304 vs 316 Stainless Gas Struts: Which Should You Choose?

When choosing stainless gas struts, the key decision is material: 304 or 316. For general environments, 304 stainless gas struts offer a cost-effective solution. For marine, chemical, or high-humidity conditions, 316 stainless gas struts provide superior corrosion resistance and longer service life. Choosing the right material ensures reliable performance and reduces long-term maintenance costs.

Stainless gas springs are widely used in environments where corrosion resistance and reliability are critical.

Typical applications include:

• Marine equipment such as boat hatches and decks
• Food processing machinery requiring hygienic materials
• Medical devices with strict material standards
• Outdoor cabinets and enclosures exposed to weather
• Industrial environments with moisture or chemicals

Typical Specifications:

• Force: 50N – 2000N
• Stroke: 20mm – 500mm
• Material: 304 / 316
• End fittings: Ball joint, eyelet, clevis
• Surface treatment: Polished or passivated

These stainless gas shocks are designed to perform reliably under demanding environmental conditions.

The main difference between stainless steel 304 and 316 lies in their chemical composition. Stainless steel 316 contains about 2% molybdenum, which significantly improves resistance to pitting, crevice corrosion, and stress corrosion cracking.

This added element also makes 316 less sensitive to chlorides, which is critical in marine or coastal environments. In contrast, stainless steel 304 is more sensitive to chlorides and acids, which may lead to corrosion over time.

Despite this, 304 stainless steel remains an excellent choice for home, garden, and general-purpose applications where corrosion exposure is limited.

316 stainless is better for corrosion resistance, especially in marine or chemical environments, while 304 is more cost-effective for general use.

316 contains molybdenum, which improves corrosion resistance but increases material cost. It is also widely used in demanding industries, which keeps demand high.

316 stainless steel can last over 70 years in proper conditions, especially in marine or chemical environments.

Gastac gas springs are designed and manufactured for reliable performance in demanding environments. As a professional gas spring manufacturer and supplier, we provide stable production and global supply capability.

• Direct factory supply with optimized cost structure
• Consistent quality with IATF 16949 and ISO 9001:2015 certification
• OEM customization for stainless gas struts, stainless gas springs, and stainless gas shocks
• Reliable delivery with available stock
• Two-year after-sales warranty

Choosing the right stainless gas struts depends on your environment and performance requirements. 304 is suitable for general use, while 316 is ideal for harsh and corrosive conditions.

Gastac provides reliable stainless gas springs and stainless gas shocks with customizable solutions, stable quality, and competitive pricing.

Contact us today to find the right solution for your application.