304 & 316L Stainless Steel Square Bar Supplier | Corrosion-Resistant Industrial Grade Metal Stock | Fast Shipping & Direct Pricing

Precision-Crafted 304L Stainless Steel Square Bar for Demanding Industrial Applications

Engineered to ASTM standards with ±0.1%~0.3% dimensional tolerance, our 300 Series stainless steel square bars deliver exceptional corrosion resistance for structural integrity in chemical processing, medical equipment manufacturing, and high-stress construction projects. Available in 1mm-100mm diameters with 2B cold-rolled surface finish (120 mesh optional).

**Key Technical Specifications:**​

• ​**Material Grades:**​ 304L/316L/316Ti/321/310S/2205 dual-certified
• ​**Processing Capabilities:**​ Precision cutting, CNC bending, TIG welding & custom punching
• ​**Certified Performance:**​ Stress corrosion cracking resistance <0.2% yield strength at 200°C
• ​**Packaging:**​ Seaworthy wooden crates (60x40x40cm/unit) with anti-oxidation coating

**Operational Advantages:**​
✅ 7-day expedited production cycle
✅ 1-ton MOQ with flexible batch ordering
✅ 30% deposit + balance before shipment terms
✅ Full-package processing (decoupling to finishing)

**Industry-Proven Applications:**​

• Structural supports in coastal architecture
• Chemical reactor internal components
• MRI equipment frames & surgical tooling bases

All units undergo eddy current testing and mechanical property verification (tensile strength: ≥515 MPa, elongation: ≥35%). Custom chemical composition adjustments available for extreme temperature environments (-200°C to 850°C service range).