Test Date: 12/18/2009
Lab: Metaltest, INC
Part: 2 1/2" Axle Tube
Test Type: Chemical Composition / Hardness / Strength
Test Procedure: Chemical: OES
Tensile: ASTM E8-08.
Hardness: ASTM E18-08b.
Test Result: Chemical analysis results conform to analysis requirements for 4130 alloy steel per UNS 10th Edition.
Tensile test results conform to typical strength requirements for condition N per AMS-T-6736B.
 

Chassis Tubing

 
 
Test/Sample ID 2 1/2" X 0.095
Carbon 0.282%
Manganese 0.522
Sulfur 0.002
Silicon 0.222
Chromium 0.933
Phosphorus 0.010
Nickel 0.024
Copper 0.016
Molybdenum 0.165
Rockwell Hardness HRC 22
Tensile Strength ksi 108.5
Yield Strength .2% offset ksi 101.6
Percent Elongation in 2.0" 20.0