Our company was founded in 2000, which initially committed to providing high-quality steel products for China's rapid infrastructure construction. With the advantages of steel resources and good reputation in the domestic market, combined with the huge demand for steel in the international market, we began to export steel to the international market, opening up the international steel market.
Chemical composition of LR grade D seafaring ship steel, Q345D steel plate: C: ≤018; Si: ≤050; Mn: ≤170; P: ≤0030; S: ≤0025; Nb: ≤007; V: ≤015; Ti: ≤020; Cr: ≤030; Ni: ≤050; Cu: ≤030; N: ≤0012; Mo: ≤010; Als: ≥0015 Yield strength (MPa) of Q345D steel plate: ≤16mm: ≥345; 16-40mm: ≥335; 40-63mm: ≥325; 63-80mm: ≥315; 80-100mm: ≥305; 100-150mm: ≥285; 150-200mm: ≥275; 200-250: ≥275; 250-400: ≥265 Tensile strength of Q345D low alloy steel: 450-630(MPa) Elongation: ≥21 Impact test: -20 ℃: ≥34,LR grade D seafaring ship steel.
Weathering steel plate for welding structure is made by adding chromium, molybdenum, titanium, vanadium and other metal materials into common steel liquid. Adding these materials can form a protective film on the surface, which can resist the corrosion of climate for a long time. Advantages: this kind of steel plate has excellent welding performance and weather resistance, and is widely used in railway, bridge and other areas requiring long-term exposure to the atmosphere,LR grade D seafaring ship steel.
To provide customers with the most satisfactory service and realize the win-win of economic and social benefits, our company promises to provide excellent products in this bidding, and in line with the attitude of being serious and responsible to customers, before sending goods to users, the technical personnel shall confirm that there is no fault in the equipment before sending goods to users, and then send goods and products to users, and formulate the following service terms,LR grade D seafaring ship steel.
The company has a perfect after-sales service system and quality assurance system. The company adheres to the service principle of "all for users", and has established a professional after-sales service team. In the future service process, the after-sales service adopts regular return visit for customers. Timely understand the customer's satisfaction with our products, and solve the user's problems at any time.
For ASTM A573 Grade 70/A573 Gr.70 carbon manganese silicon steel plates, our company would issue the original mill test certificate EN 10204 31 for clients when arrange delivery, so that clients can trace the A573 Gr70 plates origin easily,LR grade D seafaring ship steel.
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