Test Date: 06/26/2008
Lab: SGS Group
Part: Tube for TXRC-SC-CH-1000 (Chassis)
Test Type: Chemical Composition / Hardness / Strength
Test Rating: As per ASTM A751-07a, ASTM E8-08, ASTM E18-08
Test Procedure: Chemical tests to determine composition.
Rockwell Hardness test to determine hardness.
Tensile and Yield strength.
 

Chassis Tubing

 
 
Test/Sample ID

1/2"

3/4"

1"

1 1/4"

1 3/8" 1 1/2"
Carbon 0.26 0.27 0.28 0.26 0.28 0.28
Manganese 0.53 0.63 0.63 0.57 0.57 0.57
Sulfur 0.007 0.007 0.006 0.010 0.007 0.008
Silicon 0.21 0.21 0.22 0.23 0.22 0.21
Chromium 0.87 0.96 0.98 0.88 0.82 0.94
Phosphorus 0.009 0.018 0.020 0.008 0.010 0.010
Molybdenum 0.14 0.16 0.16 0.17 0.16 0.16
Nickel 0.062 0.057 0.052 0.064 0.071 0.071
Copper 0.054 0.023 0.024 0.095 0.087 0.087
Rockwell Hardness HRA(s) 55.5 58.5 55.5 59.5 59 59.5
Tensile Strength ksi 99 119 110 107 113 111
Yield Strength .2% offset ksi 98 110 100 95 92 97
Percent Elongation in 2.0" 14.5 14.5 13.5 13.0 14.5 13.5
Wall Thickness in inches 0.060 0.060 0.095 0.095 0.095 0.095