30CrMnSiA is a high-quality medium carbon alloy steel suitable for quenching and tempering. Adding manganese and silicon significantly improves toughness and harden capability.
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After cold drawing and quenching & tempering, the tubes have high strength, superior wear resistance, excellent processability, small process deformation and good fatigue resistance. The mechanical properties is comparable with 4130 4140 QT tubes. http://www.dingxinsteeltube.co....m/tube-for-mining-an
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