Mahsulot tavsifi
BuGB / T1591 Q390 seriyaliBeshta po'latdagi beshta sinfdan iborat: Q390A, Q390B, Q390C, Q390D, Q390D va Q390E. UchunStrukturaviy po'lat Q390B, Kam - Harorat ta'sirini sinovdan o'tkazishbajarilishi kerak-20 darajaetarli darajada qattiqqo'llikni ta'minlash.
Uchunqalinroq past - qotishma Q390B po'lat plitalari, uni bajarish tavsiya etiladiIssiqlikni davolash normalarini normallashtirishMexanik ko'rsatkichlarni yaxshilash va material davomida bir xillikni yaxshilash.
Kimyoviy tarkibi
| Q390D asosiy kimyoviy elementlar tarkibi | ||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | Al (min.) | Kri | Ni |
| 0.20 | 0.55 | 1.00-1.60 | 0.030 | 0.030 | 0.02-0.20 | 0.015-0.060 | 0.02-0.20 | 0.015 | 0.30 | 0.70 |
Mexanik mulk
| Qalinligi (mm) | ||||
| Q390D | 16 dan kam yoki teng | >16 dan kam yoki unga teng | >35 dan kam yoki 50 ga teng | >50 |
| Kuch berish kuchi (MPA dan katta yoki unga teng) | 390 | 370 | 350 | 330 |
| Zinarli kuch (MPA) | 490-650 | |||
Q390B kuch beradi
|
Nominal qalinligi (mm) |
16 yoshgacha |
16-40 |
40-63 |
63-80 |
80- 100 |
100- 150 |
150- 200 |
200- 250 |
250- 400 |
|
Reh - Minimal hosil kuchi (MPA) |
390 |
370 |
350 |
330 |
330 |
310 |
- |
- |
- |
Q390B Zindo kuchi
|
Nominal qalinligi (mm) |
40 tagacha |
40-63 |
63-80 |
80-100 |
100-150 |
150-250 |
250-400 |
|
Reh - Minimal hosil kuchi (MPA) |
490-650 |
490-650 |
490-650 |
490-650 |
470-620 |
- |
- |
Q390B ta'sir darajasi darajasi va energiya
|
|
Min energiya nominalining qalinligi |
||
|
Harorat darajasi |
20 |
||
|
Qalinligi (mm) |
12-150 |
150-250 |
250-400 |
|
Ta'sir testi. Min. so'rilgan energiya |
34 |
- |
- |
Issiq teglar: GB / T1591 Q390B uglerod va Los - Q390B uglerod, etkazib beruvchi, zavod, zavodlarda ishlatiladigan kuchli -