縱向力學(xué)性能
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標(biāo)準(zhǔn)
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牌號(hào)
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抗拉強(qiáng)度(MPa)
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屈服點(diǎn)(MPa)≥
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伸長(zhǎng)率(%) ≥
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沖擊功(J)≥
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GB/T3087-2018
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10#
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333-475
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196
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24
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-
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20#
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392-588
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245/226
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20
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-
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GB/T5310-2018
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20G
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410-550
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245
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24
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35
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20MnG
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≥415
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240
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22
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35
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25MnG
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≥485
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275
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20
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35
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15MoG
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450-600
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270
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22
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35
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20MoG
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≥415
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220
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22
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35
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12CrMoG
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410-560
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205
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21
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35
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15CrMoG
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440-640
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235
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21
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35
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12Cr2MoG
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450-600
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280
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20
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35
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12Cr1MoVG
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470-640
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255
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21
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35
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12Cr2MoWVTib
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540-735
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345
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18
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35
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