303 stainless steel bar (1Cr18Ni9S) is an austenitic free-machining stainless steel. By adding sulfur (S≥0.15%) and selenium (Se), its machinability is significantly improved.
| Element | C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| Content % | ≤0.15 | ≤1.0 | ≤2.0 | ≤0.045 | ≥0.15 | 17.0–19.0 | 8.0–10.0 |
Physical: Density 7.93 g/cm³, Melting Point 1398–1454℃, Thermal conductivity 16 W/(m·K)
Mechanical (annealed): Tensile strength ≥520MPa, Yield strength ≥205MPa, Elongation ≥40%, Hardness ≤90HRB
Diameter: 3–100mm (Cold-drawn ±0.05mm, Hot-rolled ±0.1mm)
Length: 6m standard (customizable)
Surface: Bright (cold-drawn), black (hot-rolled), optional passivation
Stainless Steel Bar Inventory Racking System
Spectrometer for Alloy Composition Analysis
Finished Stainless Steel Bars on Storage Racks
Palletized Stainless Steel Bars on Workshop Floor
Secured Stainless Steel Bar Bundles for Shipment
Forklift Loading Bundled Stainless Steel Bars into Freight Truck
Bolts, nuts, shafts (e.g., transmission shafts in electronics)
Non-critical structural components (e.g., surgical instrument housings, polished after machining)
Non-magnetic shielding covers, battery casings
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.
