收藏词条 编辑词条 中国耐热钢钢号
1 耐热钢棒
按使用加工分压力加工用钢和切削加工用铜两类，按组织特征分为奥氏体型、铁索体型、马氏体型和淀硬化型四类。热轧圆钢，方钢直径或边长不大于250mm，也可制造六角、八角型钢。按热处理或非热处理状态交货。
a 牌号及化学成分见表2．1-142。
|
类型 |
牌号 |
化学成分（质量分数）/% |
||||||||||
|
C≤ |
Si≤ |
Mn≤ |
P≤ |
S≤ |
Cr |
Mo |
Ni |
V |
N |
其他 |
||
|
奥氏体 钢 |
5Cr21Mn9Ni4N |
0.48-0.58 |
0.35 |
8.00-10.00 |
0.04 |
0.03 |
20.00-22.00 |
|
3.25-4.50 |
|
0.35-0.50 |
|
|
2Cr21Ni12N |
0.15-0.28 |
0.75-1.25 |
1.00-1.60 |
0.035 |
0.03 |
20.00-22.00 |
|
10.50-12.50 |
|
0.15-0.30 |
|
|
|
2Cr23Ni13 |
0.2 |
1 |
2 |
0.035 |
0.03 |
22.00-24.00 |
|
12.00-15.00 |
|
|
|
|
|
2Cr25Ni20 |
0.25 |
1.5 |
2 |
0.035 |
0.03 |
24.00-26.00 |
|
19.00-22.00 |
|
|
|
|
|
1Cr16Ni35 |
0.15 |
1.5 |
2 |
0.035 |
0.03 |
14.00-17.00 |
|
33.00-37.00 |
|
|
|
|
|
0Cr15Ni25Ti2MoAlVB |
0.08 |
1 |
2 |
0.035 |
0.03 |
13.50-16.00 |
1.00-1.50 |
24.00-27.00 |
0.10-0.50 |
|
Ti0.9-2.35,Al<0.35 |
|
|
|
|
|
|
|
|
|
|
|
|
|
B0.001-0.010 |
|
|
0Cr18Ni9 |
0.07 |
1 |
2 |
0.035 |
0.03 |
17.00-19.00 |
|
8.00-11.00 |
|
|
|
|
|
0Cr23Ni13 |
0.08 |
1 |
2 |
0.035 |
0.03 |
22.00-24.00 |
|
12.00-15.00 |
|
|
|
|
|
0Cr25Ni20 |
0.08 |
1.5 |
2 |
0.035 |
0.03 |
24.00-26.00 |
|
19.00-22.00 |
|
|
|
|
|
0Cr17Ni12Mo2 |
0.08 |
1 |
2 |
0.035 |
0.03 |
16.00-18.00 |
2.00-3.00 |
10.00-14.00 |
|
|
|
|
|
4Cr14Ni14W2Mo |
0.40-0.50 |
0.8 |
2 |
0.035 |
0.03 |
13.00-15.00 |
0.25-0.40 |
13.00-15.00 |
|
|
W2.00-2.75 |
|
|
3Cr18Mn12Si2N |
0.22-0.30 |
1.40-2.20 |
10.50-12.50 |
0.06 |
0.03 |
17.00-19.00 |
|
|
|
0.22-0.33 |
|
|
|
2Cr20Mn9Ni2Si2N |
0.17-0.26 |
1.80-2.70 |
8.50-11.00 |
0.06 |
0.03 |
18.00-21.00 |
|
2.00-3.00 |
|
0.20-0.30 |
|
|
|
0Cr19Ni13Mo3 |
0.08 |
1 |
2 |
0.035 |
0.03 |
18.00-20.00 |
3.00-4.00 |
11.00-15.00 |
|
|
|
|
|
1Cr18Ni9Ti |
0.12 |
1 |
2 |
0.035 |
0.03 |
17.00-19.00 |
|
8.00-11.00 |
|
|
Ti5*(C%-0.02)-0.80 |
|
|
|
|
|
|
|
|
|
|
|
|
|
Ti≥5*C,Nb≥10*C |
|
|
0Cr18Ni10Ti |
0.08 |
1 |
2 |
0.035 |
0.03 |
17.00-19.00 |
|
9.00-12.00 |
|
|
|
|
|
0Cr18Ni11Nb |
0.08 |
1 |
2 |
0.035 |
0.03 |
17.00-19.00 |
|
9.00-13.00 |
|
|
|
|
|
0Cr18Ni13Si4 |
0.08 |
3.00-5.00 |
2 |
0.035 |
0.03 |
15.00-20.00 |
|
11.50-15.00 |
|
|
|
|
|
1Cr20Ni14Si2 |
0.2 |
1.50-2.50 |
