Available Shapes
605M36 Alloy Steel
Known as a commercially popular ‘all-rounder’, EN16 (605M36T) is a low alloyed manganese-molybdenum through-hardening steel. Offering high strength and tensile characteristics, EN16 displays similar mechanical properties to EN8 but benefits from improved frictional wear, shear loading and shock resistance. EN16 is considered to be a viable alternative to other steel specifications containing chromium and nickel. EN16 (605M36T) also offers excellent ductility and is readily machinable. The equivalent British specification for EN16 is 605M36T
Applications
Analysis
Annealing
Hardening
Tempering
Typical Mechanical Properties*
Heat Treatment
Applications
EN16 (605M36T) is a versatile and popular engineering steel and therefore has a wide range of commercial applications. Examples include: Connection rods, pistons, high load couplings Hubs, bolts, shafts and axles Crankshafts, lifting gear Applications requiring high shock resistance
Analysis
| Carbon | 0.32-0.40% | Phosphorous | 0.035% max |
| Manganese | 1.30-1.70% | Sulphur | 0.040% max |
| Silicon | 0.10-0.40% | ||
| Molybdenum | 0.22-0.32% |
Annealing
Heat the steel slowly to 640-660°C, then cool in air.
Hardening
605M36 is commonly supplied ready heat treated at ‘T’ condition. If further heat treatment is required annealed 605M36 should be heated slowly to 840-870°C and after adequate soaking at this temperature quench in oil. Temper as soon as tools reach room temperature.
Tempering
Heat the 605M36 carefully to a suitable temperature selected by reference to a tempering chart or table, soak at the temperature for two hours per 25mm of ruling section, then all to cool in the air. Tempering between 250-375°C is not advised as tempering within this range will seriously reduce the impact value.
Typical Mechanical Properties*
| Condition | Tensile N/mm² | Yield N/mm² | Elongation % | Izod KCV J | Hardness Brinell |
|---|---|---|---|---|---|
| R | 700-850 | 480 | 16 | 28 | 201-255 |
| S | 775-925 | 585 | 14 | 16 | 223-277 |
| T | 850-1000 | 650 | 13 | 35 | 248-302 |
(*subject to ruling section)
Heat Treatment
Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of alloy steel.
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