Knowledge

• 05/Aug2025

  Difference Between SS 304 and SS 316 Round Bars

  The main difference between SS 304 rod and SS 316 round bar is their chemical composition and the resulting corrosion resistance. SS 316 contains molybdenum, which increases its resistance to harsh ch

• 05/Aug2025

  Comparison of 304 and 316 stainless steel bolts

  Both 304 and 316 stainless steel bolts are popular choices, but 316 offers superior corrosion resistance due to the addition of molybdenum, making it ideal for harsh environments like salt water or ch

• 05/Aug2025

  The difference between SS 316 sheet and SS 304 sheet

  The primary difference between SS 304 and SS 316 stainless steel plates is corrosion resistance. SS 316 offers superior protection, particularly against chloride corrosion. This enhanced corrosion res

• 04/Aug2025

  Is the Q460NH suitable for creating art installations that require long-term ...

  Q460NH is ideal for outdoor art installations, offering a naturally evolving rust patina and 50+ year durability with zero maintenance. Pre-treatments like tannic acid ensure uniform weathering, while

• 04/Aug2025

  Can the weather resistance of Q460NH be enhanced through surface treatment?

  The weather resistance of Q460NH can be enhanced through surface treatments like tannic acid washes or breathable coatings, accelerating patina formation and reducing corrosion rates by 30–50%. For ha

• 04/Aug2025

  How stable is the performance of Q460NH in high temperature environment?

  Q460NH retains ~85% of its yield strength up to 350°C but suffers significant degradation above 400°C, with oxidation accelerating beyond 500°C. For sustained high-temperature service (>350°C), protec

• 04/Aug2025

  What are the fatigue life and durability data for Q460NH steel?

  Q460NH steel exhibits a fatigue limit of 260–330 MPa (10⁷ cycles) with superior corrosion fatigue resistance compared to carbon steels. Its durability depends on environmental conditions, with coastal

• 04/Aug2025

  What special problems arise when cutting and drilling Q460NH?

  Cutting and drilling Q460NH requires carbide tools and reduced speeds due to its high strength and work-hardening tendency. Proper cooling and edge treatment are essential to prevent heat damage and m

• 04/Aug2025

  Will Q460NH experience strength degradation after long-term use?

  Q460NH will not experience significant strength degradation in most environments if: Proper corrosion allowance is included (typically +2mm vs. carbon steel) Designed per GB/T 18575 for weathering s

• 04/Aug2025

  What are the surface treatment options for Q460NH? Does it need painting?

  Q460NH typically requires no painting in most environments. For aggressive conditions: Option 1: Allow natural patina + edge protections. Option 2: Apply partial coatings only on high-risk areas.