21Cr12MoV

21Cr12MoV為鉻鉬(mu)釩馬氏體耐低溫(wen)鋼，有較高的熱密度，比較好的減振性(xing)及組建(jian)動(dong)態平衡性(xing)。

21Cr12MoV對照品種(zhong)： 1、行業規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范GB-T規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：數(shu)值品種(zhong)：S46020、新品種(zhong)：21Cr12MoV、舊(jiu)品種(zhong)：2Cr12MoV2、美標(biao)：ASTMA規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：-，SAE規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：-，UNS規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：-，3、日標(biao)JIS規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：-，4、德(de)標(biao)DIN規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：-,5、國標(biao)EN規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)定(ding)(ding)(ding)(ding)(ding)(ding)規(gui)(gui)(gui)范：-。

21Cr12MoV化學工業營(ying)養成分(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Cr：11.00～12.50 ，⑺鎳Ni：0.30~0.60，⑻鉬(mu)Mo：0.80~1.20，⑼氮(dan)N：—，⑽銅Cu：≤0.3，⑾另外要素：V:0.25~0.35。

21Cr12MoV電磁學耐腐(fu)蝕(shi)性： "①孔隙率孔隙率(20℃)

/kg/dm3:7.7,②沸點/℃: —,③比熱容(0~100℃)/kg/(kg.k): -,④熱導率(lv)/w/(m.k)

100℃-:-,⑸熱導率/w/(m.k)

500℃-:

-,⑥線脹比率

/(10-6/k)

0~100℃:10.9,⑦線脹數值/(10-6/k)

0~612℃:

12.2,⑧阻值率（20℃）

/（Ω.mm2/m):-,⑨橫面延展性模量

（20℃）/GPa:-，⑩磁性:-。

21Cr12MoV力(li)學結構(gou)能: ⑴收貨(huo)壯(zhuang)態：棒材(cai)固(gu)溶(rong)外理(li)(li)，生態板材(cai)固(gu)溶(rong)磷(lin)化處理(li)(li)，⑵拉伸構(gou)造構(gou)造（RM/MPa）：-，⑶廷伸構(gou)造（Rp0.2/MPa）：-，⑷伸展率(lv)A/%：-，⑸縱斷面伸縮率(lv)（Z/%）：-。

21Cr12MoV熱外理：，①強度HBW≤：-，強度HRB≤：-，②加(jia)水熱度：-，③加(jia)水方式(shi)方法：-。

21Cr12MoV用(yong)鄰域：適用(yong)設計(ji)制作透平嫩葉及市場導向嫩葉。