高压锅炉管20G GB5310-1995 化肥专用管GB6479-2000 低中压锅炉管
ST45.8-||| DIN17175-79、ASTM106B 石油裂化管GB9948-1988 结构流体用管
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20#、45#、40Cr
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6-8-10x1-1.5-2-2.5
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168-180-194x6-8-10-12-14-16-18-20-22-35
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12-14-15-16-17x1-1.5-2-2.5-3-4
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203-245-267x8-10-12-14-16-18-20-22-25-40
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18-20-22-23-25-27x1.5-2-3-4-5-6-7
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273-280-299x7-8-10-12-14-16-18-20-22-45
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30-32-34-35-36-38x2-2.5-3-4-5-6-7-8-9
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325-356-377-402x9-10-12-14-16-18-22-25-30-60
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40-42-45-48-50-51x2-2.5-3-3.5-4-6-8-10
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406-410-426-450-480x9-10-12-14-16-18-25-30-35-70
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54-57-60-63.5-68x3-4-5-6-7-8-9-10-12-16
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500-508-510x10-12-14-16-18-24-28-35-70
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70-73-76-80-83x3-3.5-4.5-6-8-10-12-14-25
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550-560-600x10-12-14-16-18-25-35-50-80
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80-95-102-108x4-4.5-6-8-10-14-16-20-25
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610-630-660x10-12-14-16-18-22-28-35-80
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114-121-133-146x4-4.5-6-7-8-10-12-14-16-20-25
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720-820-1040x10-12-14-16-30-40-60-100-160
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