Material Comparisons
304 vs 316, 304 vs 430, 6061 vs 7075 — side-by-side guides for PMI and engineering.
304 vs 316 Stainless Steel
The definitive comparison for PMI inspectors and material engineers.
304 vs 430 Stainless Steel
Austenitic vs ferritic — how Ni content and magnetism guide PMI and scrap sorting.
6061 vs 7075 Aluminum
Two workhorse Al alloys — when strength wins over corrosion, and how XRF tells them apart.
304 vs 321 Stainless Steel
Similar Cr-Ni profiles — when titanium stabilization matters and how PMI teams decide.
Q235 vs Q345 Steel
China's most common structural steels — how Mn and microalloys separate them in PMI and recycling.
316 vs 321 Stainless Steel
When chloride resistance meets high-temperature stabilization — PMI decision guide.
2205 vs 316L Stainless Steel
Duplex vs austenitic — when to specify 2205 and how XRF separates families in PMI.