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g20cr2ni4 sewing ring

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  • G20Cr2Ni4 Chemical composition, G20Cr2Ni4

    2021-1-30 · G20Cr2Ni4A轴承钢是一种常用的优质合金渗碳钢,渗碳处理后表面有相当高的硬度、耐磨性和接触疲惫强度,同时心部还保留良好的韧性,能承受高的冲击负荷。

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  • Amazon.com: sewing ring

    2021-1-30 · G20Cr2Ni4 材料名称 轴承钢 碳 C 0.17~0.23 牌号:G20Cr2Ni4 材料名称:轴承钢,渗碳轴承钢 化学成分 碳C 硅Si 锰Mn 硫S 磷P 铬Cr 镍Ni 铜Cu 0.17~0.23 0.15~0.40 ...

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  • Sewing ring | Etsy

    阿里巴巴G20Cr2Ni4渗碳结构钢板材 G20Cr2Ni4渗碳轴承圆钢 高硬度耐磨钢棒,结构钢,这里云集了众多的供应商,采购商,制造商。这是G20Cr2Ni4渗碳结构钢板材 G20Cr2Ni4渗碳轴承圆钢 高硬度耐磨钢棒的 …

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  • Sewing o ring | Etsy

    6 Pieces Embroidery Hoop Set,Bamboo Circle Cross Stitch Hoop Ring, Sewing Hoop3 inch to 10 inch for Embroidery and Cross Stitch. 4.5 out of 5 stars 106. 7.39 7. 39. Get it as soon as Tue, Jan 12. FREE Shipping on orders over 25 shipped by Amazon.

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  • Aortic Heart Valve with Conform-X Sewing Ring -

    Sewing Ring, Sewing Machine, Crafty Ring, Sewing Jewelry, Crafty Jewelry, Craft Ring, Cute Sewing Ring, Cute Craft Ring, Trendy Craft Ring AshMysticEmporium 5 out of 5 stars (412) 12.00 FREE shipping Only 1 left Add to Favorites Tape measure ring, Gift for sewing lover, Gift for mom sewing, Sterling silver 925 ring sewing measure tape, Sewing ...

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  • BERNINA Gripper rings - BERNINA

    2020-4-18 · G20CrNi2Mo、G20Cr2Ni4、G10CrNi3Mo、G20Cr2Mn2Mo、G23Cr2Ni2Si1Mo等渗碳轴承钢制滚动轴承 零件渗碳前预备热处理、渗碳一次淬回火和高温回火、二次淬回火、贝氏体等温淬火后的技术要求和检 验方法。

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