4140 Shaft Annealed is chromium-molybdenum alloy steel. 4140 Shaft Annealed is the main product of Otai special company。
We hold the annual party yesterday, to celebrate the end of 2019, and prepare for 2020, all members of Otai special company enjoy the supper together at the wenhua hotel.
After concluded the work of 2019, we set the new goal of 2020 .during the party time, everyone enjoyed the happy time, we played the games, enjoyed the delicious food. I felt otai steel company is not only a company but also is a big family .once I face the difficulty, my colleagues help me, everyone is easy –going, most of my colleagues worked many years at Otai steel company, so most of our customers are old customer, we achieved a lot of improvements last year, I think we can go further at 2020.
4140 Shaft Annealed is chromium-molybdenum alloy steel. 4140 Annealed is often used when high tensile strength or toughness is required. 4140 Annealed will have a hardness in the high teens/low twenties on the Rockwell C Scale.
application of 4140 Shaft Annealed
4140 is used for engineering structural, like high tensile shafts, bolts, and nuts, gears, pinions, and spindles. Locomotive traction with the big gear, supercharger drive gear, pressure vessel, rear axle, gear load of the connecting rod and a spring clip,4140 can also be used to under 2000 m deep well of oil drill pipe joint and the fishing tool and can be used for bending machine mold, etc. Thanks for all the customers from all over the world still stand by Otai Special Steel to support us. Never change like steel.
4140 Shaft Annealed is the main product of Otai special company, After almost 20 years of development and growth, Otai Steel becomes one comprehensive special steel factory, stockist and exporter. Combined with the experienced exporting team and professional technical knowledge, Otai stocks4140 steel plates and keep a daily inventory of 800 tons which is hard for competitors.
