ASTM A516 \/ A516M -17 PDF
ARTM A516 nimaga teng?
ASTM A516 GD 70- bosimli kema po'lat
ASTM A516-sinf 70 - bu pasteratsion xizmatlardan foydalanish uchun po'lat plitaning qaynatish sifati. U qattiqqo'llikni yaxshiladi. A516 GD70 po'lat plitasi p3555 va 490b naviga teng.
O'rtasidagi farq nimaASTM A51660 va 70-sinf
| Element | %% | ||||
| 55-sinf [380 sinf] |
60-sinf [415-sinf] |
65-sinf [450-sinf] |
70-sinf [485-sinf] |
||
| Uglerod, Max a, B: | |||||
| 1\/2 ichida. [12.5 mm] va ostida | 0.18 | 0.21 | 0.24 | 0.27 | |
| 1\/2 dan ko'proq. [12.5 dan 50 mm] gacha | 0.20 | 0.23 | 0.26 | 0.28 | |
| 2 dan oshiq. [50-100 mm] gacha, shu jumladan | 0.22 | 0.28 | 0.25 | 0.30 | |
| 4 dan 8 gacha. [100 dan 200 mm], shu jumladan | 0.24 | 0.27 | 0.29 | 0.31 | |
| 8 dan ortiq. [200 mm] | 0.26 | 0.27 | 0.29 | 0.31 | |
| Marganets, b: | |||||
| 1\/2 ichida. [12.5 mm] va ostida | |||||
| Issiqlikni tahlil qilish | 0.60–0.90 | 0.60–0.90 c | 0.85–1.20 | 0.85–1.20 | |
| Mahsulot tahlili | 0.55–0.98 | 0.55–0.98 c | 0.79–1.30 | 0.79–1.30 | |
| 1\/2 dan ko'proq. [12.5 mm]: | |||||
| Issiqlikni tahlil qilish | 0.60–1.20 | 0.85–1.20 | 0.85–1.20 | 0.85–1.20 | |
| Mahsulot tahlili | 0.55–1.30 | 0.79–1.30 | 0.79–1.30 | 0.79–1.30 | |
| Fosfor, max a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Oltingugurt, max a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Kremniy | |||||
| Issiqlikni tahlil qilish | 0.15–0.40 | 0.15–0.40 | 0.15–0.40 | 0.15–0.40 | |
| Mahsulot tahlili | 0.13–0.45 | 0.13–0.45 | 0.13–0.45 | 0.13–0.45 | |
Uchun ruxsat beradigan stress nimaA516 GR 70?
Yuqori haroratda maksimal ruxsat etilgan stress
| * Temp. | -20~100 | 200 |
|---|---|---|
| * Mas | 20.0 | 20.0 |
| * Temp. | 650 | 750 |
| * Mas | 18.8 | 14.8 |