1.5 |
0.035 |
0.03 |
19.00-22.00 |
|
12.00-15.00 |
|
|
|
|
|
1Cr25Ni20Si2 |
0.2 |
1.50-2.50 |
1.5 |
0.035 |
0.03 |
24.00-27.00 |
|
18.00-21.00 |
|
|
|
|
|
铁素体型 |
2Cr25N |
0.2 |
1 |
1.5 |
0.04 |
0.03 |
23.00-27.00 |
|
|
|
≤0.25 |
|
|
0Cr13Al |
0.08 |
1 |
1 |
0.04 |
0.03 |
11.50-14.50 |
|
|
|
|
Al0.10-0.30 |
|
|
00Cr12 |
0.03 |
1 |
1 |
0.04 |
0.03 |
11.00-13.00 |
|
|
|
|
|
|
|
1Cr17 |
0.12 |
0.75 |
1 |
0.04 |
0.03 |
16.00-18.00 |
|
|
|
|
|
|
|
马氏体型 |
1Cr5Mo |
0.15 |
0.5 |
0.6 |
0.035 |
0.03 |
4.00-6.00 |
0.45-0.60 |
≤0.60 |
|
|
|
|
4Cr9Si2 |
0.35-0.50 |
2.00-3.00 |
0.7 |
0.035 |
0.03 |
8.00-10.00 |
|
≤0.60 |
|
|
|
|
|
4Cr10Si2Mo |
0.35-0.45 |
1.90-2.60 |
0.7 |
0.035 |
0.03 |
9.00-10.50 |
0.70-0.90 |
≤0.60 |
|
|
|
|
|
8Cr20Si2Ni |
0.75-0.85 |
1.75-2.25 |
0.20-0.60 |
0.03 |
0.03 |
19.00-20.50 |
|
1.15-1.65 |
|
|
|
|
|
1Cr11MoV |
0.11-0.18 |
0.5 |
0.6 |
0.035 |
0.03 |
10.00-11.50 |
0.50-0.70 |
≤0.60 |
0.25-0.40 |
|
|
|
|
1Cr12Mo |
0.10-0.15 |
0.5 |
0.30-0.50 |
0.035 |
0.03 |
11.50-13.00 |
0.30-0.60 |
0.30-0.60 |
|
|
|
|
|
2Cr12MoVNbN |
0.15-0.20 |
0.5 |
0.50-1.00 |
0.035 |
0.03 |
10.00-13.00 |
0.30-0.90 |
|
0.10-0.40 |
0.05-0.10 |
Nb0.20-0.60 |
|
|
1Cr12WMoV |
0.12-0.18 |
0.5 |
0.50-0.90 |
0.035 |
0.03 |
11.00-13.00 |
0.50-0.70 |
0.40-0.80 |
0.18-0.30 |
|
W0.70-1.10 |
|
|
2Cr12NiMoWv |
0.20-0.25 |
0.5 |
0.50-1.00 |
0.035 |
0.03 |
11.00-13.00 |
0.75-1.25 |
0.50-1.00 |
0.20-0.40 |
|
W0.70-1.25 |
|
|
1Cr13 |
0.15 |
1 |
1 |
0.035 |
0.03 |
11.50-13.50 |
|
|
|
|
|
|
|
1Cr13Mo |
0.08-0.18 |
0.6 |
1 |
0.035 |
0.03 |
11.50-14.00 |
|
|
|
|
|
|
|
2Cr13 |
0.16-0.25 |
1 |
1 |
0.035 |
0.03 |
12.00-14.00 |
|
|
|
|
|
|
|
1Cr17Ni2 |
0.11-0.17 |
0.8 |
0.8 |
0.035 |
0.03 |
16.00-18.00 |
|
1.50-2.50 |
|
|
|
|
|
1Cr11Ni2W2MoV |
0.10-0.16 |
0.6 |
0.6 |
0.035 |
0.03 |
10.50-12.00 |
0.35-0.50 |
1.40-1.80 |
0.18-0.30 |
|
W1.50-2.00 |
|
|
沉淀 硬化型 |
0Cr17Ni4Cu4Nb |
0.07 |
1 |
1 |
0.035 |
0.03 |
15.50-17.50 |
|
3.00-5.00 |
|
|
Cu3.00-5.00 Nb0.15-0.45 |
|
|
|
|
|
|
|
|
|
|||||
|
0Cr17Ni7Al |
0.09 |
1 |
1 |
0.035 |
0.03 |
16.00-18.00 |
|
6.50-7.75 |
|
Cu≤0.50 Al0.75-1.50 |
||
b．力学性能见表2．1-143
表2．1-143(1)
|
