Test Results for
Double Eagle Products

1906 Christopher, West Plains, Missouri 65775
417-256-2598

 

Tension Test Results
Specimen Description 0.2% Yield Strength
(psi)		 Ultimate Tensile Strength
(psi)		 Modulus of Elasticity
(psi)		 Test Method
1 x 6 with blow 635 1625 160000 ASTM D638
1 x 6 no blow 914 2684 240000 ASTM D638
1 x 6 groove 996 2644 255000 ASTM D638

 

Specimen Identification
Code Size Description Quantity
A 1 x 6 x 10" with blow 12
B 2 x 4 x 10" with blow 11
C 1 x 6 x 24" with blow 10
D 2 x 4 x 24" with blow 10
E 5/4 x 6 x 24" with blow 10
F 1 x 6 x 10" no blow 10
G 2 x 4 x 10" no blow 10
H 1 x 6 x 24" no blow 10
I 2 x 4 x 24" no blow 13
J 1 x 6 x 10" groove 10
K 1 x 6 x 24" groove 10

 

Tension Test Details
1 x 6 With Blow
Test Method ASTM D638 as modified by D20.20.01
Date of Test January 11, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Specimen Preparation machined to shape, front and back faces left as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Rate of Crosshead Motion 0.2 in. / min

Specimen

Width
(in)

Thickness
(in)

Gage Length
(in)

Load @ 0.2% Offset
(lb)

Stress @ 0.2% Offset
(psi)

Strain @ 0.2% Offset
(%)

Max. Load
(lb)

Stress @ Max. Load
(psi)

Strain @ Max. Load
(%)

Modulus of Elasticity
(psi)

Comments

A1

1.027

0.743

1

499.590

654.718

0.541

1306

1711.528

6.055

193383.703

 

A2

1.051

0.714

1

503.080

670.403

0.618

1281

1707.058

4.800

162732.016

 

A3

1.031

0.731

1

586.840

778.652

0.507

1713

2272.905

6.161

255279.328

Broke @ grip

A4

1.043

0.710

1

573.690

774.702

0.535

1689

2280.799

8.234

233323.484

Broke @ grip

A5

1.033

0.743

1

553.550

721.220

0.735

1260

1641.653

4.066

135420.266

 

A6

1.011

0.739

1

566.170

757.794

0.533

1725

2308.838

9.703

227791.922

Broke @ grip

A7

1.013

0.745

1

422.010

559.187

0.545

1023

1355.532

3.101

163383.250

 

A8

1.019

0.722

1

441.610

600.244

0.588

1178

1601.157

5.213

155396.938

 

A9

1.030

0.722

1

448.850

603.569

0.615

1288

1731.974

7.780

147050.750

 

Average

1.029

0.732

1.000

478.115

634.890

0.607

1223

1624.817

5.169

159561.154

Excludes those that broke @ grip

STDS

0.013

0.014

0.000

49.217

58.343

0.071

108

140.800

1.627

19622.747

Excludes those that broke @ grip

 

Tension Test Details
1 x 6 No Blow
Test Method ASTM D638 as modified by D20.20.01
Date of Test January 11, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Specimen Preparation machined to shape, front and back faces left as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Rate of Crosshead Motion 0.2 in. / min

Specimen

Width
(in)

Thickness
(in)

Gage Length
(in)

Load @ 0.2% Offset
(lb)

Stress @ 0.2% Offset
(psi)

Strain @ 0.2% Offset
(%)

Max. Load
(lb)

Stress @ Max. Load
(psi)

Strain @ Max. Load
(%)

Modulus of Elasticity
(psi)

Comments

F1

1.04

0.737

1

734.760

958.616

0.768

2172

2833.734

10.328

168926.172

 

F2

1.048

0.724

1

654.220

862.232

0.551

1925

2537.061

6.226

254287.984

 

F3

1.046

0.736

1

783.080

1017.177

0.727

2134

2771.947

7.613

193194.312

 

F4

1.023

0.724

1

662.810

894.901

0.495

2017

2723.276

7.929

304437.500

 

F5

1.039

0.721

1

625.500

834.981

0.500

1914

2555.001

7.582

280779.000

 

Average

1

0.728

1

692.074

913.581

0.608

2032

2684.204

7.936

240324.994

 

STDS

0.010

0.008

0

64.857

74.034

0.130

118

132.221

1.490

57578.204

 

 

Tension Test Details
1 x 6 Groove
Test Method ASTM D638 as modified by D20.20.01
Date of Test January 11, 1999
Operator JST, Lab Director, Materials Testing Laboratory, University of Missouri-Rolla
Specimen Preparation machined to shape, front and back faces left as manufactured
Conditioning Procedure 71 oF, 21% relative humidity
Rate of Crosshead Motion 0.2 in. / min

Specimen

Width
(in)

Thickness
(in)

Gage Length
(in)

Load @ 0.2% Offset
(lb)

Stress @ 0.2% Offset
(psi)

Strain @ 0.2% Offset
(%)

Max. Load
(lb)

Stress @ Max. Load
(psi)

Strain @ Max. Load
(%)

Modulus of Elasticity
(psi)

Comments

J1

0.989

0.760

1

811.810

1080.052

0.676

1996

2655.527

5.140

229339.859

 

J2

0.984

0.769

1

775.830

1025.286

0.625

2125

2808.261

6.507

243328.203

 

J3

1.003

0.789

1

723.220

913.887

0.530

1894

2393.327

3.858

283027.781

 

J4

0.987

0.788

1

776.100

997.871

0.607

2114

2718.076

5.721

246386.625

 

J5

1.018

0.769

1

754.090

963.272

0.555

2074

2649.321

5.658

274348.781

 

Average

1

0.775

1

768.210

996.074

0.599

2041

2644.902

5.377

255286.250

 

STDS

0.014

0.013

0

32.576

62.729

0.058

96

154.485

0.980

22518.804