304 Stainless Steel | Food processing, medical equipment | Material: 18-8% Cr-Ni (ASTM A240) Corrosion Resistance: Mild environments (ASTM A240) Tolerance: ±1% (ISO 3801) Surface: 2B (Base) ▲ No.4 (Advanced, brushed finish) | Cost-effective, widely available, hygienic. ▲ Advanced: Enhanced aesthetics with No.4 finish. | Limited chloride resistance; unsuitable for harsh chemicals. |
316 Stainless Steel | Marine, chemical plants, pharmaceuticals | Material: 16-12% Cr-Ni + 2% Mo (ASTM A240) Corrosion Resistance: Chloride-resistant (ASTM A240) Tolerance: ±1% (Base) ▲ ±0.5% (Advanced, precision) | Superior corrosion resistance, durable in harsh chemicals. ▲ Advanced: Tighter tolerance for critical applications. | Higher cost; heavier than 304. |
301 Stainless Steel | Automotive, structural components | Material: 17% Cr-7% Ni (ASTM A313) Mechanical Strength: High tensile (ASTM A313) Surface: 2D (Base) ▲ No.4 (Advanced) | Excellent formability and strength for load-bearing uses. ▲ Advanced: Improved surface durability. | Lower corrosion resistance than 304. |
430 Stainless Steel | Automotive trim, architectural cladding | Material: 17% Cr (ASTM A479) Magnetic: Yes (low Ni content) Corrosion Resistance: Indoor use only (ASTM A479) | Magnetic compatibility, cost-efficient for decorative purposes. | Poor outdoor corrosion resistance; prone to rust in wet environments. |
201 Stainless Steel | General fabrication, low-cost projects | Material: 17% Cr-4% Mn (ASTM A240) Corrosion Resistance: Reduced (ASTM A240) Tolerance: ±1% (ISO 3801) | Economical alternative to 304. | Susceptible to stress corrosion cracking; inferior longevity. |
316L Stainless Steel | Chemical processing, high-temperature systems | Material: Low-carbon 316 (ASTM A240) Corrosion Resistance: Enhanced pitting resistance (ASTM A240) Welding: Seamless (ASTM A240) | Superior weldability and corrosion resistance in extreme conditions. | Highest cost; niche applications. |