Special Use High-strength Steel Plate,Wear Resistant Steel,Silicon Steel,Cold Heading Steel,Free Cutting Steel,Mold Steel China Suppliers 4340 50mm Alloy Carbon Steel Round BarChina AISI 4340 / 36CrNiMo4 Forged Round Steel China AISI 4340 / 36CrNiMo4 Forged Round Steel Manufacturers Suppliers Price 1 4340 steel introduction AISI 4340 steel is a medium carbon,low alloy steel known for its toughness and strength in relatively large sections.AISI 4340 is also one kind of nickel chromium molybdenum steels.4340 alloy steel is generally supplied hardened and tempered in the tensile range of 930 - 1080 Mpa.China AISI4140 4317 4340 42CrMo4 Scm440 Alloy SteelSteel Sheet,Steel Rod,Steel Bar manufacturer / supplier in China,offering AISI4140 4317 4340 42CrMo4 Scm440 Alloy Steel Round Bar,Steel S235jrg2 1.0038 10025 Sheet or Plate for Project,Steel S235jrg2 1.0038 10025 Bar or Rod for Project and so on.
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