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| .043 Univit coil steel problem | |||
| Post Reply | Engineering Forum | ||
| Posted by: Debra ® 05/15/2009, 21:45:47 Author Profile eMail author Edit |
I purchased steel from a new vendor. I asked them to email me the specs prior to shipping. They supplied me with what chemistries they said the mill provided. However, I researched the standard specs for Univit and the chemistries available showed more content specs that the vendor I purchased the steel said were provided from the mill. I went ahead and purchased the steel and now I have problems with the steel working with my dies. I have been running the product I manufacture for 20 years. I have always provided my vendors with my type of steel and never had very many problems. Never a problem with the steel being too hard. It won't shear, it won't punch consisently and the only way I can punch through all the holes in the die tool, (520 holes) it leaves very bad burrs on the back of the blanked part. What advice would you have for me? The vendor is clueless. They asked me to forward samples to them today so they could test, which I did. But I'm with a truck load of steel that is univit enameling steel and I cannot process through my presses and tooling. Any help and prompt reply is very much appreciated. Thanks in advance for any help you may offer. |
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| : .043 Univit coil steel problem | |||
| : .043 Univit coil steel problem -- Debra | Post Reply | Top of thread | Engineering Forum |
| Posted by: CCR5600Design ® 05/16/2009, 09:37:31 Author Profile eMail author Edit |
We had a similar occurance with a steel company. Our former shop supervisor opted to try "stretched and leveled" A36 sheet as opposed to our ususal hot rolled, pickled and oiled material. The steel company apparently shot him a deal he couldn't refuse and it was purchased without processing a sample. We broke punches, wore out brake dies, tore up grinders and drill bits for weeks afterwards. Not much of a cost savings if you ask me. We now use a different steel company.
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