55NiCrMoV7 is belongs to Alloy tool steel under the Chinese standard of GB/T 1299-2000 , it mainly add the chromium, molybdenum, tungsten, vanadium and other alloying elements to improve the harden ability and toughness in carbon tool steel .
BV EH40 shipbuilding steel plate is a kind of hot rolled high tensile strength steel. Higher-strength BV shipbuilding steel comes in 12 grades of 3 strengths, DH40 is one of the grades.
ASTM A242 Type 2 steel plate have many users in the world. The ASTM A242 Type 2 steel plate can be made into pipeline. We export a large mount of ASTM A242 Type 2 steel plateevery year to our users of ASTM A242 Type 2 steel plate
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