There are different material classifications with the basic concrete mix. In addition, the use of different forms of steel with different tensile strengths is also significant. Now the underwriter laboratories which set the standards for safe and vault creation requires the safes to be built so that they are protected against any form of electrical and mechanical attack or attack by tools, etc. The TL 15 style safe is usually around 750 pounds minimum and might be placed as a standalone safe or might be considered as part of a larger concrete block of safe in a secure premise.
The body wall of this material is usually made of hearth steel which is at least a minimum of one inch in thickness. The tensile strength of this hearth steel is quite high and is expected to be around 50,000 P.S.I. or higher. The walls are welded with open hearth steel and is fastened with a ¼ inch penetration form of weld. Electrical conductors would be made use of with this form of fastening in order to ensure the direct locking mechanism is well hidden.
Those in alkali-silica rich areas might exhibit a high level of re-activity. Gradation of aggregates has to be checked, too. Only those aggregates that give maximum density to the concrete used and at the same time are also of good workability should be selected. Fine aggregate content in the case of crushed aggregate mixes sometimes needs to be checked as the amount of fine aggregate could result in the increased retention of moisture. However, when the fine aggregate content is low, the strength of the structure becomes low because of binding issues. Therefore, when selecting material and mixes, it is critical to consider the effect on one another.
The manufacturing process would also differ based on the form of materials used. For instance, consider the concrete reinforced with steel material that is used. Such a safe wall design would more often be built as custom orders only. The safe wall manufacturing process would first start from the design process, for instance, as one of the aspects of a house or bank building.