421 Stainless Steel Round Bar
Engineered for durability and performance, our 421 stainless steel round bars are tailored to meet the rigorous demands of industrial manufacturing, precision engineering, and structural projects. With consistent quality and strict dimensional control, they serve as the cornerstone for your high-reliability components.
Core Specifications
|
Item |
Details |
|---|---|
|
Material Grade |
421 Stainless Steel (Martensitic) |
|
Diameter Range |
5mm - 200mm (Customizable for bulk orders) |
|
Length |
3m, 6m, or Customized Lengths |
|
Surface Finish |
Cold Drawn (Smooth), Hot Rolled (Matte) |
|
Tolerance |
Diameter: ±0.05mm; Length: ±5mm |
Key Performance Advantages
Superior Strength: Martensitic structure ensures high tensile strength (≥700MPa) and hardness, suitable for load-bearing components.
Good Corrosion Resistance: Resists mild acids, alkalis, and atmospheric corrosion, ideal for indoor/outdoor applications.
Excellent Machinability: Easy to cut, drill, turn, and weld, reducing processing time and production costs.
Stable Dimensional Accuracy: Strict rolling and heat treatment processes guarantee consistent size for batch production.
Typical Applications
Widely used in:
Mechanical engineering: Shafts, gears, bolts, and fasteners
Precision instruments: Sensor components, valve stems
Automotive industry: Engine parts, exhaust system components
Construction: Structural brackets, decorative hardware
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