Tensile Test on A36 Steel

Testing Parameters

CE 120 Cylindrical Tension Test with 1" Extensometer File name: 4-12-05 a36 tension_2.is_metal
Temperature		76.0 F		Initial diameter		0.625 in
Humidity		38.0%		Initial length		12 in
System of units		US Customary		Initial area		0.307 in2
Data collection interval		0.100 sec		Final diameter		0.361 in
Crosshead speed		2.5 in/min		Final length		14.5 in
Source for tensile strain		Strain 1		Final area		0.102 in2
Gauge width 1		1.000		Break location		Outside gauge length
Strain auto balance		True
Extensometer removal at		95%
End of test sensitivity		20%

Results

Provided by Instron's "Bluehill Materials Testing Software."

Modulus Elasticity 35.6 Msi Resilience 0.130 ksi Toughness 17.9 ksi Major Events 0.2%-Offset Yield Max. Load Break Load (kip) 14.9 20.8 14.4 Extension (in) 0.354 2.093 3.062 Stress, Engineering (ksi) 48.7 67.7 46.8 Stress, True (ksi) 140.2 Strain (%) 0.33 17.39 28.19 Energy (ft-lbf) 3.3   458.5 Elongation, Total (%) 0.33 17.39 28.19 Elongation, Plastic (%) 17.20 28.06 Provided by Instron's "Bluehill Materials Testing Software."

Summary of Results

Property	Experimental Results1	Reference Values2	Percent Difference
Modulus of Elasticity	35.6 Msi	29.0 Msi	20%
Tensile Strength, Yield	48.7 ksi	36 ksi (minimum)	29%
Tensile Strength, Ultimate	67.7 ksi	58 - 80 ksi	2%6
Elongation at Break, Total	28.2% 3	23%4, 20%5	20%7
Reduction of Area	66.6%
Modulus of Resilience	0.130 ksi
Modulus of Toughness	17.9 ksi

1. From Instron's "Bluehill Materials Testing Software."
2. From Matweb and ASTM A36.
3. Over 1 inch length.
4. Over 2 inch length.
5. Over 8 inch length.
6. Compared to middle of range, 69 ksi.
7. Compared to 23%, because 1 inch is closer to 2 inch than 8 inch.