304L stainless steel is a low-carbon austenitic stainless steel alloy (Fe-Cr-Ni base) in wrought form, designed to minimize chromium carbide precipitation and intergranular corrosion during welding and high-temperature service. It is widely used in chemical processing, food and beverage production, pharmaceutical equipment, and marine environments where corrosion resistance combined with weldability is critical; engineers select 304L over standard 304 grade specifically when welded assemblies must maintain corrosion immunity in aggressive media without post-weld heat treatment.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Fatigue Strength (10⁷ cycles)(σf)2 entries | 240.0 | MPa | 20°C · air | ||
| ↳ | 185.0 | MPa | 288°C · air |