Fastener Material Properties

Note: The information listed was obtained from charts of various manufacturers and is intended for the comparison of materials only. MW assumes no obligation or liability in using these materials or products for a specific application.

Properties Metallic Materials

Properties ALUMINUM 2011-T3 QQ-A-225/3 ALUMINUM 6061-T6 QQ-A-225/8 BRASS ASTM-B-16 HALF HARD STEEL 12L14 STEEL 1215 STAINLESS STEEL 303
Tensile Strength (psi) 55,000 45,000 50,000 78,000 78,000 90,000
Shear Strength (psi) 41,000 37,700 36,000 45,000 45,000 67,000
Elongation (%) 20 17 30 30 30 55
Modules of Elasticity (psi) 10,600,000 10,000,000 15,000,000 30,000,000 30,000,000 28,000,000
Hardness RB75 RB60 RB77 RB63 RB63 RB90
Specific Gravity 2.77 2.7 8.46 7.85 7.85 7.9
Melting Point (°F) 1180 1180 1660-1715 2765 2765 2600-2680
Electrical Conductivity (% of Copper) 30 30 26 12 12 2.4
Thermal Conductivity (BTU/hr/ft²/°F/ft) 70 70 70 34 34 10
Coef. Of Thermal Expansion (in/in°F) 12.9 13.1 10.2 6.5 6.5 9.6
Specific Heat (BTU/lb/°F)) 0.23 0.23 0.09 0.11 0.11 0.12

Properties Non-Metallic Materials

Properties NYLON TEFLON PHENOLIC PAPER BASED XXXP DELRIN
Tensile Strength (psi) 11,200-16,500 2,700-3,100 13,500 10,000
Heat Resistance (continuous degrees F) 250 550 250-275 250
Compression Strength(psi) 4,000-11,000 700-1,200 36,000 18,000
Flammability Rating UL 94V-2 UL HB n/a n/a
Water Absorption – (%) 24 hours 1.5 0 0.5 0.12
Dielectric Constant –(60 Cycles) 10 2.1 n/a 3.7
Dielectric Strength – 1/8 thickness (v/mil) 300-400 400 325 500
Arc Resistance (sec) 140 200 10 129

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