Carbon	0.95 - 1.2
Chromium	16 - 18
Iron	Balance
Manganese	1 max
Molybdenum	0.75 max
Phosphorus	0.04 max
Silicon	1 max
Sulphur	0.03 max

Principal Design Features		This is a high carbon martensitic stainless with moderate corrosion resistance good strength and the ability to obtain and keep excellent hardness (Rc 60) and wear resistance.

Applications		Ball bearings and races, gage blocks, molds and dies, cutlery, valve components, knives and measuring instruments.

Machinability		Best machined in the annealed condition. Tough, stringy chips can be best handled by the use of chip breakers. Carbide or ceramic tooling is recommended.

Welding		This alloy is not commonly welded due to its tendency to air harden. If it must be welded, preheat to 500 F (260 C) and post weld treat at 1350-1400 F (732-760 C) for 6 hours followed by a slow furnace cooling to avoid cracking. Use similar filler metal and high heat inputs during operations.

Hot Working		Pre-heat to 1400 F (760 C), then bring slowly up to 1900-2200 F (1038-1204 C)before proceeding. Do not work this material below 1700 F (927 C). Cool material slowly after working and once at room temperature, anneal fully.

Cold Working		This alloy is considered only slightly cold workable by common practices.

Annealing		1550-1600 F (843-871 C), followed by very slow furnace cooling.

Tempering		For maximum properties, soak at 300 F (148 C). Maximum obtainable hardness is RC 60.

Hardening		Bring the material slowly up to 1400 F (760 C), then on to a soak temperature of 1850 F (1010 C), air or oil cool.

Physical Data : [top]

Density (lb / cu. in.)	0.275
Specific Gravity	7.63
Specific Heat (Btu/lb/Deg F - [32-212 Deg F])	0.11
Electrical Resistivity (microhm-cm (at 68 Deg F))	360
Melting Point (Deg F)	2700
Modulus of Elasticity Tension	29

There is no Mechnical data available for this grade.

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Titanium - www.titanium.org

Steel Lynx - www.mlc.lib.mi.us/~stewarca/steelynx.html

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