From the Oak Forest Firefighters Union Local 3039 Facebook page: Oak Forest FD photo Oak Forest FD photo Thanks Martin for sharing this update. This is a critical time for our department, and we appreciate the support from our neighboring agencies. While we work through this temporary situation, we remain committed to keeping our community safe. Stay tuned for more updates on the new equipment coming our way soon. Stainless Steel Welding Electrodes
STAINLESS STEEL Welding Electrode:
Stainless steel electrode refers to a type of electrode coated with stainless steel as raw material. It can be divided into chromium stainless steel electrode and chrome-nickel stainless steel electrode, which are widely used in chemical industry, chemical fertilizer, petroleum, medical machinery manufacturing and other industries.
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In addition to meeting the general welding process performance and mechanical properties of welded joints, stainless steel electrodes must also ensure that the welded joints can meet certain corrosion resistance requirements. For coatings and cores, the following requirements are generally considered:
1) Through the transition of various alloying elements through the welding core and coating, the weld metal contains a certain amount of austenite and ferrite structure, so as to ensure that the weld metal has both good crack resistance and good crack resistance. The ability of the corresponding medium to corrode.
2) Through the welding core or coating, a certain amount of carbide-forming elements (such as niobium, molybdenum, titanium, etc.) can be infiltrated into the weld metal to form stable carbides with carbon to prevent the formation of chromium carbides at the grain boundaries thing.
3) The increase of carbon will cause intergranular corrosion in the weld of austenitic stainless steel (or ferritic stainless steel), so the carbon content in the welding core and coating raw materials should be strictly controlled. It is recommended to use low carbon or super Low-carbon welding cores use low-carbon or carbon-free iron alloys and metal elements as raw materials for the coating.
4) Strictly control the sulfur and phosphorus content in the stainless steel welding core and coating to reduce the risk of weld thermal cracks.
Oak Forest Fire Department news (more)
Well, we have some good news and some bad news! Starting with the bad… right now, we don’t have any fire apparatus currently in service here in Oak Forest.
Our neighbors to the west, the Village of Tinley Park Public Safety and Orland Fire Protection District, IL, are both helping us out by letting us use their engines so we can maintain emergency services without a gap.
The good news is that we’ve been informed we have funding allocated and official approval to purchase new fire apparatus. We’re really excited about this and hoping to move forward as quickly as possible.