ASTM A516/A516M-17 PDF
ASTM A516 nimaga ekvivalent?
ASTM A516 GD 70- Bosimli idish po'lati
ASTM A516 Grade 70 - past va o'rtacha xizmatlarda foydalanish uchun po'lat plitalarning qozon / bosimli idish sifati. U tirqishning mustahkamligini oshirdi. A516 GD70 po'lat plitasi P355GH va 490B markalariga teng.
O'rtasidagi farq nimaASTM A51660 va 70-SINF
| Element | Tarkibi % | ||||
| 55-sinf [380-sinf] |
60-sinf [415-sinf] |
65-sinf [450-sinf] |
70-sinf [485-sinf] |
||
| Uglerod, max a,b: | |||||
| 1⁄2 dyuym [12,5 mm] va undan kam | 0.18 | 0.21 | 0.24 | 0.27 | |
| 1⁄2 dyuymdan 2 dyuymgacha [12,5 dan 50 mm] gacha, shu jumladan | 0.20 | 0.23 | 0.26 | 0.28 | |
| 2 dyuymdan 4 dyuymgacha [50 dan 100 mm] gacha, shu jumladan | 0.22 | 0.28 | 0.25 | 0.30 | |
| 4 dan 8 dyuymgacha [100 dan 200 mm] gacha, shu jumladan | 0.24 | 0.27 | 0.29 | 0.31 | |
| 200 mm dan ortiq | 0.26 | 0.27 | 0.29 | 0.31 | |
| Marganets, b: | |||||
| 1⁄2 dyuym [12,5 mm] va undan kam | |||||
| Issiqlik tahlili | 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 dyuym [12,5 mm] dan ortiq: | |||||
| Issiqlik tahlili | 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, maksimal a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Oltingugurt, maksimal a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Silikon | |||||
| Issiqlik tahlili | 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 | |
Ruxsat etilgan stress nima uchunA516 GR 70?
Yuqori haroratlarda ruxsat etilgan maksimal stress
| *Temp. | -20~100 | 200 |
|---|---|---|
| *MAS | 20.0 | 20.0 |
| *Temp. | 650 | 750 |
| *MAS | 18.8 | 14.8 |
