Introduction to Surface Treatment "Shot Peening"

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At Daiichi Chemical Co., Ltd., we handle "shot peening," a type of surface treatment that utilizes shot blasting to increase the surface hardness of steel surfaces. This process enhances fatigue strength by applying compressive residual stress to the surface layer, which counteracts repeated loading. The benefits include improved wear resistance, enhanced stress corrosion cracking resistance, better heat dissipation, and reduced fluid resistance. Additionally, harmful tensile residual stresses generated by welding or heat treatment can be easily converted into compressive residual stresses through peening. 【Features】 ■ Speed of the projected steel balls: approximately 40 to several hundred m/s ■ Size of the steel balls: approximately 0.5 mm to several mm ■ Support for on-site work *For more details, please download the PDF or feel free to contact us.

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