What is the difference between SS 204 and 304?

SS 204 vs 304 Stainless Steel:

Introduction to SS 204 vs 304 Stainless Steel

SS 204 and 304 are both austenitic stainless steels, but they differ in composition, properties, and applications. SS 304 is a 300-series alloy with high nickel for superior corrosion resistance, while SS 204 is a 200-series alloy with low nickel and high manganese for cost savings. Understanding these differences is crucial for selecting the right material. Gangsteel, a leading manufacturer and exporter in China, supplies both grades compliant with ASME SA240. As specialists in ASME SA240 stainless steel plates, Gangsteel offers customized solutions for global clients. This guide compares SS 204 and 304, including ss 304 plate density, sa-240 304l material, and other key aspects.

What is SS 204 Stainless Steel?

SS 204 is a 200-series austenitic stainless steel with low nickel (1-3%) replaced by manganese (5-7%), making it cheaper but less corrosion-resistant. It is equivalent to UNS S20400 and suitable for indoor applications like furniture. Gangsteel's SS 204 meets standards for materiale sa 240 304 alternatives, with ss 304 non magnetic properties similar to 304.

What is SS 304 Stainless Steel?

SS 304 is a 300-series austenitic stainless steel with high nickel (8-10.5%) for excellent corrosion resistance and ductility. It is equivalent to UNS S30400, EN 1.4301, and used in corrosive environments. Gangsteel’s SA240 Gr 304 is ideal for sa 240 type 304 304l variants, with sa 240 304l material for low-carbon needs.

Chemical Composition Comparison

The table below shows the compositions:

For sa 240 304 material and material sa 240 304, 304's composition ensures better durability.

Mechanical Properties Comparison

SS 204 is harder, while SS 304 is more ductile.

Corrosion Resistance: SS 204 vs 304

SS 304 has better corrosion resistance due to higher nickel, making it suitable for outdoor or humid environments. SS 204 is prone to rust in moist conditions and is best for indoor use.

Weldability and Formability

Both are weldable, but SS 304 is better for complex welds. Formability is similar, but SS 304 is more ductile.

Price Comparison

SS 204 is 20-30% cheaper ($1,200-$1,800/MT) than SS 304 ($1,820-$3,584/MT) due to low nickel. For ss sheet 304 price, ss 304 steel price, ss 304 sheet price, and ss 304 plate price, Gangsteel offers competitive rates.

Applications of SS 204 and SS 304

The table below highlights applications:

Gangsteel’s ASME SA 213/SA 213M stainless pipes complement both.

Comparing SS 204 and SS 304 with Other Grades

SS 204/304 vs 430: 304 has better corrosion, 430 is magnetic and cheaper.

SS 204/304 vs 316: 304 is general, 316 for chlorides.

Gangsteel’s nickel alloy steel plates offer advanced options.

Why Choose Gangsteel for SS 204 and SS 304?

Gangsteel provides both with:

• Quality Assurance: Compliant with ASME SA240 and ASTM A240.
• Customization: Various sizes and finishes.
• Global Delivery: Worldwide shipping.
• Variety: Including SA240 Gr 347 and SA240 Gr 201L.

Conclusion

SS 204 is a budget option with moderate performance, while SS 304 excels in corrosion resistance and durability. For quality supply, Gangsteel offers solutions like SA240 Gr 316L. Contact for UNS stainless steel plates.