Home · Materials · 410 Stainless
Stainless Steel

410 Stainless

410 is the workhorse martensitic stainless: hardenable by heat treatment, magnetic, and offering moderate corrosion resistance from its ~12% chromium. At 515 MPa tensile and 310 MPa yield in the annealed state, it can be quenched and tempered to higher hardness. It trades some corrosion resistance for strength and wear capability, making it the default for parts that must hold an edge or resist galling.

How 410 Stainless machines

Machinability rates a modest 2.8/5. In the annealed condition it cuts reasonably with carbide tooling, but once hardened it becomes difficult and is best ground or finished pre-treat. Use sharp tools, rigid setups, and steady feeds; martensitic grades work-harden less than austenitics but generate heat, so adequate coolant and chip clearance matter.

Manufacturing & processing

410 is supplied via CNC, forging, and sheet metal. It is hardened by austenitizing then oil or air quench and tempering. Machine in the annealed state, then heat treat to final hardness. Welding is possible but requires preheat and post-weld tempering to avoid cracking in the hardened heat-affected zone.

Typical applications

Best for hardenable cutlery and valve parts. Common uses include knife blades, scissors, valve trim and seats, pump shafts, fasteners, turbine blades, and wear components where moderate corrosion resistance plus the ability to harden to a working edge or bearing surface is required.

When to choose it

Choose 410 when you need a stainless that can be heat treated for hardness and wear, and 304/316 are too soft. If corrosion resistance outweighs hardness, pick an austenitic grade. If you need a non-hardenable, cheaper decorative stainless, 430 is the better call.

Suitable surface finishes

Common finishes for 410 Stainless: passivation, electropolishing, bead blasting, brushed. Use the finish selector →

FAQ

Can 410 stainless be hardened?
Yes. As a martensitic grade it responds to austenitizing and quenching followed by tempering, reaching substantially higher hardness than its annealed 95 HRB. This is its defining advantage over ferritic and austenitic stainless steels, enabling wear surfaces and cutting edges.
Is 410 stainless magnetic?
Yes, 410 is magnetic in both annealed and hardened conditions because of its martensitic structure. This contrasts with austenitic 304 and 316, which are essentially non-magnetic, and matches the behavior of ferritic grades like 430.
How does 410 corrosion resistance compare to 304?
410 is weaker, rated 3.0 versus 304's 4.5, because its lower chromium and lack of nickel reduce passivity. Use 410 where hardness matters more than corrosion, and reserve 304 or 316 for aggressive or marine environments.

Property values are typical/nominal for early guidance and vary by temper, grade, supplier and heat treatment. Confirm critical specs against a certified datasheet or with an mfgiq engineer.