HOT 20mm outer diameter 42CrMo hydraulic pipe seamless steel pipe e

20mm outer diameter 42CrMo hydraulic pipe seamless steel pipe explosion proof pipe alloy precision pipe household Certification : CE Origin : Mainland China Model Number : 20mm Usage : DWV Material : Alloy explosion-proof pipe OD 20mm Hydraulic 40cr alloy precision steel tubes seamless steel pipe Inside diameter: complete specifications, please note the size you want This series of products with accurate tolerance, excellent performance, complete specifications.