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armeniaarmeniaChina Manufacturer 40mnvb Round Bar With Low Price armeniaarmeniaGB 3077 20MnVB steel - Shanghai Katalor Enterprises Co.,Ltd

GB 3077 20MnVB grade is a Chinese grade alloy structural steel.The 20MnVB material density is 7.85 g/cm³.GB 20MnVB alloy steel is produced in hot rolled and forged alloy steel bars which are not more than 250mm of nominal diameter or thickness.