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Thermal Expansion for Titanium and Titanium Alloys

1. Instantaneous Coefficient of Thermal Expansion for Titanium Alloys

Temp. °F70100150200250300350400
*Group A4.64.74.84.84.84.94.95.0
*Group B4.74.84.84.95.15.25.35.3
*Group C4.84.94.95.05.05.15.15.2
Temp. °F450500550600650700750800
*Group A5.05.15.15.25.35.55.96.6
*Group B5.35.35.56.4----
*Group C5.25.35.35.45.45.45.55.5
*The instantaneous coefficient of thermal expansion at indicated temperature; unit: 10-6 inch/inch/°F.
*Group A: titanium alloy Grades 1, 2, 2H, 3, 7, 7H, 11, 12, 16, 16H, 17, 26, 26H, and 27; Group B: titanium alloy Grades 9 and 28; Group C: titanium alloy Grade 38.

2. Mean Coefficient of Thermal Expansion for Titanium Alloys

Temp. °F70100150200250300350400
*Group A4.64.74.74.74.84.84.84.8
*Group B4.74.74.84.84.94.95.05.0
*Group C4.84.94.95.05.05.05.05.0
Temp. °F450500550600650700750800
*Group A4.84.94.94.94.95.05.05.1
*Group B5.15.15.15.2----
*Group C5.05.15.15.15.15.25.25.2
*The mean coefficient of thermal expansion in going from 70°F to indicated temperature; unit: 10-6 inch/inch/°F.
*Group A: titanium alloy Grades 1, 2, 2H, 3, 7, 7H, 11, 12, 16, 16H, 17, 26, 26H, and 27; Group B: titanium alloy Grades 9 and 28; Group C: titanium alloy Grade 38.

3. Linear Thermal Expansion for Titanium Alloys

Temp. °F70100150200250300350400
*Group A00.20.50.71.01.31.61.9
*Group B00.20.50.81.11.41.72.0
*Group C00.20.50.81.11.41.72.0
Temp. °F450500550600650700750800
*Group A2.22.52.83.13.43.84.14.5
*Group B2.32.62.93.3----
*Group C2.32.62.93.23.53.94.24.6
*The coefficient of linear thermal expansion in going from 70°F to indicated temperature; unit: inch/100 ft.
*Group A: titanium alloy Grades 1, 2, 2H, 3, 7, 7H, 11, 12, 16, 16H, 17, 26, 26H, and 27; Group B: titanium alloy Grades 9 and 28; Group C: titanium alloy Grade 38.

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