AISI4140
High Tensile Steel, AISI 4140, SCM440, 42CrMo4, ASSAB 709, 7225, EN19, SCM4. AISI 4140 Steel Bar, Steel Plate, Block Supplier, Stockist and Exporter. steel AISI 4140QT is a 1% chromium molybdenum medium hardenability general purpose high tensile steel, generally supplied hardened and tempered in the tensile range of 850 – 1000 Mpa (condition QT).
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