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High-quality round metal bars (2mm, 3mm, 6mm) made of 201, 321, 304, 316, ASTM A479, or 410 stainless steel, conforming to standards A479 and A479

Stainless steel round bars are long, rectangular stainless steel profiles with a regular circular cross-section. The mainstream material grades include 201, 304, and 316L, which offers superior corrosion resistance. Surface treatments include pickling, 2B cold rolling, and mirror polishing. Diameters range from 5mm to 200mm, with a standard length of 6m, but custom lengths are also available. Suitable for precision machining, embedded building components, and hardware manufacturing, these bars combine high rigidity and weather resistance, making them a commonly used basic metal component in many industries.

Product Description

Stainless Steel Rod Overview

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.

Stainless Steel Rod Detail
Stainless Steel Rod Texture

Wide Applications

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 Tips

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.

Usage & Maintenance

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

Specification Item Details
Product Name Stainless Steel Bar
Standard ASTM, GB
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
Shape Round
Grade Range 200 Series / 300 Series / 400 Series

Packing And Shipping

Packaging Detail 1
Packaging Detail 2

Frequently Asked Questions

What are the primary advantages of 316L stainless steel rods?
316L is specifically known for its exceptional corrosion resistance, making it ideal for harsh or marine environments compared to standard 304 grades.
In which industries are these stainless steel bars commonly used?
They are widely used in machinery manufacturing (shafts/gears), construction (structural supports), automotive components, medical instruments, and hardware production.
What surface finishes can be applied to the rods?
Common finishes include pickling, 2B, and mirror polishing, which provide different levels of functionality and aesthetic appeal.
How should stainless steel rods be maintained to prevent rust?
Daily cleaning with neutral detergent is recommended. For minor rust, use specialized removers and re-passivate. Always store in dry, ventilated areas.
What connection methods are suitable for installation?
Depending on the application, you can use welding for permanent joints, threaded machining for detachable connections, or precision fitting for mechanical parts.
What is the standard delivery time for these products?
Typically, the delivery time ranges between 8 to 14 days depending on the specific order requirements and processing services.

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