类型 |
牌号 |
热处理温度/℃ |
拉伸试验 |
冲击试验 |
硬度试验 |
||||||
|
σp0.2 / MPa≥ |
σb /Mpa ≥ |
δ5/%≥ |
ψ/%≥ |
Ak/J≥ |
HB≤ |
HRB |
HV |
||||
|
|
|
||||||||||
|
奥氏体 型钢 |
5Cr21Mn9Ni4N |
固溶1100-1200快冷，时效730-780空冷 |
560 |
885 |
8 |
|
|
≥302 |
|||
|
2Cr21Ni12N |
固溶1050-1150快冷，时效750-800空冷 |
430 |
820 |
26 |
20 |
269 |
|||||
|
2Cr23Ni13 |
固溶1030-1150快冷 |
205 |
560 |
45 |
50 |
201 |
|||||
|
2Cr25Ni20 |
固溶1030-1180快冷 |
205 |
590 |
40 |
50 |
201 |
|||||
|
1Cr16Ni35 |
固溶1030-1180快冷 |
205 |
560 |
40 |
50 |
201 |
|||||
|
0Cr15Ni25Ti2MoAlVB |
固溶885-915或965-995快冷 时效700-760，16h空冷或缓冷 |
590 |
900 |
15 |
18 |
≥248 |
|||||
|
0Cr18Ni9 |
固溶1010-1150快冷 |
205 |
520 |
40 |
60 |
187 |
|||||
|
0Cr23Ni13 |
固溶1030-1150快冷 |
205 |
520 |
40 |
60 |
187 |
|||||
|
0Cr25Ni20 |
固溶1030-1180快冷 |
205 |
520 |
40 |
60 |
187 |
|||||
|
0Cr17Ni12Mo2 |
固溶1010-1150快冷 |
205 |
520 |
40 |
60 |
187 |
|||||
|
4Cr14Ni14W2Mo |
退火820-850快冷 |
315 |
705 |
20 |
35 |
248 |
|||||
|
3Cr18Mn12Si2N |
固溶1100-1150快冷 |
390 |
685 |
35 |
45 |
248 |
|||||
|
2Cr20Mn9Ni2Si2N |
固溶1100-1150快冷 |
390 |
685 |
35 |
45 |
248 |
|||||
|
0Cr19Ni13Mo3 |
固溶1010-1150快冷 |
205 |
540 |
40 |
60 |
187 |
|||||
|
1Cr18Ni9Ti |
固溶920-1150快冷 |
205 |
520 |
40 |
50 |
187 |
|||||
|
0Cr18Ni10Ti |
固溶920-1150快冷 |
205 |
520 |
40 |
50 |
187 |
|||||
|
0Cr18Ni11Nb |
固溶980-1150快冷 |
205 |
520 |
40 |
50 |
187 |
|||||
|
0Cr18Ni13Si4 |
固溶1010-1150快冷 |
205 |
520 |
40 |
50 |
207 |
|||||
|
1Cr20Ni14Si2 |
固溶1080-1130快冷 |
295 |
590 |
35 |
50 |
187 |
|||||
|
1Cr25Ni20Si2 |
固溶1080-1130快冷 |
295 |
590 |
35 |
50 |
187 |
|||||
|
铁素体 型钢 |
2Cr25N |
退火780-880快冷 |
275 |
510 |
20 |
40 |
201 |
||||
|
0Cr13Al |
退火780-830空冷或缓冷 |
177 |
410 |
20 |
60 |
≥183 |
|||||
|
00Cr12 |
退火700-820空冷或缓冷 |
196 |
365 |
22 |
60 |
≥183 |
|||||
|
1Cr17 |
退火780-850空冷或缓冷 |
205 |
450 |
22 |
50 |
≥183 |
|||||
表2．1-143(2)
|
类型 |
牌号 |
热处理 |
退火后的 硬度HB≤ |
经淬回火的力学性能 |
|||||||||
|
拉伸试验 |
冲击试验 |
硬度试验 |
|||||||||||
|
退火温度℃ |
淬火温度℃ |
回火温度℃ |
σp0.2/ Mpa≥ |
σb/Mpa ≥ |
δ5/% ≥ |
ψ/% ≥ |
Ak/J ≥ |
HB |
HRC |
HV |
|||
|
马氏体 型钢 |
1Cr5Mo |
|
900-950油冷 |
600-700空冷 |
200 |
390 |
590 |
18 |
|
|
|
|
|
|
4Cr9Si2 |
|
1020-1040油冷 |
700-780油冷 |
269 |
590 |
885 |
