|
1、Chemical Composition（%） |
||||||||||
|
Steel Specification |
C≤ |
Mn≤ |
Si≤ |
S≤ |
P≤ |
Cr |
Ni |
Mo |
Cu≤ |
N |
|
S32750(SAF2507) 00Cr25Ni7Mo4N |
0.03 |
1.2 |
0.8 |
0.02 |
0.035 |
24.0/26.0 |
6.0/8.0 |
3.0/5.0 |
0.5 |
0.24/0.32 |
|
S31803(SAF2205) 00Cr22Ni5Mo3N |
0.03 |
2 |
1 |
0.02 |
0.03 |
21.0/23.0 |
4.5/6.50 |
2.50/3.50 |
|
0.08/0.20 |
|
S31500(3RE60) 00Cr18Ni5Mo3Si2 |
0.03 |
1.2/2.00 |
1.4/2.00 |
0.03 |
0.03 |
18.0/19.0 |
4.25/5.25 |
2.50/3.00 |
|
0.05/0.10 |
|
2、Mechanical Properties |
||||||
|
Items |
Heat Treatment System ℃ |
σb(Mpa)≥ |
σb(Mpa)≥ |
σ%≥ |
Hardness ≤ |
|
|
Steel Specification |
Brucellosis |
Rockwell |
||||
|
S32750(SAF2507) 00Cr25NiMo4N |
1025-1125 |
800 |
550 |
15 |
310 |
32 |
|
Water quenched |
||||||
|
S31803(SAF2205) 00Cr22Ni5Mo3N |
1020-1100 |
620 |
450 |
25 |
290 |
30.5 |
|
Water quenched |
||||||
|
S31500(3RE60) 00Cr18Ni5Mo3Si2 |
980-1040 |
630 |
440 |
30 |
290 |
30.5 |
|
Water quenched |
||||||