4 inch plate a573 grade 58 high strength steel plate stock

Q370qDNH steel plate atmospheric corrosion resistance steel grade: Q—The first letter of the Chinese pinyin of "qu" for the yield strength of steel used in bridges; 370-a specified value of small yield strength, unit MPa; q-the first letter of the Chinese pinyin of the word "bridge" for bridge steel; D—The quality level is D level; N——The first letter of the Chinese phonetic alphabet of the word "Nei"; H——The first letter of Pinyin of "hou"; Q370qDNH steel standard: GB/T 714-2015.

Q265GNH coil chemical composition: C: 0.17～0.24, Si: 0.17～0.37, Mn: 0.40～0.70, S: ≤0.035, P: ≤0.035, Cr: 0.80～1.10, Ni: 0.030, Cu: ≤0.030, Mo: 0.15 ~0.25
a573 grade 58 high strength steel plate mechanical properties:
Tensile strength σb (MPa): ≥885(90)
Yield strength σs (MPa): ≥685(70)
Elongation δ5 (%): ≥12
Reduction of area ψ (%): ≥50
Impact energy Akv (J): ≥78

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 a573 grade 58 high strength steel plate 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 a573 grade 58 high strength steel plate customer service to establish a good, comprehensive, full service system.