GB 712 Grade E40 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade E40 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.

GB 712 Grade F32 is a high grade steel perfect for use in shipbuilding and various other construction projects. It features excellent weldability, good machinability and strength, as well as good corrosion resistance and impact strength.

GB 712 Grade F36 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade F36 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.

GB 712 Grade F40 is a high grade steel perfect for use in shipbuilding and various other construction projects. It features excellent weldability, good machinability and strength, as well as good corrosion resistance and impact strength.

GB 712 Grade EH420 is a high grade steel perfect for use in shipbuilding and various other construction projects. It features excellent weldability, good machinability and strength, as well as good corrosion resistance and impact strength.

GB 712 Grade FH500 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade FH500 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.

GB 712 Grade AH550 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade AH550 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.

GB 712 Grade DH690 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade DH690 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.

GB 712 Grade AH500 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade AH500 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.

GB 712 Grade FH620 is mainly used for shipbuilding and marine engineering structures, as well as some other high tensile strength steels. With good malleability, machinability and welding ability, GB 712 Grade FH620 is commonly used for shipbuilding, construction,building structure,pressure vessel and boiler, automobile, agriculture, railways, bridges and so on.