... , EH32, AH36, DH36, EH36, AH40, DH40, EH40, 2H Grade 50Alloy Structural Steel Plate: Standard: Special ConditionGrade: 50Mn2V, 15CrMo, 20Mn2, 40Mn2, 20MnSi, 20CrMo ... test for pipelines steel plates are also available. We also supply special specification steel plates as customers' requirement. Automobile structure steel plate St37-2G ...