(6)compared with 650 c test temperature,TP304H stainless steel tube also exports intergranual fracture characteristics at 700 c under lower stress test conditions,but the撕裂脊between intergranual fracture zones are significantly reduced,and the fracture surfaces show clear顆粒狀輪廓,表明材料在700℃低應力試驗條件下塑性較小。性價值。