UZ 10297-1 Choksiz qotishma mexanik quvur
EN 109207-1 tomonidan qoplanadigan 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4, 36CrNiMo4, 30CrNiMo4, 41NiCrMo7-3-2 po'lat navlari o'rtacha umumiy maqsadli C sinfiga ega. Issiqlik bilan ishlov berish opsiyalari tomonidan taqdim etilgan moslashuvchanlik unga bir qator qattiqlik va quvvat qiymatlariga erishish imkonini beradi. Yaxshi qattiqlashuv, kuch, aşınma qarshilik, qattiqlik va egiluvchanlik. Mashina va zavod qurilishidagi qismlar uchun issiqlik bilan ishlov beriladigan po'lat, o'q jurnallari, tishli g'ildiraklar kabi yuqori chidamlilikka ega avtomobil va samolyot komponentlari, kompressorlar, turbinalar, og'ir er va er osti uskunalarining ishchi elementlari, qishloq xo'jaligi mashinalarining qismlari.
UZ 10297-1 Choksiz quvur hajmi:
OD: 26.9-610mm
WT: 2.3-100mm
Uzunlik: 3000-12000mm
Darajasi: EN 109207-1 tomonidan qoplanadigan 41Cr4, 25CrMo4, 30CrMo4, 34CrMo4, 42CrMo4, 36CrNiMo4, 30CrNiMo4, 41NiCrMo7-3-2
(1) Kimyoviy tarkibi:
|
Chelik darajasi |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Ala |
Cu |
N |
Nb |
Ti |
V |
||||||
|
Min. |
Maks. |
Min. |
Maks. |
Min. |
Maks. |
Maks. |
Maks. |
Maks. |
Min. |
Maks. |
Min. |
Maks. |
Min. |
Maks. |
Maks. |
Maks. |
Maks. |
Min. |
Maks. |
|
|
E275K2 |
- |
0.20 |
- |
0.40 |
0.50 |
1.40 |
0.030 |
0.030 |
0.30 |
- |
0.10 |
- |
0.30 |
0.020 |
0.35 |
0.015 |
0.05 |
0.03 |
- |
0.05 |
|
E355K2 |
- |
0.20 |
- |
0.50 |
090 |
1.65 |
0.030 |
0.030 |
0.30 |
- |
0.10 |
- |
0.50 |
0.020 |
0.35 |
0.015 |
0.05 |
0.05 |
- |
0.15 |
|
E420K2 |
0.16 |
0.22 |
0.10 |
0.50 |
1.30 |
1.70 |
0.030 |
0.035 |
0.30 |
- |
0.08 |
- |
0.40 |
0.010 |
0.30 |
0.020 |
0.07b |
0.05 |
0.08 |
0.15b |
|
E460K2 |
- |
0.20 |
- |
0.60 |
1.00 |
1.70 |
0.030 |
0.030 |
0.30 |
- |
0.10 |
- |
0.80 |
0.020 |
0.70 |
0.025 |
0.05b |
0.05 |
- |
0.20b |
|
E590K2 |
0.16 |
0.22 |
0.10 |
0.50 |
1.30 |
1.70 |
0.030 |
0.035 |
0.30 |
- |
0.08 |
- |
0.40 |
0.010 |
0.30 |
0.020 |
0.07b |
0.05 |
0.08 |
0.15b |
|
E730K2 |
- |
0.20 |
- |
0.50 |
1.40 |
1.70 |
0.025 |
0.025 |
0.30 |
0.30 |
0.45 |
0.30 |
0.70 |
0.020 |
0.20 |
0.020 |
0.02 |
0.05 |
- |
0.12 |
|
Chelik darajasi |
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Cu |
|||||||||||
|
Min. |
Maks. |
Min. |
Maks. |
Min. |
Maks. |
Maks. |
Maks. |
Min. |
Maks. |
Min. |
Maks. |
Min. |
Maks. |
Maks. |
||||||
|
41Cr4 |
0.38 |
0.45 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
- |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
25CrMo4 |
0.22 |
0.29 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
30CrMo4 |
0.27 |
0.34 |
- |
0.35 |
0.35 |
0.60 |
0.035 |
0.035 |
0.80 |
1.15 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
34CrMo4 |
0.30 |
0.37 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
42CrMo4 |
0.38 |
0.45 |
- |
0.40 |
0.60 |
0.90 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
- |
- |
- |
- |
- |
- |
- |
- |
|
36CrNiMo4 |
0.32 |
0.40 |
- |
0.40 |
0.50 |
0.80 |
0.035 |
0.035 |
0.90 |
1.20 |
0.15 |
0.30 |
0.90 |
1.20 |
- |
- |
- |
- |
- |
- |
|
30CrNiMo4 |
0.26 |
0.34 |
- |
0.40 |
0.30 |
0.30 |
0.035 |
0.035 |
1.8 |
2.20 |
0.30 |
0.50 |
1.80 |
2.20 |
- |
- |
- |
- |
- |
- |
|
41NiCrMo7-3-2 |
0.38 |
0.44 |
- |
0.30 |
0.60 |
0.90 |
0.025 |
0.025 |
0.70 |
0.90 |
0.15 |
0.30 |
1.65 |
2.00 |
0.25 |
- |
- |
- |
- |
- |
|
Agar boshqa azotli yopishtiruvchi moddalar etarli bo'lsa, minimal alyuminiy miqdori qo'llanilmaydi. Nb va V ning maksimal umumiy miqdori 0.20%. |
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