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一、试验用钢及试验方法 1.试验用钢:试验用钢为170Cr17Ni2,其化学成分列于表1。经高频感应炉冶炼,浇注成基尔试块并进行退火处理。
First, the test steel and test methods 1 test steel: test steel 170Cr17Ni2, the chemical composition is shown in Table 1. High-frequency induction furnace smelting, pouring into Kiln test block and annealed.