AISI4130 Alloy Structural Steel 6.0mm-1200mm Very High Strength And Toughness

4130 structural steel has high strength and toughness, high hardenability, and the critical hardenability diameter in oil is 15-70mm; The thermal strength of steel is also good, and it has enough high temperature strength below 500 ℃, but its strength decreases significantly at 550 ℃; When the alloy element is at the lower limit, the welding is quite good, but when it is close to the upper limit, the weldability is medium, and it needs to be preheated to above 175 ℃ before welding; The steel has good machinability and medium plasticity during cold deformation; There is the first type of temper brittleness in the range of 300~350 ℃ during heat treatment; There is a tendency to form white spots.

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Wuxi Zhanlu International Trade Co., Ltd.: Our company's address is located in Wuxi, Jiangsu Province, China, where the steel resources are very rich. Our company is a comprehensive import and export steel trade enterprise. We can provide steel trade, logistics, warehousing and other services. Our iron and steel products mainly include excellent and special steel, mold steel and stainless steel. In addition, our company can also provide special steel products, such as cold drawn round steel, bright round steel Polished round steel, cold drawn seamless pipe, cold drawn hexagonal steel, cold drawn flat steel; Forged round steel, forged flat steel and other special steel products.
Our company's business philosophy is "quality is life and service is soul". Based on the principle of complete variety and customer first, our product sales range is wide: China, Europe, the United States, Japan, South Korea, Southeast Asia, Africa and other countries. At the same time, we also provide services for the Chinese procurement agents of many international companies, because we can provide rich inventory and strong sources of goods, which can solve their needs very well, It has won the trust of many customers.
Our company has professional technology and rich experience. We can provide quality control, spot supply, futures customization, international trade and other services, including customs clearance, commodity inspection, cargo transportation, insurance and foreign exchange transactions. We are ready to provide customers with various high-quality products and fast and convenient services.