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经固溶处理的奥氏体型钢棒或试样的力学性能①(GB/T 1220—2007) |
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GB/T 20878 中序号 |
统一数字 代号 |
新牌号 |
旧牌号 |
规定非比例 延伸强度 Rp0.2②/(N/mm2) |
抗拉强度 Rm/(N/mm2) |
断后 伸长率 A/% |
断面 收缩率 Z③/% |
硬度值② |
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|
HBW |
HRB |
HV |
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|
不小于 |
不大于 |
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|
1 |
S35350 |
12Cr17Mn6Ni5N |
1Cr17Mn6Ni5N |
275 |
520 |
40 |
45 |
241 |
100 |
253 |
|
3 |
S35450 |
12Cr18Mn9Ni5N |
1Cr18Mn8Ni5N |
275 |
520 |
40 |
45 |
207 |
95 |
218 |
|
9 |
S30110 |
12Cr17Ni7 |
1Cr17Ni7 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
13 |
S30210 |
12Cr18Ni9 |
1Cr18Ni9 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
15 |
S30317 |
Y12Cr18Ni9 |
Y1Cr18Ni9 |
205 |
520 |
40 |
50 |
187 |
90 |
200 |
|
16 |
S30327 |
Y12Cr18Ni9Se |
Y1Cr18Ni9Se |
205 |
520 |
40 |
50 |
187 |
90 |
200 |
|
17 |
S30408 |
06Cr19Ni10 |
0Cr18Ni9 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
18 |
S30403 |
022Cr19Ni10 |
00Cr19Ni10 |
175 |
480 |
40 |
60 |
187 |
90 |
200 |
|
22 |
S30488 |
06Cr18Ni9Cu3 |
0Cr18Ni9Cu3 |
175 |
480 |
40 |
60 |
187 |
90 |
200 |
|
23 |
S30458 |
06Cr19Ni10N |
0Cr19Ni9N |
275 |
550 |
35 |
50 |
217 |
95 |
220 |
|
24 |
S30478 |
06Cr19Ni9NbN |
0Cr19Ni10NbN |
345 |
685 |
35 |
50 |
250 |
100 |
260 |
|
25 |
S30453 |
022Cr19Ni10N |
00Cr18Ni10N |
245 |
550 |
40 |
50 |
217 |
95 |
220 |
|
26 |
S30510 |
10Cr18Ni12 |
1Cr18Ni12 |
175 |
480 |
40 |
60 |
187 |
90 |
200 |
|
32 |
S30908 |
06Cr23Ni13 |
0Cr23Ni13 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
35 |
S31008 |
06Cr25Ni20 |
0Cr25Ni20 |
205 |
520 |
40 |
50 |
187 |
90 |
200 |
|
38 |
S31608 |
06Cr17Ni12Mo2 |
0Cr17Ni12Mo2 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
39 |
S31603 |
022Cr17Ni12Mo2 |
00Cr17Ni14Mo2 |
175 |
480 |
40 |
60 |
187 |
90 |
200 |
|
41 |
S31668 |
06Cr17Ni12Mo2Ti |
0Cr18Ni12Mo3Ti |
205 |
530 |
40 |
55 |
187 |
90 |
200 |
|
43 |
S31658 |
06Cr17Ni12Mo2N |
0Cr17Ni12Mo2N |
275 |
550 |
35 |
50 |
217 |
95 |
220 |
|
44 |
S31653 |
022Cr17Ni12Mo2N |
00Cr17Ni13Mo2N |
245 |
550 |
40 |
50 |
217 |
95 |
220 |
|
45 |
S31688 |
06Cr18Ni12Mo2Cu2 |
0Cr18Ni12Mo2Cu2 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
46 |
S31683 |
022Cr18Ni14Mo2Cu2 |
00Cr18Ni14Mo2Cu2 |
175 |
480 |
40 |
60 |
187 |
90 |
200 |
|
49 |
S31708 |
06Cr19Ni13Mo3 |
0Cr19Ni13Mo3 |
205 |
520 |
40 |
60 |
187 |
90 |
200 |
|
50 |
S31703 |
022Cr19Ni13Mo3 |
00Cr19Ni13Mo3 |
175 |
480 |
40 |
60 |
187 |
90 |
200 |
|
52 |
S31794 |
03Cr18Ni16Mo5 |
0Cr18Ni16Mo5 |
175 |
480 |
40 |
45 |
187 |
90 |
200 |
|
55 |
S32168 |
06Cr18Ni11Ti |
0Cr18Ni10Ti |
205 |
520 |
40 |
50 |
187 |
90 |
200 |
|
62 |
S34778 |
06Cr18Ni11Nb |
0Cr18Ni11Nb |
205 |
520 |
40 |
50 |
187 |
90 |
200 |
|
64 |
S38148 |
06Cr18Ni13Si4 |
0Cr18Ni13Si4 |
205 |
520 |
40 |
60 |
207 |
95 |
218 |
|
注:① 本表仅适用于直径、边长、厚度或对边距离小于或等于180 mm的钢棒。大于180 mm的钢棒,可改锻成180 mm的样坯检验,或由供需双方协商,规定允许降低其力学性能的数值。 ② 规定非比例延伸强度和硬度,仅当需方要求时(合同中注明)才进行测定,且供方可根据钢棒的尺寸或状态任选一种方法测定硬度。 ③ 扁钢不适用,但需方要求时,由供需双方协商。 |
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