Test Date: 05/28/2009
Lab: STORK Materials Technologies
Part: 600 Mini Sprint Steering Rod
Test Type: Chemical Composition / Hardness / Strength
Test Procedure: Chemical: Optical Emission per SOP 2.02 rev 9
Tensile: ASTM E8-08
Hardness: ASTM E 384-05a
Test Result: Material identified as 4130
 

Chassis Tubing

 
 
Test/Sample ID 3/4" X 0.065
Carbon 0.30
Manganese 0.56
Sulfur 0.005
Silicon 0.22
Chromium 0.81
Phosphorus 0.011
Molybdenum 0.16
Rockwell Hardness HRC 32.4
Tensile Strength psi 140,000
Yield Strength .2% offset psi 116,000
Percent Elongation in 2.0" 12