20G鍋爐管108*4.5mm耐高溫工作溫度\上海無縫鋼管壁厚規格
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16×2-2.5-4
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108×4.5-5-6-7-8-10-12-14━18-20-22
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351×10-16-20-25-40
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18×2.3-4-5
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114×4.5-5-6-7-8-10-12-14-18-20
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355×6-18-20-25-30-40/52
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20×2.5-3-5
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121×4.5-5-6-7-8-10-12-14-16-20
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377×8-12-15-20-24-28
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24×2.5-3-4-5-6
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127×4.5-5-6-7-8-10-12-14-16-20
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377×30-37-40-45-50
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