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MEXICOWANDERER's avatar
Nov 26, 2015

METAL THERMAL EXPANSION CHART

Please allow this to run-it's-course. Then I can say I tried my best. ALUMINUM / COPPER / STEEL (set screw). This is what I have been yelling about...

Metal Temperature Range
(oF) Thermal Expansion
(microinch/(in oF))
Admiralty Brass 68 - 572 11.2
Aluminum 68 - 212 13.1
Aluminum Bronze 68 - 572 9.0
Aluminum Alloy - 2011 12.8
Aluminum Alloy - 2017 13.1
Aluminum Alloy - 2024 12.9
Aluminum Alloy - 3003 12.9
Aluminum Alloy - 5052 13.2
Aluminum Alloy - 5086 13.2
Aluminum Alloy - 6061 13.0
Aluminum Alloy - 7075 13.1
Antimony 5
Beryllium 6.7
Beryllium Copper 68 - 212 9.3
Bismuth 7.2
Cast Iron, grey 32 - 212 5.8
Cast Steel, 3% C

7.0
Chromium 3.3
Cobalt 6.7
Copper 68 - 572 9.8
Copper-Base Alloy - Manganese Bronze 11.8
Copper-Base Alloy - C1100 (Electrolytic tough pitch) 9.8
Copper-Base Alloy - C14500 (Free Machining Cu) 9.9
Copper-Base Alloy - C17200, C17300 (Beryllium Cu) 9.9
Copper-Base Alloy - C18200 (Chromium Cu) 9.8
Copper-Base Alloy - C18700 (Leaded Cu) 9.8
Copper-Base Alloy - C22000 (Commercial bronze, 90%) 10.2
Copper-Base Alloy - C23000 (Red brass, 85%) 10.4
Copper-Base Alloy - C26000 (Cartridge brass, 70%) 11.1
Copper-Base Alloy - C27000 (Yellow brass) 11.3
Copper-Base Alloy - C28000 (Muntz metal, 60%) 11.6
Copper-Base Alloy - C33000 (Low-leaded brass tube) 11.2
Copper-Base Alloy - C35300 (High-leaded brass) 11.3
Copper-Base Alloy - C35600 (Extra high-leaded brass) 11.4
Copper-Base Alloy - C36000 (Free machining brass) 11.4
Copper-Base Alloy - C36500 (Leaded Muntz metal) 11.6
Copper-Base Alloy - C46400 (Naval brass) 11.8
Copper-Base Alloy - C51000 (Phosphor bronze, 5% A) 9.9
Copper-Base Alloy - C54400 (Free cutting phos. bronze) 9.6
Copper-Base Alloy - C62300 (Aluminum bronze, 9%) 9.0
Copper-Base Alloy - C62400 (Aluminum bronze, 11%) 9.2
Copper-Base Alloy - C63000 (Ni-Al bronze) 9.0
Copper-Base Alloy - Nickel-Silver 9.0
Cupronickel 68 - 572 9.0
Ductile Iron, A536 (120-90-02) 5.9 - 6.2
Gold 7.9
Hastelloy C 70 - 200 5.3
Inconel 68 - 212 6.4
Incoloy 32 - 212 8.0
Iridium 3.3
Iron, nodular pearlitic 68 - 212 6.5
Iron, pure 68 - 212 6.8
Magnesium 14
Malleable Iron, A220 (50005, 60004, 80002) 7.5
Manganese 12
Manganese Bronze 68 - 572 11.8
Molybdenum 3.0
Monel 32 - 212 7.8
Nickel-Base Alloy - Nickel 200, 201, 205 8.5
Nickel-Base Alloy - Hastelloy C-22 6.9
Nickel-Base Alloy - Hastelloy C-276 6.2
Nickel-Base Alloy - Inconel 718 7.2
Nickel-Base Alloy - Monel 8.7
Nickel-Base Alloy - Monel 400 7.7
Nickel-Base Alloy - K500 7.6
Nickel-Base Alloy - R405 7.6
Nickel Wrought 77 - 212 7.4
Niobium (Columbium) 3.9
Red Brass 68 - 572 10.4
Osmium 2.8
Platinum 5
Plutonium 19.84
Potassium 46
Rhodium 4.4
Selenium 21
Silicon 2.8
Silver 11
Sodium 39
Stainless Steel - S30100 9.4
Stainless Steel - S30200, S30300, S30323 9.6
Stainless Steel - S30215 9.0
Stainless Steel - S30400, S30500 9.6
Stainless Steel - S30430 9.6
Stainless Steel - S30800 9.6
Stainless Steel - S30900, S30908 8.3
Stainless Steel - S31000, S31008 8.8
Stainless Steel - S31600, S31700 8.8
Stainless Steel - S31703 9.2
Stainless Steel - S32100 9.2
Stainless Steel - S34700 9.2
Stainless Steel - S34800 9.3
Stainless Steel - S38400 9.6
Stainless Steel - S40300, S41000, S41600, 41623 5.5
Stainless Steel - S40500 6.0
Stainless Steel - S41400 5.8
Stainless Steel - S42000, S42020 5.7
Stainless Steel - S42200 6.2
Stainless Steel - S42900 5.7
Stainless Steel - S43000, S43020, S43023 5.8
Stainless Steel - S43600 5.2
Stainless Steel - S44002, S44004 5.7
Stainless Steel - S44003 5.6
Stainless Steel - S44600 5.8
Stainless Steel - S50100, S50200 6.2
Tantalum 3.6
Thorium 6.7
Tin 32 - 212 12.8
Titanium 68 - 200 4.8
Titanium Alloy - Ti-5Al-2.5Sn 5.3
Ti-8Mn 6.0
Tungsten 2.5
Uranium 7.4
Vanadium 4.4
Wrought Carbon Steel 70 - 800 7.8
Yellow Brass 68 - 572 11.3
Zinc
  • Good efforts on the education front, Mex!

    Yes, tightening load center neutral and ground bar screws should be done periodically. For my 12V distribution buses where a lugged cable is attached to a threaded copper bar, I chose to use two star lock washers and a nut on the fastening bolt. These are in a location where periodic tightening isn't easily accomplished. The ground-> frame junction gets some special treatment, also. Lately, i've used a protective spray formulated for battery terminals on most of these type of fasteners. The spray is an indicator of fastener movement and it also tends to "glue" the pieces as it is somewhat adhesive.

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