The rolling process of Q355NC steel plate is a complex and precise procedure involving multiple stages and steps. The following is a detailed description of the rolling process for Q355NC steel plate:

I. Raw Material Preparation

1. Steel Plate Selection: Based on product requirements, select Q355NC steel plates that meet the specifications as raw materials.
2. Steel Plate Pre-treatment: Perform surface treatment on the steel plates to remove impurities such as scale, oil stains, etc., ensuring the surface is clean.

II. Heating and Rolling

1. Heating: Place the selected steel plates into a heating furnace to raise their temperature to a suitable level for the rolling process.
2. Rough Rolling: Perform initial rolling on the heated steel plates using a roughing mill to achieve a certain thickness and width.
3. Finish Rolling: Conduct precise rolling on the rough-rolled steel plates using a finishing mill to further adjust their thickness, width, and shape to meet product requirements.

III. Cooling and Straightening

1. Cooling: Cool the rolled steel plates to eliminate internal stress and enhance their strength and stability.
2. Straightening: Perform straightening on the cooled steel plates to remove deformations such as bending and twisting, ensuring the plates are flat.

IV. Inspection and Packaging

1. Inspection: Conduct quality inspections on the steel plates that have undergone rolling, cooling, and straightening to ensure they meet product requirements.
2. Packaging: Package the inspected and qualified steel plates according to product requirements and transportation conditions to protect the product during transit.

V. Transportation and Storage

1. Transportation: Transport the packaged steel plates to the designated location, ensuring product safety during transit.
2. Storage: Store the steel plates upon arrival at the designated location, ensuring the storage environment meets product requirements to prevent issues such as moisture and rust.

It should be noted that the rolling process for Q355NC steel plates may vary depending on factors such as the manufacturer and equipment configuration. Therefore, adjustments and optimizations should be made based on specific conditions during actual operations. Additionally, to ensure product quality and production efficiency, monitoring and management of the production process should be strengthened to promptly identify and resolve issues.