Texnik ma'lumotlar
Kimyoviy tarkibi
| Guruh |
Baho |
Turi |
C |
Mn |
Mo |
Cr |
Ni maks. |
Cu maks. |
P maks. |
S maks. |
Si maks. |
| min. |
maks. |
min. |
maks. |
min. |
maks. |
min. |
maks. |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
15 |
16 |
| 1 |
H40 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
- |
| J55 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
- |
| K55 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
- |
| N80 |
1 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
- |
| N80 |
Q |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
- |
| R95 |
- |
- |
0,45 c |
- |
1.9 |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
0.45 |
| 2 |
M65 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0.03 |
0.03 |
- |
| |
L80 |
1 |
- |
0,43 a |
- |
1.9 |
- |
- |
- |
- |
0.25 |
0.35 |
0.03 |
0.03 |
0.45 |
| |
L80 |
9Cr |
- |
0.15 |
0.3 |
0.6 |
0.9 |
1.1 |
8 |
10 |
0.5 |
0.25 |
0.02 |
0.01 |
1 |
| |
L80 |
13Cr |
0.15 |
0.22 |
0.25 |
1 |
- |
- |
12 |
14 |
0.5 |
0.25 |
0.02 |
0.01 |
1 |
| |
C90 |
1 |
- |
0.35 |
- |
1.2 |
0,25 b |
0.85 |
- |
1.5 |
0.99 |
- |
0.02 |
0.01 |
- |
| |
T95 |
1 |
- |
0.35 |
- |
1.2 |
0,25 d |
0.85 |
0.4 |
1.5 |
0.99 |
- |
0.02 |
0.01 |
- |
| |
C110 |
- |
- |
0.35 |
- |
1.2 |
0.25 |
1 |
0.4 |
1.5 |
0.99 |
- |
0.02 |
0.005 |
- |
| 3 |
P110 |
e |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
0,030 e |
0,030 e |
- |
| 4 |
125-savol |
1 |
- |
0.35 |
|
1.35 |
- |
0.85 |
- |
1.5 |
0.99 |
- |
0.02 |
0.01 |
- |
a L80 uchun uglerod miqdori, agar mahsulot moy bilan o'chirilgan bo'lsa, maksimal 0,50% gacha oshirilishi mumkin.
b 1-toifa C90 uchun molibden miqdori devor qalinligi 17,78 mm dan kam bo'lsa, minimal bardoshlik yo'q.
c R95 uchun uglerod miqdori, agar mahsulot moy bilan o'chirilgan bo'lsa, maksimal 0,55% gacha oshirilishi mumkin.
d T95 1-toifa uchun molibden miqdori devor qalinligi 17,78 mm dan kam bo'lsa, minimal 0,15% gacha kamaytirilishi mumkin.
e EW darajasi P110 uchun fosfor miqdori maksimal 0,020% va oltingugurt miqdori maksimal 0,010% bo'lishi kerak.
NL = chegara yo'q. Ko'rsatilgan elementlar mahsulot tahlilida ko'rsatilishi kerak.
Kuchlanish va qattiqlik talablari
| Guruh |
Baho |
Turi |
Yuklanish ostida umumiy cho'zilish % |
Oqim kuchi MPa |
Kuchlanish kuchi min. MPa |
Qattiqlik maks. |
Belgilangan devor qalinligi mm |
Ruxsat etilgan qattiqlik o'zgarishi b HRC |
| min. |
maks. |
|
HRC |
HBW |
| 1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
| 1 |
H40 |
- |
0.5 |
276 |
552 |
414 |
- |
- |
- |
- |
| J55 |
- |
0.5 |
379 |
552 |
517 |
- |
- |
- |
- |
| K55 |
- |
0.5 |
379 |
552 |
655 |
- |
- |
- |
- |
| N80 |
1 |
0.5 |
552 |
758 |
689 |
- |
- |
- |
- |
| N80 |
Q |
0.5 |
552 |
758 |
689 |
- |
- |
- |
- |
| R95 |
- |
0.5 |
655 |
758 |
724 |
- |
- |
- |
- |
| 2 |
M65 |
- |
0.5 |
448 |
586 |
586 |
22 |
235 |
- |
- |
| L80 |
1 |
0.5 |
552 |
655 |
655 |
23 |
241 |
- |
- |
| L80 |
9Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
- |
- |
| L80 |
13Cr |
0.5 |
552 |
655 |
655 |
23 |
241 |
- |
- |
| C90 |
1 |
0.5 |
621 |
724 |
689 |
25.4 |
255 |
≤ 12,70 12,71 dan 19,04 gacha 19,05 dan 25,39 gacha ≥ 25,40 |
3.0 4.0 5.0 6.0 |
| T95 |
1 |
0.5 |
655 |
758 |
724 |
25.4 |
255 |
≤ 12,70 12,71 dan 19,04 gacha 19,05 dan 25,39 gacha ≥ 25,40 |
3.0 4.0 5.0 6.0 |
| C110 |
- |
0.7 |
758 |
828 |
793 |
30 |
286 |
≤ 12,70 12,71 dan 19,04 gacha 19,05 dan 25,39 gacha. ≥ 25,40 |
3.0 4.0 5.0 6.0 |
| 3 |
P110 |
- |
0.6 |
758 |
965 |
862 |
- |
- |
- |
- |
| 4 |
125-savol |
1 |
0.65 |
862 |
1034 |
931 |
b |
- |
≤ 12,70 12,71 - 19,04 ≥ 19,05 |
3.0 4.0 5.0 |
a Munozarali holatlarda hakamlik usuli sifatida Rockwell C laboratoriyasining qattiqlik sinovidan foydalaniladi.
b Hech qanday qattiqlik chegarasi belgilanmagan, lekin maksimal oʻzgarish API Spec 7.8 va 7.9 ga muvofiq ishlab chiqarish nazorati sifatida cheklangan. 5CT.