web:https://www.cnhydraulicfittings.com/product/226-series/no-45-carbon-steel-hydraulic-hose-fittings-226411212.html

Hydraulic hose fittings are used for hydraulic connection of excavators, forklifts and other construction machinery. The product is made of No. 45 carbon steel, which has strong rigidity and strength, and has a better service life and experience in use.
Product parameters:

Color: white zinc
Surface treatment: Cr+3 or Cr+6 Zinc Plating etc
Standard: iso 9001:2008
Place of Origin: Zhejiang