316L Stainless Steel Square Bar (standard GB/T 702-2017, 022Cr17Ni14Mo2) is a solid square-section steel with ultra-low carbon design to prevent intergranular corrosion.
| Element | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| Content % | 0.03 | 1 | 2 | 0.035 | 0.03 | 16.0–18.0 | 12.0–15.0 | 2.0–3.0 |
Physical Properties: Density 7.98 g/cm³, melting point 1375–1450 °C, thermal conductivity 15.2 W/(m·K) (20 °C).
Mechanical Properties (Annealed): Tensile strength ≥480 MPa, elongation ≥40%, hardness ≤187 HB.
Chemical Properties: Corrosion rate ≤0.01 mm/year in 65% nitric acid at 25 °C; excellent resistance to organic acids.
Reference cross-section sizes (GB/T 702-2017):
| Side Length (mm) | Tolerance (mm) | Theoretical Weight (kg/m) |
|---|---|---|
| 10 | ±0.05 | 0.785 |
| 20 | ±0.08 | 3.14 |
| 50 | ±0.15 | 19.625 |
Length: Standard 6 m; cut-to-length 1–12 m; minimum order 100 kg.
Surface: Hot-rolled black skin, pickled and passivated, cold-drawn bright (Ra ≤1.6 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
Bolts for offshore platform (20×20 square bar, resistant to seawater corrosion, strength matching grade 8.8 carbon steel).
Agitator shaft for reaction vessel (50×50 square bar, pickled and passivated, resistant to hydrochloric acid vapor).
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.
