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牌號
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30CrMnMoTiA合金結構鋼絲
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中國ISC
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A34313
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對應標準
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GB /T 3079-1993
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合金結構鋼絲
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Alloy structure steels wires
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歸類
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合金鋼
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30CrMnMoTiA 化學元素成分含量(%)
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成分
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C
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Si
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Mn
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P
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S
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Cr
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Ni
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Cu
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Mo
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Ti
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最小值
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0.28
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0.17
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0.8
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-
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-
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1
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-
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-
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0.2
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0.04
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最大值
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0.34
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0.37
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1.1
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0.025
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0.025
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1.3
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0.25
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0.25
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0.3
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0.1
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特級優質鋼 P≤0.025%，S≤0.015%，此時在鋼號后加E。
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YB 30CrMnMoTiA YB/T 5301 Mechanical
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Yield
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Tensile
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Impact
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Elongation
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Reduction in cross section on fracture
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As-Heat-Treated Condition
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Brinell hardness (HBW)
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Rp0.2 (MPa)
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Rm (MPa)
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KV/Ku (J)
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A (%)
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Z (%)
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297 (≥)
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997 (≥)
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11
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12
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33
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Solution and Aging, Annealing, Ausaging, Q+T,etc
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431
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YB 30CrMnMoTiA YB/T 5301 Physical
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YB 30Cr Mn Mo Ti A YB/T 5301的物理性能主要包括彈性模量、熱膨脹系數、導熱系數、比熱容、電阻值、密度、泊松比等。
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Temperature
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Modulus of elasticity
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Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and
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Thermal conductivity
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Specific thermal capacity
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Specific electrical resistivity
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Density
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Poisson’s coefficient, ν
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(°C)
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(GPa)
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(W/m·°C)
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(J/kg·°C)
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(Ω mm2/m)
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(kg/dm3)
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41
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-
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-
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0.22
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-
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238
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275
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-
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34.3
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212
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-
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333
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-
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24
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42.2
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214
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342
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YB 30CrMnMoTiA YB/T 5301 Processing Service
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