416 is a free machining basic straight chromium high hardenability martensitic stainless steel with excellent machinability, reasonable strength and corrosion resistance. Generally supplied either hardened and tempered in the tensile range 550 - 700 Mpa (condition P) Brinell range 152 - 207, or in the annealed condition with a maximum Brinell hardness of 207.Characterised by excellent machinability, non-galling and non-seizing properties due to its higher sulphur content which has the effect of lowering its corrosion resistance. It is however resistant to mild corrosive atmospheres, fresh water, steam, organic materials, many mild acids and petroleum products, coupled with reasonable strength in the hardened and tempered condition.
| Related Specifications | |
| Australia | AS 2837-1986 416 |
| Germany | W.Nr 1.4005 X12CrS13 |
| Great Britain | BS970 Part3 1991 416S21 BS970 1955 EN56AM |
| Japan | JIS G4303 SuS 416 |
| USA | ASTM A582/A582M-95b 416 SAE 51416 AISI 416 UNS S41600 |
| Chemical Composition | ||
| Min. % | Max % | |
| Carbon | 0.09 | 0.15 |
| Silicon | 0 | 1.00 |
| Manganese | 0 | 1.50 |
| *Nickel | 0 | 1.00 |
| Chromium | 11.50 | 14.00 |
| *Molybdenum | 0 | 0.60 |
| Phosphorous | 0 | 0.0.6 |
| Sulphur | 0.15 | 0.35 |
| *Nickel & Molybdenum additional option | ||
410 STAINLESS STEEL KEY PROPERTIES
These properties are specified for short and long length bar products in ASTM A582. Similar but not necessarily identical properties are specified for other products such as wire and forgings in their respective specifications.
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