304 Stainless Steel Round Bar (standard GB/T 702-2017, 06Cr19Ni10) is a solid long product for mechanical structural parts; projects requiring hollow round sections in the same 304 grade should refer to the stainless steel round tube range covering OD 3–630 mm.
| Element | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni |
|---|---|---|---|---|---|---|---|
| Content % | 0.07 | 1 | 2 | 0.035 | 0.03 | 18.0–20.0 | 8.0–10.5 |
Physical Properties: Density 7.93 g/cm³, melting point 1398–1454 °C, thermal conductivity 16 W/(m·K) (20 °C).
Mechanical Properties (Annealed): Tensile strength ≥520 MPa, elongation ≥40%, hardness ≤187 HB.
Chemical Properties: Good corrosion resistance in air, fresh water, and food-grade media; not resistant to seawater or strong acids/alkalis.
Diameter range (GB/T 702-2017):
| Diameter (mm) | Tolerance (mm) | Theoretical Weight (kg/m) |
|---|---|---|
| 10 | ±0.05 | 0.617 |
| 20 | ±0.08 | 2.466 |
| 50 | ±0.15 | 15.42 |
Length: Standard 6 m; cut-to-length 1–12 m; minimum order 50 kg.
Surface: Hot-rolled black skin, cold-drawn bright (Ra ≤1.6 μm), ground (Ra ≤0.8 μm).
Stainless Steel Profiles on Storage Racks
Spectrometer for Alloy Composition Analysis
Profile Weighing with Crane Scale
Factory Stacking of Stainless Steel Profiles
Packaged Stainless Steel Profiles for Shipment
Worker Loading Profiles onto Truck
Round bars used for transmission shafts in textile machinery commonly produced in machinery manufacturing workshops, featuring cold-drawn bright surfaces that resist lubricating oil corrosion and support reliable long-term operation.
Round bars used for outdoor railing posts widely installed in architectural facades, with polished surfaces that maintain durability and corrosion resistance against rainwater exposure.
Walmay will help match the right stainless product form and specification for your application, confirm quantities and packing needs, and provide requested documents based on order requirements.
