Test Date: 08/24/2007
Lab: Illinois (USA)
Part: Chassis Tube (Safety Bar) and Wing Tree Adjuster
Test Type: Chemical Composition / Hardness / Strength
Test Procedure: ASTM E415, E8 and E18.  A2LA Certified Testing.
Chemical tests to determine composition.
Rockwell Hardness test to determine hardness.
Tensile and Yield strength.
 

Chassis Tubing

 
 
Test/Sample ID

1"
(Chassis)

0.60"
(Wing Adjuster)

Carbon 0.30% 0.30%
Manganese 0.48 0.47
Sulfur 0.011 0.014
Silicon 0.27 0.28
Chromium 0.85 0.86
Phosphorus 0.012 0.013
Molybdenum 0.14 0.14
Copper 0.16 0.14
Nickel 0.08 0.12
Rockwell Hardness HRB(s) HRC 25/26 HRB 82/83
Tensile Strength ksi 124.4 -
Yield Strength .2% offset ksi 111.3 -
Percent Elongation in 2.0" 9.0 -