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Brazing practice. Brazing is a metal-joining process in which two or more metal items are joined by melting and flowing a filler metal into the joint, with the filler metal having a lower melting point than the adjoining metal. Brazing differs from welding in that it does not involve melting the work
Certification of welding inspectors W47.1-09 (R2014) Certification of companies for fusion welding of steel W47.2-11 (R2015) Certification of companies for fusion welding of aluminum W48-14: Filler metals and allied materials for metal arc welding W55.3-08 (R2013) Certification of companies for resistance welding of steel and aluminum W59-13
The American Welding Society also certifies the Accredited Test Facilities (ATF) which play an integral part in the operation of their Certification program. The ATF program establishes minimum requirements for test facilities, their personnel and equipment to qualify for accreditation to test and qualify welders.
In short, oxy-fuel equipment is quite versatile, not only because it is preferred for some sorts of iron or steel welding but also because it lends itself to brazing, braze-welding, metal heating (for annealing or tempering, bending or forming), rust, or scale removal, the loosening of corroded nuts and bolts, and is a ubiquitous means of ...
California has identified more than 200 silicosis cases among countertop cutters working with engineered stone, more than half of them among Los Angeles County workers.
Pin brazing is a metallurgically safe [citation needed] method of making electrical connections [1] to steel and ductile iron pipelines [citation needed] as well as other metallic structures, [2] which are to be cathodically protected or electrically earthed.
Five New York City police officers opened fire on an armed man, fatally wounding him Thursday, after police said he pointed a weapon at them. New York Police Department Assistant Chief at Patrol ...
LONDON (Reuters) -London bullion market players are racing to borrow gold from central banks, which store bullion in London, following a surge in gold deliveries to the United States on ...