ASTM A106 ifihan:
1. ASTM A106 fun ohun elo boṣewa Amẹrika, pẹlu A, B, C lapapọ awọn onipò mẹta
| American bošewa | Kannada ti o jọra | agbara fifẹ |
| A | 20# | 330MPa |
| B | Q235 | 415MPa, |
| C | Q345 | 485MPa |
- Itupalẹ kemikali
| ≤C | Mn | ≤P | ≤S | Si | ≤Kr | ≤cu | Mo | Ni | V | |
| A | 0.25 | 0.27-0.93 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
| B | 0.30 | 0.29-1.06 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
| C | 0.35 | 0.29-1.06 | 0.035 | 0.035 | 0.1 | 0.4 | 0.4 | 0.15 | 0.4 | 0.08 |
Loke ite jẹ iyatọ nipasẹ C ati Mn, lẹhinna o wa pẹlu oriṣiriṣi agbara fifẹ.
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Akoko ifiweranṣẹ: Mar-12-2018