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	PRODUCT DATA of AISI 414

Material	AISI 414
General Information	Martensitic Stainless Steel
Chemical Composition	11.5-13Cr, 1.25-2.5Ni, 0.15C, rem Fe

	ELECTRICAL PROPERTIES

Electrical Volume Resistivity

7e-7 ohm.m

	THERMAL PROPERTIES

Thermal Conductivity	24.9 W/m.K
Thermal Expansion Coefficient	10.4 μstrain/°C
Specific Heat	0.46 J/g.K

	RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY

General Corrosion Status	No specific corrosion protection required
Stress Corrosion Status	Moderate Resistance to SCC: Table 2 Remark:Requires Stress corrosion evaluation form Data Quality: Design Data
Bimetallic Corrosion	Can be connected without any restriction to: Cr, Au, Ag, Gun-metal, P-bronzes, Sn-bronzes, Ti+alloys, Ni, Monel, Inconel, Ni/Mo alloys Can be connected in a non-controlled environment to the above and Cd, austenitic cast iron, Cu, Brasses, Al-bronzes, Si-bronzes, Au, Pt, C, Rh, Sn-Pb alloys, Sn, Pb, 300 series stainless steels Can be connected in a clean room environment to above and Al-Cu alloys Needs specific measures: All others Test:ECSS-Q-ST-70C Rev.1 Table 5.1 Data Quality: Design Data