410 Stainless Fasteners
410 is a martensitic stainless steel that can be heat treated to high hardness. That is why it appears in self-drilling screws. Its corrosion resistance is well below 304 or 316.
410 vs 304 / 316
| 410 | 304 / 316 | |
|---|---|---|
| Structure | Martensitic | Austenitic |
| Hardenable | Yes | No (cold work only) |
| Magnetic | Yes | Essentially no |
| Corrosion | Moderate; can rust-stain | Good / very good |
| F593 group | Group 5 | Group 1 / Group 2 |
These tables carry the same figures as the printed sheet below.
The printed sheet
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Text version of this sheet
Alloy 410 · martensitic stainless · hardenable
What it is
FIELD IDENTIFICATION
410 is a martensitic stainless steel that can be heat treated to high hardness. That is why it appears in
self-drilling screws. Its corrosion resistance is well below 304 or 316.
MFG
410*
Identification varies by product/specification
410 vs 304 / 316
410
304 / 316
Structure
Martensitic
Austenitic
Hardenable
Yes
No (cold work only)
Magnetic
Yes
Essentially no
Corrosion
Moderate; can rust-stain
Good / very good
F593 group
Group 5
Group 1 / Group 2
Key points
Hardened 410 can suffer hydrogen embrittlement and stress corrosion in some environments.
Governing standards: ASTM F593-24 (Group 5). Editions shown are the latest confirmed as of September 2026. The drawing and the governing standard always take precedence
over this sheet.
torquing any fastener. Verify the current governing standard, project documents, OEM requirements, size, thread, coating and lot certification. To the fullest extent permitted by law, The Fastener App disclaims liability
arising from reliance on this reference.
Fastener Guide reference FG-D2EDE8 · thefastenerapp.com/fastener-guide/technical-reference/410-stainless-fasteners · © The Fastener App. Reference only — verify the current governing standard, drawing and manufacturer data before specifying or installing.
