【摘要】 对NF709钢焊接接头的常温力学性能、高温瞬时拉伸性能及高温持久性能进行了试验。结果表明:焊接接头的常温、高温力学性能均满足标准的规定。更多还原

【Abstract】 Finish the tests of mechanical properties at ambient temperature,high-temperature tensile properties and creep rupture properties at elevated temperature for NF709 welded joints.The test results indicate that mechnical properties at room and elevated temperature meet the standard specification.更多还原