19 |
50 |
|
|
|||
|
4Cr10Si2Mo |
|
1010-1040油冷 |
120-160空冷 |
269 |
685 |
885 |
10 |
35 |
|
|
|||
|
8Cr20Si2Ni |
800-900缓冷 或720空冷 |
1030-1080油冷 |
100-180快冷 |
321 |
685 |
885 |
10 |
15 |
8 |
≥262 |
|||
|
1Cr11MoV |
|
1050-1100油冷 |
720-740空冷 |
200 |
490 |
685 |
16 |
55 |
47 |
|
|||
|
1Cr12Mo |
800-900缓冷 或750快冷 |
950-1000油冷 |
700-750快冷 |
255 |
550 |
685 |
18 |
60 |
78 |
217-248 |
|||
|
2Cr12MoVNbN |
850-950缓冷 |
1100-1170油冷或空冷 |
600以上空冷 |
269 |
685 |
835 |
15 |
30 |
|
≤321 |
|||
|
1Cr12WMoV |
|
1000-1050油冷 |
680-700空冷 |
|
585 |
735 |
15 |
45 |
47 |
|
|||
|
2Cr12NiMoWV |
830-900缓冷 |
1020-1070油冷或空冷 |
600以上空冷 |
269 |
735 |
885 |
10 |
25 |
|
|
|||
|
|
|
||||||||||||
|
1Cr13 |
800-900缓冷 或750快冷 |
950-1000油冷 |
700-750快冷 |
200 |
345 |
540 |
25 |
55 |
78 |
≥159 |
|||
|
1Cr13Mo |
800-900缓冷 或750快冷 |
970-1020油冷 |
650-750快冷 |
200 |
490 |
685 |
20 |
60 |
78 |
≥192 |
|||
|
2Cr13 |
800-900缓冷 或750快冷 |
920-980油冷 |
600-750快冷 |
223 |
440 |
635 |
20 |
50 |
63 |
≥192 |
|||
|
1Cr17Ni12 |
|
950-1050油冷 |
275-350空冷 |
285 |
|
1080 |
10 |
|
39 |
|
|||
|
1Cr11Ni2W2MoV |
|
1组1000-1020正火 1000-1020油冷或空冷 2组1000-1020正火 1000-1020油冷或空冷 |
660-710油冷 或空冷 540-600油冷 或空冷 |
269 |
735 |
885 |
15 |
55 |
71 |
269-321 |
|||
|
885 |
1080 |
12 |
50 |
55 |
311-388 |
||||||||
表2．1-143(3)
|
类型 |
牌号 |
热处理 |
拉伸试验 |
冲击试验 |
硬度试验 |
||||||
|
种类 |
条件 |
σp0.2 / Mpa≥ |
σb/Mpa ≥ |
δ5/% ≥ |
ψ/% ≥ |
Ak/J ≥ |
HB |
HRC |
HV |
||
|
沉淀硬化型钢 |
0Cr17Ni14Cu4Nb |
固溶 |
1020-1060快冷 |
|
|
|
|
|
≤363 |
≤38 |
|
|
480时效 |
经固溶处理后，470-490空冷 |
1180 |
1310 |
10 |
40 |
≥375 |
≥40 |
||||
|
550时效 |
经固溶处理后，540-560空冷 |
1000 |
1060 |
12 |
45 |
≥331 |
≥35 |
||||
|
580时效 |
经固溶处理后，570-590空冷 |
865 |
1000 |
13 |
45 |
≥302 |
≥31 |
||||
|
620时效 |
经固溶处理后，610-630空冷 |
725 |
930 |
16 |
50 |
≥277 |
≥28 |
||||
|
固溶 |
1000-1100快冷 |
380 |
1030 |
20 |
|
≤229 |
|
||||
|
565时效 |
经固溶处理后，760±15保持90 min，在1h冷却到15以下，保持 30min，加热到565±10保持70min 空冷 |
960 |
1140 |
5 |
25 |
≥363 |
|||||
|
0Cr17Ni7Al |
510时效 |
经固溶处理后，955±10保持10min 空冷到室温，24h内冷却到-73±6 保持8h，再加热到510±10，保持 60min后空冷 |
1030 |
1230 |
4 |
10 |
≥388 |
||||
c．其他检验项目：低倍组织中的一般疏松、中心疏松和偏析2～3级合格；顶锻用钢进行热顶锻试验，热顶锻后试样高度为原试样高度1／3，试样不得有裂口和裂缝。