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          4145H Oil Drilling Tool Steel

          4145H Oil Drilling Tool Steel 

          Using electric arc furnace + refining outside the furnace

          Material Grade: 4145 H

          Standard: AISI - American Iron and Steel Institute Standard

          Country: USA

          Steel Group: Structural Steel Subclass: AISI 4145H

          Steel Notes: Chromium-Molybdenum H-Steel

          chemical composition (%)

          element-wise min-max approximation

          C 0.4200 0.4900

          Si 0.1500 0.3500

          Mn 0.6500 1.1000

          P max 0.0350

          S max0.0400

          Cr 0.7500 1.2000

          Mo 0.1500 0.2500

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