Incoming Inspection & Preheating
Dimensional verification, plate leveling, surface oil removal and preheating in temperature-controlled chambers (0°C–110°C).
Processing Route 02 · Marine & Shipbuilding
Ship Plate Surface Pre-Treatment & Fabrication Line
High-efficiency automated roller-conveyor shot blasting (Sa2.5), airless shop primer application (15–25µm), 20000W CNC laser cutting, and seaworthy packaging compliant with international classification societies.
5.2 m × 24 mMax plate processing dimensions (5–120 mm thickness)
Sa 2.5 CleanlinessCentrifugal high-velocity steel shot blasting
300,000 TonsAnnual dedicated plate pre-treatment capacity
15 Min to PortDirect access to major coastal seaport terminals
Standardized Manufacturing Flow
Automated Pre-Treatment Workflow
Strict quality control protocol executed at every step from incoming raw plate inspection to outbound port delivery.
Centrifugal Shot Blasting (Sa2.5)
High-speed steel grit centrifugal blasting achieving strict Sa2.5 cleanliness, removing 100% of mill scale and corrosion with roughness testing.
Automatic Airless Primer Coating
Uniform automatic high-pressure spraying of weldable zinc-silicate or epoxy pre-construction primer with dry film thickness of 15–25 µm.
Drying, Curing & Marking Recovery
Fast hot-air drying tunnel followed by automated high-definition inkjet plate marking restoration (heat number, grade, size and class mark).
HEAVY EQUIPMENT INFRASTRUCTURE
Heavy Finishing & Precision Machining Equipment
Supporting downstream fabrication with heavy laser cutting, edge bevel milling, plate rolling, and demagnetization.
| Equipment Name | Key Specifications | Capacity / Scope | Application Highlights |
|---|---|---|---|
| 20,000W CNC Laser Cutting Machine | 16,000 mm × 4,000 mm worktable | 50–200 Tons / Day | High-precision piercing and smooth, burr-free edge cutting for thick steel plate shapes |
| W11S-42mm × 4000mm Universal Rolling Machine | Max 42 mm thickness × 4,000 mm width | 150–160 Plates / Day | Hydraulic auxiliary lifting, crowned top roll for high-precision cylindrical tank/pipe forming |
| XB-15 / XB-16 Double-Sided Edge Milling Machine | 16,000 mm max processing length | 120–130 Plates / Day | Frequency-converted stepless bevel angle adjustment (V, Y, X bevels) for robotic welding |
| Continuous Industrial Demagnetizer | Continuous 12-hour duty cycle | Residual Magnetism ≤5 Gs | Eliminates arc blow during high-precision marine automated welding operations |
| Heavy Overhead Crane Network & Vacuum Spreaders | 13 Overhead cranes (10–40 ton capacity) | 7 Magnetic + 3 Vacuum units | Double-girder double-hook setup with specialized vacuum spreaders for scratch-free surface lifting |
Quality & Marine Compliance
Certified for Major Marine Classification Societies
Every pre-treatment batch is tracked with precision inspection instruments including Elcometer dry film thickness gauges (0–1500 µm), TDStest11 salt contamination meters, and 918 needle-type roughness testers. Certified quality inspectors ensure full compliance with ABS, BV, CCS, DNV, GL, KR, LR, NK and RINA requirements.
Port Proximity: Located within 15 minutes of major deepwater seaport terminals (Lanshan, Lanqiao, Lanbei), providing seamless railway-to-port intermodal logistics, 100,000-ton warehouse capacity, and specialized seaworthy container/bulk packing.
Project Track Record: Proven delivery for CNPC LNG storage tanks, Sinopec Algeria LNG revamping, Jiangsu New Times Shipbuilding Type-C marine tanks, and international grinding station projects.
Shipbuilding & Marine Projects
Discuss Your Marine Steel Processing Requirements
Send your bill of materials, plate dimensions, grade specifications and target delivery port. Our engineering and logistics team will prepare a consolidated supply and pre-treatment schedule.
Send Project Details to YXYSteel