Coated Surface Treatment and Hot Rolled Technique black stainless steel sheet

Production Process for Stainless Steel sheet 

Annealed stainless steel, first use NG-9-1 chemistry to remove black skin. If there is oil, use NZ-B to remove oil to remove oil → wash → electrolytic polishing (this liquid is used directly for working fluid, Temperature 60 ~ 80 ° C, workpiece hanging anode, current Da: 20 ~ 15A / dm2, cathode is lead - bismuth alloy (including 8%) Time: 1 ~ 10 minutes, polished until → wash → 5 ~ 8% hydrochloric acid Release the film (room temperature: 1 to 3 seconds) → wash with water → blow dry.

RENDA Steel Workshop

Our main businesses are:stainless steel plate,coil,pipe,carbon steel, galvanized steel etc.

Package and delivery 

1.Anti-collision package edge

All parts of the machine are covered with some soft materials, mainly the use of pearl wool

2.Fumigation wooden box:

Our wooden box is fumigated, do not need to check the wood, saving the transport time.

3.Whole tray packaging machine:

The tray is used as a carrier and package or product is stacked on the tray and fixed by strapping wrapping or gluing to form a handling unit for handling by mechanical equipment

4.Tray Package at the bottom of a solid iron socket for easy handling

2.Our main businesses are:stainless steel plate,coil,pipe,carbon steel, galvanized steel etc. We own our own steel factory which mainly produces stainless

steelplate,coil,pipe,carbon steel,galvanized steel and pipe ,etc.