Standard Number: YB/T 4124.1-2017(YB/T4124.1-2017)
Chinese:热轧无缝钢管用轧辊 张力减径机轧辊和定径机轧辊
English:Rolls for hot rolled seamless steel tubes Tension Reducer Rolls and Sizer Rolls
Effective Date:2018-01-01
Standard Applicability:This part specifies the structure type, technical requirements, test methods, inspection rules, marking, packaging, storage and transportation, and certificate of conformity of rolls (also known as roll rings, hereinafter referred to as rolls) used in tension reduction and sizing machines for hot rolled seamless steel pipe mills. This part applies to the manufacture and acceptance of rolls used in tension reduction units and sizing units for hot rolled seamless steel pipes. Other hot formed steel pipe unit rolls can also be used for reference.
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