443 stainless steel bar belongs to the 4XX series ferritic stainless steels. It is produced by hot rolling or cold drawing processes, with surface finishes available in hot-rolled black or bright conditions.
| Element | Content (%) |
|---|---|
| C | ≤0.015 |
| Cr | 21.0–23.0 |
| Si | ≤1.0 |
| Mn | ≤1.0 |
| P | ≤0.030 |
| S | ≤0.015 |
| N | ≤0.015 |
| Ti | 0.10–0.30 |
| Property | Value | Test Standard |
|---|---|---|
| Density | 7.75 g/cm³ | GB/T 7999 |
| Tensile Strength | ≥410 MPa | GB/T 228.1 |
| Elongation | ≥20% | GB/T 228.1 |
| Salt Spray Test (NSS) | 500h no red rust | ASTM B117 |
| Hardness (HV) | 130–180 | GB/T 4340.1 |
Diameter: 6–150mm (Hot-rolled black bar tolerance ±0.2mm, cold-drawn bar ±0.05mm)
Length: 3000/6000mm (custom lengths up to 9000mm)
Surface finish: Hot-rolled black (NO.1), cold-drawn bright (NO.4)
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
A home appliance company (20250102 Walmay Group Introduction - Confidential.pdf partner) used 25mm cold-drawn 443 bar for drum shafts, showing better resistance to detergent corrosion than 430, extending service life to 8 years and reducing cost by 35% compared to 304.
A municipal water project used 40mm hot-rolled 443 bars, operating for 6 years in ≤100ppm chloride water, with corrosion rate ≤0.03mm/year.
In a Southeast Asian project, 30mm 443 bars were used for base connectors, welding deformation controlled within 0.5mm/m, meeting precision assembly requirements.
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.
