21Cr12MoV
21Cr12MoV為鉻(ge)鉬釩(fan)馬氏體(ti)耐低溫鋼,有較高的(de)(de)熱(re)力度,順暢的(de)(de)減振性及安排(pai)動(dong)態平衡性。
21Cr12MoV對照鋼(gang)種: 1、國家的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)GB-T的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):阿拉伯(bo)數字鋼(gang)種:S46020、新(xin)鋼(gang)種:21Cr12MoV、舊鋼(gang)種:2Cr12MoV2、美標(biao):ASTMA的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):-,SAE的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):-,UNS的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):-,3、日標(biao)JIS的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):-,4、德標(biao)DIN的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):-,5、en標(biao)準化EN的(de)規(gui)范(fan)(fan)(fan)基(ji)(ji)(ji)準單(dan)(dan)(dan)(dan)位(wei)(wei)(wei)單(dan)(dan)(dan)(dan)位(wei)(wei)(wei):-。
21Cr12MoV藥劑學精分(fen):⑴碳C:0.18~0.24,⑵硅Si:0.10~0.50,⑶錳Mn:0.30~0.80,⑷磷P:≤0.030,⑸硫S:≤0.025,⑹鉻(ge)Cr:11.00~12.50 ,⑺鎳Ni:0.30~0.60,⑻鉬Mo:0.80~1.20,⑼氮N:—,⑽銅Cu:≤0.3,⑾所有種(zhong)元(yuan)素:V:0.25~0.35。
21Cr12MoV物理性(xing)功效: "①強(qiang)度(du)強(qiang)度(du)(20℃)
/kg/dm3:7.7,②溶點/℃: —,③比熱容(0~100℃)/kg/(kg.k): -,④熱導率(lv)/w/(m.k)
100℃-:-,⑸熱導(dao)率/w/(m.k)
500℃-:
-,⑥線脹數值
/(10-6/k)
0~100℃:10.9,⑦線脹比(bi)率(lv)/(10-6/k)
0~612℃:
12.2,⑧內(nei)阻率(20℃)
/(Ω.mm2/m):-,⑨豎向優質的(de)配置(zhi)模量
(20℃)/GPa:-,⑩磁性:-。
21Cr12MoV流(liu)體力學的性能: ⑴發貨環境:棒材固(gu)溶外理,裝修板材固(gu)溶鈍化處理,⑵拉伸(shen)密(mi)(mi)度密(mi)(mi)度(RM/MPa):-,⑶拓展(zhan)密(mi)(mi)度(Rp0.2/MPa):-,⑷伸(shen)展(zhan)率(lv)A/%:-,⑸坡面抽縮率(lv)(Z/%):-。
21Cr12MoV熱(re)正確處理:,①硬性HBW≤:-,硬性HRB≤:-,②加熱(re)溫濕度:-,③加熱(re)方式英文:-。
21Cr12MoV采用領(ling)域:廣(guang)泛用于設(she)計制(zhi)作透平葉輪及(ji)結(jie)果導(dao)向葉輪。