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Get Price2020-9-3u2002·u2002Black Annealing. A process of box annealing or pot annealing ferrous alloy sheet, strip or wire after hot working and pickling. (See Box Annealing) Black Oil Tempered Spring Steel Strip (Scaleless Blue) A flat cold rolled usually .70/.80 medium high carbon steel strip, blue-black in color, which has been quenched in oil and drawn to desired ...
Get Price2020-3-18u2002·u2002Along with shortening the spheroidizing time during production, the high carbon steel wire materials capable of sufficiently lowering hardness and the excessive carbon An object of the present invention is to supply a method for producing a metal wire rod. Other carbon steel merchandise include bars, sheets, plates, mesh, and grating.
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Get Price2019-12-14u2002·u2002SAE AISI 4140 Alloy Steel. SAE 4140 (AISI 4140 steel) is a Cr-Mo series (Chrome molybdenum series) low alloy steel, this material has high strength and hardenability, good toughness, small deformation during quenching, high creep strength and long-lasting strength at high temperature. 4140 Steel Uses. AISI SAE 4140 alloy steel can be made into round steel bar, …
Get Price2021-11-21u2002·u2002Control measures for formaldehyde include direct air supply at the operator station, local exhaust at the corebox, enclosure and local exhaust at the core storage station and low-formaldehyde-emission resins. Satisfactory control is difficult to achieve. Medical surveillance for respiratory conditions should be provided to coremaking workers.
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