Grade 304 Austenitic Stainless Steel – The Universal Corrosion-Resistant Workhorse

Description

Grade 304 is the most widely utilized austenitic stainless steel globally, celebrated for its exceptional versatility, balanced corrosion resistance, and ease of fabrication. Classified as an 18-8 stainless steel (18.0-20.0% chromium, 8.0-11.0% nickel), it forms a stable austenitic microstructure that renders it non-magnetic at ambient temperatures. Unlike cost-efficient alternatives, 304 delivers reliable performance in atmospheric, freshwater, and food-contact environments, resisting rust and oxidation in mild corrosive conditions. It excels in formability-supporting bending, stamping, and welding-without compromising mechanical strength, making it a go-to choice for both consumer and industrial applications where reliability and cost-effectiveness are equally critical. While not suited for severe chloride or marine settings, its all-around performance has solidified its status as the industry standard for general-purpose stainless steel.

Chemical Composition (wt%)

C ≤ 0.08, Cr: 18.00-20.00, Ni: 8.00-11.00, Mn ≤ 2.00, Si ≤ 1.00, P ≤ 0.045, S ≤ 0.030

Mechanical Properties

Tensile Strength ≥ 520 MPa, Yield Strength ≥ 205 MPa, Elongation ≥ 40%, Hardness ≤ 200 HB

Advantages

Exceptional versatility and formability; reliable corrosion resistance in mild environments; non-magnetic at room temperature; easy to weld and machine; cost-effective for general-purpose use; excellent oxidation resistance.

Applications

Food processing equipment, kitchen appliances (sinks, refrigerators), architectural cladding, water tanks, tubing, fasteners, and general industrial components requiring consistent corrosion resistance.

Equivalent Grades

AISI 304, UNS S30400, EN 1.4301, GB 06Cr19Ni10, SUS304

 

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.