ASTM A106 gabatarwa:
1. ASTM A106 don daidaitattun kayan Amurka, gami da A, B, C jimlar maki uku
Matsayin Amurka | Irin Sinanci | karfin juyi |
A | 20# | 330MPa |
B | Q235 | 415MPa, |
C | Q345 | 485MPa |
- Binciken kimiyya
≤C | Mn | ≤P | ≤S | Si | ≤Cr | ≤ Ku | 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 |
Sama da daraja an bambanta ta C da Mn, sannan ya zo da ƙarfi daban-daban.
Lokacin aikawa: Maris-12-2018