上海Q345B鋼管\Q345B無縫鋼管159*18電梯用管材每噸價(jià)格
Q345B無縫鋼管重量公式:[(外徑-壁厚)*壁厚]*0.02466=kg/米(每米的重量)
36×3.5-5-6-8
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159×4.5-6-10-12-14
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480×10-12-14-16-18-20-25-30-40
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38×4-5-6-7-8-9-10
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159×16-18-20-22-25-30
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500×10-12-14-16-20-25-34-40-50
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39×3.5-5-8-10
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168×8-10-12-14-20-25-30-35
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510×10-12-14-16-20-25-34-40-50
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42×3.5-4-5-6-7-8-9-10
|
180×8-12-16-25-30
|
530×10-12-14-16-18-20-30-40
|
45×3.5-4-5-6-7-8-9
|
180×32-34-38-40-45-50
|
560×10-14-16-20-25-30-40-50-60
|
48×3.5-4-5-6-7-8-9-10
|
194×6-8-12-16-20-25-30-40-45-50
|
580×10-14-16-20-30-40-50-70
|
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