
Delivery status: SA537Gr1, normalizing;SA537Gr2, quenching and tempering, the tempering temperature should not be lower than 595℃;SA537Gr3, quenching and tempering, the tempering temperature should not be lower than 620℃.
Q690E high strength steel chemical composition: C: 0.08-0.15, Si: 0.17-0.37, Mn: 0.40-0.70, S: ≤0.035, P: ≤0.035, Cr: 0.30~0.60, Cu: ≤0.030, Ni: ≤0.030, V: 0.15-0.30, Mo: 0.25-0.35Q690E mechanical properties:Tensile strength σb (MPa): ≥440Yield strength σs (MPa): ≥225Elongation δ5 (%): ≥22Reduction of area ψ (%): ≥50Impact energy Akv (J): ≥78Steel SA514 Gr Q Plate
Customer first, reputation first, high-quality and perfect after-sales service is the extension of our product value and an important guarantee for the interests of customers. The purpose of our service quality management system is to establish and constantly improve a scientific, reasonable and efficient service quality management system, and complete the after-sales service quality guarantee work of customers fairly, accurately and timely, For our company's customer service to establish a good, comprehensive, full service system.
The company sold 50,000 tons of hot rolled plates to Southeast Asian countries, which will help the construction of relevant key projects in countries along the “Belt and Road”. In response to the local environment and construction needs in Southeast Asia, the company has made a number of improvements to its export products, with excellent cost performance such as low emissions and low fuel consumption. It is an ideal compaction equipment for the construction of high-grade highways, railways, airports, ports and industrial sites. Loved by customers from countries along the “Belt and Road”.
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