Date Published:May. 10. 2020
Corrosion countermeasures for salt water are required for screws 【High sanitation / corrosion-resistant / clean】
Duplex stainless steel screws should be used
Duplex stainless steel screws with strength and corrosion resistance superior to SUS316L can be used in chloride environments such as the vicinity of seawater.
| UNS S31803 | SUS316L | |
|---|---|---|
| Tensile Strength（N/mm2） |
620 or More |
480 or More |
| 0.2％Proof Load（N/mm2） |
450 or More |
175 or More |
| Elongation（％） |
18 or More |
40 or More |
| Hardness（HRB） |
(106 or less) |
90 or Less |
Recommended product
Duplex Stainless Steel Hex Head Screws SNHDS
Issue/case studies
Heat resistance/corrosion resistance
Machine Tools
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