牌號 | A449 Type 1 |
---|---|
對應(yīng)標(biāo)準(zhǔn) | ASTM A449-2014
通用最低拉伸強(qiáng)度為120/105/90ksi的熱處理鋼制六角帽螺釘, 螺栓和螺柱的標(biāo)準(zhǔn)規(guī)范 Hex Cap Screws, Bolts and Studs, Steel, Heat Treated, 120/105/90 Ksi Minimum Tensile Strength, General Use |
歸類 | 碳鋼 |
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