416 Stainless Steel Bar
UNS S41600
Stainless steel 416, also known as UNS S41600 is a martensitic grade of stainless steel. Martensitic stainless steels were designed as a type of alloy that could be hardened through heat treatment and would also be corrosion resistant, although not as corrosion resistant as austenitic or ferritic stainless steels. Stainless Steel 416 is magnetic, highly machinable and is known for being wear resistant. Other characteristics include: non-seizing and non-galling properties, resistance to mildly corrosive environments, and reasonable strength in the tempered and hardened state. Usually ordered in the A (annealed), T (intermediate temper) or H (hard temper) conditions. Stainless Steel 416 is not approved for use in high sulfur environments (NACE MR-01-75, MR-01-03). Generally considered to be the first “free machining” stainless, Stainless Steel 416 can be easily turned, tapped, broached, drilled, reamed, threaded and milled per various machine manufacturer’s recommendations for various suitable tool speeds, feeds and types.
Industries that use 416 include:
- Electrical motor
- Gear
- Nut and Bolt
- Pump
- Valve
Products partially or completely constructed of 416 include:
- Axles
- Bolts
- Fasteners
- Gears
- Motor shafts
- Nuts
- Pinions
- Pump shafts
- Screw machine parts
- Studs
- Valve parts
- Washing machine components
| COND A | Stocking Diameters | 1/2” to 14” |
|---|---|---|
| Material Lengths | Up to 24’ | |
| COND HT 255-302 BHN STRESS RELIEVED |
Stocking Diameters | 1/2” to 8-1/2” |
| Material Lengths | Up to 24’ |
| Uns | Type | Ams | Astm | Federal | Characteristics |
|---|---|---|---|---|---|
| S41600 | 416 | 5610 | A-314 A-582 |
QQ-S-763 | Corrosion resistance with rapid, free machinability, heat treatment to 35 RC min. 416 Heat Treat is pre-heat treated. |
| C | MN | P | S | SI | CR | NI | MO | CU | OTHER | M/NM |
|---|---|---|---|---|---|---|---|---|---|---|
| .15 | 1.25 | .06 | .15 Min. | 1. | 12. – 14. | .5 | .6 | .5 | M |
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