carbon and nitrogen from 434 stainless steel and adding titanium, niobium, or zirconium either individually or in combination. It is represented by various grades according to different standards, such as the Chinese National Standard GB - T with the numerical grade S11862, the new grade 019Cr18MoTi, and the old grade 00Cr17Mo.
In practical applications, the coil form of 436L stainless steel is advantageous for storage, transportation, and subsequent processing. This form allows for operations such as cutting, bending, and stamping according to specific requirements. It is widely used in various fields, for instance, in automotive manufacturing, where it can be processed to meet the shape requirements of exhaust pipes and other components; or in electronic device production, where it meets the precision component manufacturing needs.
Performance Characteristics
Physical Properties
Density: 7.7 g/dm³
Magnetism: Present
Thermal Properties: Specific heat capacity of 0.46 kg/(kg·K), among other parameters.
Chemical Properties
Pitting Resistance: Excellent
Chemical Composition: Contains chromium in the range of 16% - 18%, which influences performance.
Mechanical Properties
1.Strength
The tensile strength of 436L stainless steel is 410 MPa (for bars in solution treatment and plates in solution pickled condition), with a yield strength of 245 MPa. This strength range allows it to withstand certain external forces, making it suitable for manufacturing components that require strength, such as exhaust pipes in automotive applications.
2.Ductility
Its elongation rate (A/%) is 20% (in bars in solution treatment and plates in solution pickled condition). Generally, 436L steel can achieve an elongation rate of 33%, indicating good ductility. This characteristic allows for stretching, bending, and other forming operations during cold processing without cracking, which is crucial in manufacturing complex shapes in automotive parts or electronic device housings.
3.Hardness
The hardness of 436L stainless steel can be controlled within a certain range, such as HBW ≤217 and HRB ≤96 in the annealed state, with a hardness range of HB 150 - 180. During manufacturing, the hardness can be adjusted to meet different component requirements, such as increasing hardness for wear-resistant parts.
4.Impact Toughness
436L stainless steel exhibits good impact toughness, with a notched impact strength typically ranging from 100 to 150 J. This indicates its ability to resist sudden impacts without brittle fracture, ensuring safety and reliability during use, especially in components that may experience collisions or shocks in automotive applications.
Processing Performance
Weldability:436L stainless steel has good weldability and can be joined using conventional methods such as arc welding and TIG welding. Due to its low carbon and nitrogen content, and possible addition of stabilizing elements, the corrosion resistance of the weld seam against intergranular corrosion is relatively good, effectively preventing corrosion issues in welded areas and ensuring the overall performance and reliability of the welded structure.
Cold Processing: 436L stainless steel also possesses good cold processing performance, suitable for manufacturing various stainless steel parts and structural components. During cold processing operations such as cold rolling, bending, and stamping, it maintains good shape accuracy and mechanical properties, avoiding issues like cracking or performance degradation due to deformation during processing. This makes it widely applicable in precision manufacturing fields, such as electronic device production.
Applications
Automotive Industry
Used for components such as exhaust pipes.
Home Appliance Industry
Utilized in parts for washing machines and electronic products.
Chemical Equipment
Employed in reactors and other equipment.
Food Processing Equipment
Used for cookware and related items.
Architectural Decoration
Applied in exterior wall decoration and other architectural elements.
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