Po'lat sim
Qisqacha tavsif:
| payvandlash uchun po'lat simli tayoq Dia.5.5mm, 6.5mm: |
| Baho | Kimyoviy tarkibi % | |||||||
| C | Mn | Si | P | S | Cr | Ni | Cu | |
| Bundan ortiq emas | ||||||||
| ER50-6E | 0,06~0,09 | 1.40~1.60 | 0.80~0.95 | 0.020 | 0.020 | 0.10 | 0.15 | 0.10 |
| H10MnSiA | 0,06~0,15 | 0.90~1.40 | 0,45~0,75 | 0.030 | 0,025 | 0.20 | 0.30 | 0.20 |
| H10Mn2 | 0.12 | 1.50~1.90 | =0.07 | 0,035 | 0,035 | 0.20 | 0.30 | 0.20 |
| H08Mn2Si | 0.11 | 1.70~2.10 | 0.65~0.95 | 0,035 | 0,035 | 0.20 | 0.30 | 0.20 |
| H08Mn2SiA | 0.11 | 1.80~2.10 | 0.65~0.95 | 0.030 | 0.030 | 0.20 | 0.30 | 0.20 |
| Yuqori uglerodli material Sifatli galvanizli bahor po'lat simlari: |
| Chelik darajasi GB standarti | Uglerod% | Kremniy% | Marganets% | Fosfor% | Oltingugurt% | Xrom% | Nikel% | Cuprum% |
| 60# | 0.60-0.61 | 0.18-0.22 | 0.52-0.59 | 0,012 | 0,007 | 0.06-0.07 | 0,05 | 0.18 |
| 65# | 0,65 | 0.21 | 0,56 | 0.013 | 0,008 | 0,05 | 0.04 | 0.14 |
| 65 million | 0.60-0.70 | 0.10-0.25 | 0.70-1.00 | 0.030 | 0.030 | 0.20 | 0.20 | 0,25 |
| 70# | 0.69-0.71 | 0.19-0.21 | 0.53-0.58 | 0.010-0.012 | 0.003-0.006 | 0.01-0.05 | 0.02-0.04 | 0.04 |
| 72A 72B | 0.72 | 0.19 | 0.71 | 0.013 | 0,006 | 0.02 | 0.02 | 0.03 |
| 80# | 0.80-0.81 | 0.22-0.24 | 0.59-0.76 | 0,008 | 0,004 | 0.04 | ||
| 82A 82B | 0.82 | 0.24-0.25 | 0.76-0.77 | 0.011-0.014 | 0.004-0.007 | 0.17-0.17 |
| Yuqori uglerodli bahorgi po'lat sim | |||
| sim diametri (mm) | Cho'zilish kuchi (N/mm2) | ||
| A darajasi | B darajasi | C darajasi | |
| 0.30 | 2370-2650 | ||
| 0.40 | 2270-2550 | ||
| 0.50 | 2200-2470 | ||
| 0.60 | 2140-2400 | ||
| 0.70 | 2090-2350 | ||
| 0.80 | 2050-2300 yillar | ||
| 1.00 | 1720-1970 yillar | 1980-2220 yillar | |
| 1.20 | 1670-1910 yillar | 1920-2160 yillar | |
| 1.40 | 1620-1860 yillar | 1870-2100 yillar | |
| 1.60 | 1590-1820 yillar | 1830-2050 yillar | |
| 1.80 | 1500-1780 yillar | 1790-2010 yillar | |
| 2.00 | 1520-1750 yillar | 1760-1970 yillar | 1980-2200 yillar |
| 3.00 | 1410-1620 yillar | 1630-1830 yillar | 1840-2040 yillar |
| 4.00 | 1320-1520 yillar | 1530-1730 yillar | 1740-1930 yillar |
| 5.00 | 1260-1450 yillar | 1460-1650 yillar | 1660-1840 yillar |
| 6.00 | 1210-1390 yillar | 1400-1580 yillar | 1590-1770 yillar |
| 7.00 | 1160-1340 yillar | 1350-1530 yillar | 1540-1710 yillar |
| 8.00 | 1120-1300 | 1310-1480 yillar | 1490-1660 yillar |
| 9.00 | 1090-1260 | 1270-1440 yillar | 1450-1610 yillar |
| 10.00 | 1060-1230 | 1240-1400 yillar | 1410-1570 yillar |
| 11.00 | 1210-1370 yillar | 1380-1530 yillar | |
| 12.00 | 1180-1340 yillar | 1350-1500 yillar | |
| 13.00 | 1160-1310 yillar | 1320-1470 yillar | |
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