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PRODUCT DATA of A286
MaterialA286
General InformationThis super alloy is can be used at temperatures up to 700 C. Its main uses are highly loaded fasteners
Chemical Composition25% Ni, 15% Cr, 2% Ti, 1.5% Mn, 1.3% Mo, 0.3% V, Rem. Fe
Name of ManufacturerBoehler Edelstahl GMBH & Co KG
Mariazeller Straße 25, A-8605 Kapfenberg, Austria
+43-3862/20-7181
+43 3862/20-7576
info@bohler-edelstahl.com
www.bohler-edelstahl.com

Maher Ltd
Edward Street, Sheffield S3 7GD, UK
+44 (0)114 290 9200
+44 (0)114 290 9290
www.maher.co.uk
EXPERIENCE IN PRACTICE
Development StatusCommercial Product
Cost RangeMedium
Equivalent DesignationsWerk. No. 1.4980, Z6 NCT 25/15, UNS S66286, AISI 660, Z3NCT25, A 286
Space ExperienceExtensive
PHYSICAL PROPERTIES
Specific Gravity7.92 @RT
Phase changesPrecipitation of Ni3Ti occures between 650 and 815 C
Magnetic PropertiesNonmagnetic
ELASTIC PROPERTIES
Tensile Modulus201 GPa
Shear Modulus71.7 GPa
Poisson Ratio0.306
ELECTRICAL PROPERTIES
Electrical Volume Resistivity9.1e-7 ohm.m
THERMAL PROPERTIES
Thermal Conductivity13 W/m.K
Thermal Expansion Coefficient16.9 μstrain/°C
Melting Range1370 to 1430 °C
Specific Heat0.461 J/g.K
RELEVANT PROPERTIES FOR USE IN SPACE COMMUNITY
Corrosion/ThermalHigh resistance up to 700°C.
Stress Corrosion StatusHigh Resistance to SCC: Table 1
Remark: acc. to ECSS-Q-ST-70-36C
Data Quality: Design Data
EMF vs SCE-0.07 V
Remark: Measured in 3.5% NaCl solution
Data Quality: Design Data
Bimetallic CorrosionCan be connected without any restriction to: Cr, Au, Pt, C, Rh, Ag, Gun-metal, P-bronzes, Sn-bronzes, Ti+alloys
Can be connected in a non-controlled environment to the above and Cd, Cu, Brasses, Ni, monel, inconel, N-Mo alloys, 400 series stainless steel
Can be connected in a clean room environment to above and Al-Cu alloys, Cu-Ni alloys, Al-bronzes, Si-bronzes
Needs specific measures: All others
Test:ECSS-Q-ST-70C Rev.1 Table 5.1
Data Quality: Design Data
FLUID SYSTEMS COMPATIBILITY
Gaseous Oxygen (GOX)Meets the mechanical impact requirements. No batch test required.
Liquid Oxygen (LOX)Meets the mechanical impact requirements. No batch test required.
Nitrogen Tetroxide (N2O4)SCC susceptibility is low and no fluid decomposition
Hydrazine (HDZE)SCC susceptibility is low and no fluid decomposition
SPECIAL RECOMMENDATIONS
Special RecommendationsSuitable for fasteners.