品牌:20#
起订:1吨
供应:323吨
发货:3天内
信息标签:大口径流体无缝钢管,20#厚壁无缝钢管,供应,冶金矿产,普通钢材
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钢管种类
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外径(D)
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钢管壁厚(S)
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||
冷拔管
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钢管外径(mm)
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允许偏差(mm)
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钢管壁厚(mm)
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允许偏差(mm)
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>30~50
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±0.3
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≤30
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±10%
|
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>50~219
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±0.8%
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|||
热轧管
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>219
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±1.0%
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>20
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±10%
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标准
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牌号
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抗拉强度(Mpa)
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屈服强度(Mpa)
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伸长率(%)
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GB/T8163
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10
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335~475
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≥205
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≥24
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20
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410~550
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≥245
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≥20
|
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Q345
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490~665
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≥325
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≥21
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标准
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牌号
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化学成分
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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
|
||
GB/T8163
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10
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0.07~0.14
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0.17~0.37
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0.35~0.65
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≤0.035
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≤0.035
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≤0.15
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≤0.25
|
≤0.25
|
20
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0.17~0.24
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0.17~0.37
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0.35~0.65
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≤0.035
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≤0.035
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≤0.25
|
≤0.25
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≤0.25
|
|
Q345
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0.12~0.20
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0.20~0.55
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1.20~1.60
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≤0.045
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≤0.045
|
/
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/
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/
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流体管
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||
规格
|
规格
|
规格
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12×1
|
89×4.5-8-10-12-14-16-18-20
|
245×25-28-30-34-40
|
14×1.5-2.5-3
|
95×4.5-6-8-10-12-14-16-20
|
273×7-9-12-15-18-20-25
|
16×1.5-2.5-4
|
102×4.5-5-6-7-8-10-12-14-16-20
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273×30-35-38-40-45-50
|
18×2.3-4-5
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108×4.5-5-6-7-8-10-12-14-18-20-22
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299×8-12-16-20-24-28
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20×2.5-3-5
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114×4.5-5-6-7-8-10-12-14-18-20
|
299×30-32-36-38-40-45
|
24×2.5-3-4-5-6
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121×4.5-5-6-7-8-10-12-14-16-20
|
325×8-12-14-18-38-42
|
25×2.5-3-4-5-6
|
127×4.5-5-6-7-8-10-12-14-16-20
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325×28-32-34-38-42
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28×3-3.5-4-5-6
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133×4.5-6-8-12-14-16-18-20-25-30
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351×10-16-20-25-40
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32×3.5-4-5-6-8
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140×5-6-7-8-9-10-12-14-16-20-22
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355×6-18-20-25-30-40/52
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34×4-5-6-8
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146×4.5-6-8-12-14-16-18-20-25-30
|
377×8-12-15-20-24-28
|
36×3.5-5-6-8
|
152×4.5-6-8-12-14-16-18-20-25-30
|
377×30-37-40-45-50
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38×4-5-6-7-8-9-10
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159×4.5-6-10-12-14
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402×10-15-20-25-30-35
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39×3.5-5-8-10
|
159×16-18-20-22-25-30
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406×10-20-25-28-35-40
|
42×3.5-4-5-6-7-8-9-10
|
168×8-10-12-14-20-25-30-35
|
426×10-12-14-16-20-25-30-35-40
|
45×3.5-4-5-6-7-8-9
|
180×8-12-16-25-30
|
450×10-12-14-16-20-25-34-40-50
|
48×3.5-4-5-6-7-8-9-10
|
180×32-34-38-40-45-50
|
480×10-12-14-16-18-20-25-30-40
|
51×3.5-4-5-6-7-8-9-10
|
194×6-8-12-16-20-25-30-40-45-50
|
500×10-12-14-16-20-25-34-40-50
|
56×3.5-4-5-6-7-8-9-10
|
203×6-7-10-15-20-25-30
|
510×10-12-14-16-20-25-34-40-50
|
57×3.5-5-6-7-8-9-10-12
|
203×32-36-40-45-50
|
530×10-12-14-16-18-20-30-40
|
60×3.5-4.5-5-6-7-8-9-12-14
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219×6-8-12-16-18-20-25
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560×10-14-16-20-25-30-40-50-60
|
63×3.5-4.5-5-6-7-8-9-10-12-14
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219×30-40-45-50-55
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580×10-14-16-20-30-40-50-70
|
68×4-4.5-5-6-7-8-9-10-12-14-16
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219×55-58-60-65-70
|
600×10-14-18-25-20-30-50-60
|
70×4-4.5-5-6-7-8-9-10-12-15-16
|
245×8-10-14-17-20-22
|
610×10-14-18-25-20-30-50-60
|
73×4-4.5-5-6-7-8-9-10-12-15
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245×25-28-30-34-40
|
620×14-20-30-35-45-50-60
|
76×4-4.5-5-6-7-8-9-10-12-14
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273×7-9-12-15-18-20-25
|
630×10-20-30-40-55-75
|
83×4.5-5-10-12-14-16-18-20
|