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Crimp Tensile Strenght Standards




People ask me all the time, "How do I know if I got a good crimp tool?".


The only way to know is to physically test your crimp terminations with your tool and your terminals. When you find a combination that meets or exceeds MIL-T-7928G then you have an excellent combination. Once you find and have tested all the combinations YOU USE stick with that brand of terminal and tool ALWAYS.


Unfortunately this is the ONLY decent way to properly know your tool is going to result in a termination suitable for holding up to the marine environment.


After many years of testing, and using tens of thousands crimp terminals in the marine environment, I can say without pause that MIL-T-7928G, for me, is the BARE MINIMUM tensile strength I want to achieve. If you are frugal in your tool and terminal choice then you should at the bare minimum strive for UL-486A.


"But RC what about the ABYC E-11 standard?" My 2 on the ABYC E-11 tensile strength standard is that it is PATHETIC and you will be a chronic under achiever if you set the bar to the PATHETICALLY LOW ABYC E-11 tensile strength guideline. E-11 is a complete joke in this regard. There I said it.....! (wink)


Please note that I am a current ABYC member/supporter and also an ABYC certified technician. Just because I am an ABYC member and certified tech DOES NOT mean I have to agree with everything. I call it as I see it and the ABYC E-11 TABLE XV - TENSILE TEST VALUES FOR CONNECTIONS is a ridiculously LOW bar to set......


This is a chart I created by comparing all the useful standards for tensile crimp strength. The chart breaks out the varying crimp standards, including the pathetically low ABYC E-11 standard.


It should be pretty easy for any good quality terminal and mid level or better crimp tool to EXCEED MIL-T-7928G.

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