Forging and welding techniques appeared in Egypt in 3000 BC.
Over 2000 BC, the Yin Dynasty in China used casting and welding to make weapons.
Before 200 BC, China had mastered the brazing of bronze and forging welding of iron.
180 1 year: the arc was discovered by H.Davy in Britain.
Edmund David discovered acetylene gas.
1856: British physicist James Joule discovered the principle of resistance welding.
1959: DeVille and Debray invented hydrogen-oxygen welding.
188 1 year: the earliest carbon arc welding machine was invented by Demery Ence, a Frenchman.
188 1 year: it took Dr. R. H. Thurston of the United States six years to complete all the experiments on the strength and ductility of a full range of copper-zinc alloy solders.
1882: The austenitic manganese steel invented by Robert A. hadfield of England and named after him was patented.
1885: Elihu Thompson of the United States obtained the patent of resistance welding machine.
1885: carbon arc welding technology developed by Benardos Olszewski, Russia.
1888: Russian H. Cлавянов invented metal electrode arc welding.
1889 —— 1890: American C. L. Coffin used bare wires as electrodes for arc welding for the first time.
1890; American C. L. Coffin put forward the concept of welding in oxidizing medium.
1890: Englishman Brown tried to rob a bank for the first time by using oxygen and gas cutting.
1895: The X-ray phenomenon of a beam of electrons passing through a vacuum tube was observed by Konrad Roentgen in Bavaria.
1895: Frenchman Le Chatelier obtained the certificate of inventing oxyacetylene flame.
1898: German Goldschmidt invents thermit welding.
1898: Klebsiella Schmidt invented copper electrode arc welding.
1900: covered electrode with thin skin coating was invented by Strommel in England.
1900: French Fouch and Picard made the first oxyacetylene cutting torch.
190 1 year: German Menne invented oxygen lance cutting.
1904: Oscar Kjelberg of Sweden established the world's first covered electrode factory-ESAB company OK covered electrode factory.
1904: American Avery invented the portable cylinder.
1907: when the old central railway station in new york, USA was demolished, oxyacetylene cutting was used to save more than 20% of the project cost.
1907: 10 in June, Swede O. Kjellberg perfected the covered electrode with thick coating.
Schonherr invented the plasma arc.
19 1 1 year: the first 1 1 mile-long oxygen dissolved gas welding pipeline was built by Philadelphia and suburban gas company.
19 12: the first oxyacetylene gas welded steel pipe is put into the market.
19 12: Edward G. Budd, located in Philadelphia, USA, produced the first all-steel automobile body welded by resistance spot welding.
About 19 12: In order to produce the famous T-car, Ford Motor Company of the United States completed the modern welding process in its own factory laboratory.
19 13: Avery and Fisher of Indianapolis, USA, perfected the acetylene cylinder.
1916: Ansel schente invented the X-ray nondestructive testing method for welding area.
19 17: During World War I, 109 marine engines captured from Germany were repaired by arc welding, and 500,000 American soldiers were transported to France by these repaired ships.
19 17: Webster &; Nanqiao Electric Company used arc welding equipment to weld 1 1 mile pipe with a diameter of 3 inches.
1919: Comfort A. Adams founded the American Welding Society (AWS).
1924 commemorative photo of activities of American Welding Association
19 19: C.J.Halslag invents AC welding.
1920: Gediehn discovers the thermal effect of plasma flow.
1920: The first steam ship "Fullagar" with fully welded hull was launched in Britain.
About 1920: Start repairing some valuable equipment with arc welding.