China Q345NQR2 Steel Sheets Supplier And Exporter

High-strength hot-rolled Q345NQR2 steel sheets and plates designed for railway rolling stock and structural applications. Q345NQR2 is an atmospheric corrosion-resistant structural steel grade supplied in plates, sheets and coils suitable for forming, welding and fabrication in rail vehicle components and other heavy engineering uses.

Key features

• Product forms: Hot-rolled plates, sheets and coils
• Corrosion resistance: Designed for atmospheric-corrosion resisting applications (railway rolling stock)
• Stock availability: On-hand inventory (example stock indicated: 200 tonnes) with prompt shipment for stocked items
• Minimum order quantity (MOQ): 10 pieces

Standard dimensions and supply options

• Thickness: (coils) ≤ 25 mm; plates and sheets available in wider thickness range depending on order
• Width: 1,220 mm – 4,200 mm
• Length: 5,000 mm – 18,000 mm
• Coil, cut-to-length plates and full-length sheet supply available

Quality assurance and testing

• Material Test Certificate (MTC) available
• Non-destructive testing options: Ultrasonic (UT), NDT, HIC test
• Mechanical and metallurgical processing: TMCP (Thermo-Mechanical Controlled Processing), Normalizing (N), Quenched & Tempered (Q+T)
• Additional tests and procedures: Charpy V-Notch impact, Z-direction testing (Z15/Z25/Z35), PWHT (simulated), NACE0175 compliance where required
• Third-party inspection and testing (e.g., SGS) can be arranged

Commercial terms

• Delivery time: Immediate for stock items; typical production lead time 10–40 days depending on order size and processing
• Payment: T/T or L/C at sight
• Surface treatments: Painted/coated or shot-blasted finishes can be supplied on request

Typical applications

• Railway rolling stock components and structural members
• Heavy engineering and construction where enhanced atmospheric corrosion resistance is required

If you need detailed chemical and mechanical certificates, dimension tolerances, surface finish options, or a firm quotation including lead time and FOB/CIF pricing, provide your required sizes, quantities and destination port so a tailored offer can be prepared.