304 Stainless Steel Round Bar (standard GB/T 702-2017, 06Cr19Ni10) is a solid long steel with a circular cross-section, mainly used for mechanical parts and structural components.
| 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
Transmission shaft for textile machinery (φ50 mm, cold-drawn bright surface, resistant to lubricating oil corrosion).
Outdoor railing posts (φ20 mm, polished, resistant to rainwater corrosion).
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.
