无锡五创金属长期提供17-4PH不锈钢,无锡17-4PH不锈钢
●17-4PH力学性能：,　　抗拉强度,σb,(MPa)：480℃时效,≥1310,,550℃时效,≥1060,,580℃时效,≥1000,,620℃时效,≥930,　　条件屈服强度,σ ,(MPa)：480℃时效,≥1180,550℃时效,≥1000,580℃时效,≥865,620℃时效,≥725,　　伸长率,δ5,(％)：480℃时效,≥10,550℃时效,≥12,580℃时效,≥13,620℃时效,≥16,　　断面收缩率,ψ,(％)：480℃时效,≥40,550℃时效,≥45,580℃时效,≥45,620℃时效,≥50,　　硬度,：固溶,≤363HB和≤38HRC,480℃时效,≥375HB和≥40HRC,,550℃时效,≥331HB和≥35HRC,580℃时效,≥302HB和≥31HRC,620℃时效,≥277HB和≥28HRC