螺旋钢管执行标准
发布时间：2019/07/16
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标准
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钢级
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化学成分（%）Chemical compposition
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拉抻性能Tensil properties |
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|||||||||||||
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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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V
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Nb
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Ti
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其它
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|
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||
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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max
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||
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GB/T9711.2-1999
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L245NB
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0.16
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0.40
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1.1
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0.025
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0.020
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-
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-
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-
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1)
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0.42
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245
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440
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415
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0.80
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22
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L245MB
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0.16
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0.45
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1.5
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0.025
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0.020
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0.04
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0.04
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-
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1)
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0.40
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245
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440
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415
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0.85
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22
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||
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L290NB
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0.17
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0.40
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1.2
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0.025
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0.020
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0.05
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0.05
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0.04
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1)
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0.42
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290
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440
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415
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0.80
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21
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||
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L360MB
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0.16
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0.45
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1.5
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0.025
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0.020
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0.04
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0.04
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-
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1)
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0.40
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290
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440
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415
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0.85
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21
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||
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L360NB
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0.20
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0.45
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1.6
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0.025
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0.020
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0.10
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0.05
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0.04
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1)2)
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0.45
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360
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510
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460
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0.85
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20
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||
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L415MB
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0.16
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0.45
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1.6
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0.025
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0.020
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0.05
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0.05
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0.04
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1)
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0.41
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360
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510
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460
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0.85
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20
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||
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L415NB
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0.21
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0.45
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1.6
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0.025
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0.020
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0.15
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0.05
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0.04
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1)2)3)
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协议
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415
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565
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520
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0.85
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18
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||
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L450MB
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0.16
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0.45
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1.6
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0.025
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0.020
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0.08
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0.05
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0.06
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1)2)3)
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0.42
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415
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565
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520
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0.85
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18
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||
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L485MB
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0.16
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0.45
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1.6
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0.025
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0.020
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0.10
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0.05
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0.06
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1)2)3)
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0.43
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450
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570
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535
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0.87
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18
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L485MB
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0.16
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0.45
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1.7
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0.025
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0.020
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0.10
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0.06
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0.06
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1)2)3)
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0.43
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485
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605
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570
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0.90
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18
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L555MB
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0.16
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0.45
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1.8
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0.025
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0.020
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0.10
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0.06
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0.06
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1)2)3)
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协议
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555
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675
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625
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0.90
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18
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标准
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钢级
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化学成分
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拉伸性能
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C
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Mn
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P
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S
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Ti
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其它other
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CE (Pcm) |
CE (llm) |
屈伸强度
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拉伸强度
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||||
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max
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max
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max
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max
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max
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max
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max
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min
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max
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min
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max
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|||
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API Spec 5L(PSL2)
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B
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0.22
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1.20
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0.025
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0.015
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0.04
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0.25
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0.43
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241
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448
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414
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758
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X42
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0.22
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1.30
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0.025
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0.015
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0.04
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0.25
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0.43
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290
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496
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414
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758
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X46
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0.22
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1.40
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0.025
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0.015
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0.04
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0.25
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0.43
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317
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524
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434
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758
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X52
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0.22
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1.40
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0.025
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0.015
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0.04
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0.25
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0.43
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359
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531
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455
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758
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X56
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0.22
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1.40
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0.025
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0.015
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0.04
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0.25
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0.43
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386
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544
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490
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758
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X60
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0.22
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1.40
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0.025
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0.015
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0.04
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0.25
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0.43
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414
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565
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517
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758
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X65
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0.22
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1.45
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0.025
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0.015
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0.04
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0.25
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0.43
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448
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600
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531
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758
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X70
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0.22
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1.65
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0.025
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0.015
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0.04
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0.25
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0.43
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483
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621
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565
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758
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X80
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0.22
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1.85
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0.025
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0.015
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0.04
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0.25
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0.43
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552
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690
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621
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827
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标准化代号 Standrdization code |
API
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ASTM
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BS
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DIN
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GB/T
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JIS
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ISO
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YB
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SY/T
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SNV
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5ct
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A53
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1387
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1626
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3091
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3442
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559
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4028
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5037
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OS-F101
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5L
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A120
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10219
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9711.1
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3444
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3181.1
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5040
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A135
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9711.2
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3452
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3183.2
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A252
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14291
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3454
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A500
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13793
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3466
|
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A589
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