21Cr12MoV

21Cr12MoV為鉻鉬釩馬氏體耐熱性鋼，有(you)較高的熱密(mi)度，優良(liang)的減振(zhen)性及聚集(ji)動態平衡性。

21Cr12MoV相關聯(lian)鋼(gang)(gang)材(cai)型(xing)號(hao)： 1、行業的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)GB-T的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：自然數鋼(gang)(gang)材(cai)型(xing)號(hao)：S46020、新鋼(gang)(gang)材(cai)型(xing)號(hao)：21Cr12MoV、舊鋼(gang)(gang)材(cai)型(xing)號(hao)：2Cr12MoV2、美標：ASTMA的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：-，SAE的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：-，UNS的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：-，3、日標JIS的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：-，4、德標DIN的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：-,5、德國細則(ze)EN的(de)(de)(de)條(tiao)件(jian)(jian)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)單(dan)(dan)(dan)(dan)(dan)(dan)(dan)(dan)位(wei)(wei)(wei)(wei)：-。

21Cr12MoV電化學精(jing)分：⑴碳C：0.18~0.24，⑵硅Si：0.10~0.50，⑶錳Mn：0.30~0.80，⑷磷(lin)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N：—，⑽銅(tong)Cu：≤0.3，⑾一些要素(su)：V:0.25~0.35。

21Cr12MoV物理(li)防御(yu)耐腐蝕(shi)性： "①相(xiang)對比熱容(rong)相(xiang)對比熱容(rong)(20℃)

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

100℃-:-,⑸熱導率/w/(m.k)

500℃-:

-,⑥線脹因子

/(10-6/k)

0~100℃:10.9,⑦線脹數值/(10-6/k)

0~612℃:

12.2,⑧電阻值(zhi)率(lv)（20℃）

/（Ω.mm2/m):-,⑨豎(shu)向伸縮(suo)性(xing)模量

（20℃）/GPa:-，⑩磁(ci)性:-。

21Cr12MoV運動學穩(wen)定性: ⑴交付的(de)情形：棒(bang)材(cai)固(gu)溶除理，木板(ban)固(gu)溶酸(suan)處理，⑵抗拉能力(li)構造（RM/MPa）：-，⑶蔓延構造（Rp0.2/MPa）：-，⑷長(chang)度率A/%：-，⑸橫斷(duan)面拉伸率（Z/%）：-。

21Cr12MoV熱加工處(chu)理：，①硬性(xing)(xing)HBW≤：-，硬性(xing)(xing)HRB≤：-，②熱處(chu)理煮(zhu)沸濕度：-，③熱處(chu)理煮(zhu)沸行為(wei)：-。

21Cr12MoV適用范圍行業(ye)：應用于制作方法透(tou)平葉面及導(dao)識葉面。