丽水20#精密无缝管现货供应商|直径48mm的精密无缝管最小壁厚是多少mm？
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规格
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89×4.5-8-10-12-14-16-18-20
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95×4.5-6-8-10-12-14-16-20
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102×4.5-5-6-7-8-10-12-14-16-20
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108×4.5-5-6-7-8-10-12-14-18-20-22
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114×4.5-5-6-7-8-10-12-14-18-20
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121×4.5-5-6-7-8-10-12-14-16-20
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127×4.5-5-6-7-8-10-12-14-16-20
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133×4.5-6-8-12-14-16-18-20-25-30
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140×5-6-7-8-9-10-12-14-16-20-22
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146×4.5-6-8-12-14-16-18-20-25-30
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152×4.5-6-8-12-14-16-18-20-25-30
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159×4.5-6-10-12-14
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