Commodity: concrete delivery cylinder

Size range: Diameter of 150mm-280mm

Steel grade: SAE 1045,CK45,C45E,CK45,E355, ST52

Manufacture method: Cold drawn+deep hole bored+honed+hard chrome plated+polished+turned as per drawing, hot rolled+externally machined+deep hole bored+honed+hard chrome plated+polished+turned as per drawing.

Delivery condition: As rolled, Stress relieved. 

Thickness of hard chrome plating: 0.2mm-0,25mm

Hardness of chromed layer: HV850 min

Roughness of bore: Ra0.25um max. 

ID tolerance: -0/+0.1mm

Painting: as per request.