High-Quality Round Stainless Steel Bars (2mm, 3mm, 6mm) from China Suppliers & Factory - 201, 304, 316 Grades
Stainless Steel Rod
Stainless steel bars are long, round-sectioned stainless steel profiles, with mainstream grades including 201, 304, and 316L—316L stands out for its exceptional corrosion resistance in harsh environments. Their key advantages lie in strong corrosion resistance, high tensile strength, and good toughness, enduring moisture, pressure, and temperature variations. They’re easy to machine, weld, or polish, with surface finishes like pickling, 2B, and mirror polishing blending functionality and aesthetics, boasting a longer service life than carbon steel bars.
Applications span industries: machinery manufacturing uses them for shafts, gears, and fasteners; construction employs them as embedded parts and structural supports; automotive sectors adopt them for components like suspension parts; medical fields utilize them for surgical instrument components; hardware production transforms them into handles and hinges.
Installation requires pre-treatment—degreasing and derusting the surface. Connection methods depend on scenarios: welding for permanent joints, threaded machining for detachable connections, and precision fitting for mechanical parts. Post-installation, clean residues and inspect dimensional accuracy promptly.
In use, avoid direct contact with carbon steel to prevent galvanic corrosion; outdoor applications need proper fixing to resist wind loads. For acidic/alkaline media, select 316L grade and check for wear regularly.
Maintenance is straightforward: clean daily with neutral detergent; remove minor rust with specialized removers then re-passivate; inspect for cracks or deformation quarterly. Store in dry, ventilated areas to avoid moisture-induced rust, ensuring consistent performance across its service life.
Product Parameters
Product name |
Stainless Steel Bar |
Item |
Value |
Standard |
ASTM, GB |
Place of Origin |
China |
Model Number |
304 |
Application |
Building, mechanical |
Tolerance |
±1% |
Processing Service |
Bending, Welding, Decoiling, Punching, Cutting |
Steel Grade |
301, 304N, 310S, 410, 316Ti, 316L, 441, 316, 420J1, 321, 410S, 410L, 436L, 443, S32304, 314, 347, 430, 309S, 304, 439, 409L, 420J2, 436, 445, 304L, 904L, 444, 301LN, 429, 304J1, 317L |
Surface Finish |
Black, bright |
Delivery Time |
8-14 days |
Shape |
Round |
Grade |
200 Series / 300 Series / 400 Series |
Packing And Shipping
Frequently Asked Questions (FAQ)
Mainstream grades include 201, 304, and 316L, with 316L standing out for its exceptional corrosion resistance in harsh environments.
They are widely used in machinery manufacturing, construction, automotive sectors, medical fields, and hardware production for components like gears, fasteners, and surgical instruments.
Installation requires proper pre-treatment, specifically degreasing and derusting the surface to ensure optimal performance and joint integrity.
During use, you should completely avoid direct contact between the stainless steel bars and carbon steel to prevent galvanic corrosion.
Clean them daily with a neutral detergent, remove minor rust with specialized removers followed by re-passivation, and inspect for cracks or deformation on a quarterly basis.
They should be stored in dry, well-ventilated areas to avoid moisture-induced rust, ensuring consistent performance across their entire service life.




















