Cost and Lead Time

Price Range:

Q460: ~5,000–7,000 CNY/ton; Q550: ~7,000–9,000 CNY/ton; Q690: ~10,000–15,000 CNY/ton (market-dependent).

Delivery: Q460 in stock; Q690E requires 4–6 weeks for custom orders.

Safety and Maintenance

Welding Safety: Use protective gear; apply post-weld hydrogen bake-out (200–250℃ for 2h).

Corrosion Protection: Apply high-durability coatings (e.g., polyurethane, DFT ≥200μm) for outdoor use; inspect and repair coatings regularly.

Fatigue Monitoring: Conduct stress testing and crack detection for dynamic-load structures (e.g., bridges, cranes).

Summary

Q460, Q550, and Q690 steels are pivotal in high-performance applications, offering a balance of strength, toughness, and processability. Selection must weigh load, environment, and cost, with rigorous control over manufacturing and inspection. For complex projects, collaboration with steel manufacturers and engineering firms is essential to ensure structural integrity and compliance with standards.

 

 

 

 

 

 

 

 

International Substitutes

Chinese Grade	European (EN 10025-6)	US (ASTM)	Japanese (JIS)
Q460	S460MC/S460NL	A572 Gr.50	SM570
Q550	S550Q/S550QL	A913 Gr.65	SPFC590
Q690	S690Q/S690QL	A514 Gr.Q/A852 Gr.65	-

 

 

 

 

 

Why Choose Us?
We take pride in our ability to provide custom solutions for our customers' unique needs.
We analyze and compare the previous products and the current technical situation of our Q460 Q550 Q690 Low Alloy High Strength Steel Plate, and develop new technical specifications and processes.
Our customers trust us to deliver high-quality Cold-rolled Steel products on time and on budget.
We strictly implement the warm and thoughtful after-sales service, adhere to the development of good professional ethics.
We offer a wide range of Cold-rolled Steel products to meet diverse customer needs.
We adhere to the customer-centric and brand-oriented business philosophy, and continue to provide customers with reliable and excellent products and services.
Our factory is committed to upholding the highest standards of safety and quality.
All staff of our company and all departments work together to combine business management, professional technology, quantitative statistical methods and ideological education.
Our Cold-rolled Steel products are known for their durability and reliability.
Relying on the superior conditions and strong advantages of mass production, we are able to meet the different needs of our customers.

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