Standard Number: YB/T 4818-2020(YB/T4818-2020)
Chinese:注塑机械用精密无缝钢管
English:Precision seamless steel tubes for injection molding machinery
Effective Date:2021-04-01
Standard Applicability:This standard specifies the injection molding machinery with precision seamless steel tube classification, code, order content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certification. This standard applies to cold drawn or cold rolled precision seamless steel tubes for injection molding machinery.
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