F1554 Bolts Have Become An Industry Standard

By Ida Dorsey


You will need the right equipment for any project you undertake. The ASTM F1554 is an anchor bolt that can take the form of being bent or headed. The headed bolts are non threaded and have a forged hex, square headed or a heavy hex head. The tip is rooted into the concrete foundation where it will lock any steel columns, bridge rail or light poles firmly in place.

There are three different grades, the 36, 55 and the 105 and they are all designate the minimum ksi or kilopounds per square inch of the anchor bolt. These can be roll threaded or cut and the 55 grade can be changed for the 36 grade if needed. Each one comes with a specific colour code at the end so that identification in the field is much easier. The 36 bolt is blue while the 55 is yellow and the 105 is red.

The Hex bolt is the most commonly used when needed for construction. They have a six sided head and are used for fastening steel and wood as well as for highway structures and docks. The normal products that are produced for any highway include guardrail bolts, barrier pins, traffic pole anchors, light anchor bolts as well as bridge rail anchor bolts and sign structure bolts.

This company perform all mechanical, hardness as well as revolving capacity testing in- house, and provide only products that are 100% fully traceable. They also give a very complete and precise certification packages which they store electronically. This makes sending out any extra copies very quick and easy.

There are even bolts that are dipped in galvanised steel. This means that the steel or iron has gone through a chemical procedure that will help prevent it from rusting. The steel will be coated in a few layers of zinc as rust cannot damage this kind of defensive metal. The general purpose of this is that excess zinc will be left in the threads thus helping to prevent the nut from threading onto the fastener.

This enables the companies to produce the different parts much faster and to ensure that the clean threads will fit the nuts much securely. The life expectancy with this method can be longer than thirty years and all parts will be coated evenly. As zinc bonds to steel it will provide protection that is permanent.

Before this process can begin the bolts need to be prepared and cleaned. All of them are first wheelabrated which is the use of certain steel abrasives, so that all hot forging scales will be removed. They will then be dunked into a solution of caustic soda which will remove all organic materials. The next dunking will be in sulphuric acid as this helps with the zinc to infiltrate the top layer. The last phase is that they are flooded in a flux solution so that the zinc will respond to the steel.

In 1988 it was sold again and in 1992 they moved to a much bigger facility where they had 85 thousand square feet. They then bought back the hot dip galvanizing line. Other products that they manufacturer besides these are the u-bolts and tie rod assemblies. You will need to make sure that you have the right equipment for any project you are taking on, so why not use tools and bolts provided by true experts.




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