NIU Jing, DONG Jun-ming, HE Yuan, DONG Wei-peng, XUE Jin. Cold Cracking Sensitivity of Superhigh Strength Steel 30CrMnSiNi2A[J]. Development and Application of Materials, 2006, 21(4): 1-3. DOI: 10.19515/j.cnki.1003-1545.2006.04.001
Citation: NIU Jing, DONG Jun-ming, HE Yuan, DONG Wei-peng, XUE Jin. Cold Cracking Sensitivity of Superhigh Strength Steel 30CrMnSiNi2A[J]. Development and Application of Materials, 2006, 21(4): 1-3. DOI: 10.19515/j.cnki.1003-1545.2006.04.001

Cold Cracking Sensitivity of Superhigh Strength Steel 30CrMnSiNi2A

  • A mass of implant tests on super-high strength steel 30CrMnSiNi2A as-anealed were conducted to investigate the cold cracking of the steel.The results indicate that the bond is the most sensitive region to cold cracking.The sensitivity of cold cracking was greatly moderated by preheating at above 250℃ and it is feasible to evaluate cold cracking sensitivity of super-high strength steel with non-nick sample.
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