Q345C ite iwọn 4 * 1219 * 2438mm Irin awo
Apejuwe:
Standard: GB/T 1591-2018
Iwọn: Q345B/Q355B, Q345C/Q355C, Q345D/Q355D
Ipo Ifijiṣẹ: Yiyi gbigbona
| Ipele | C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | N | Mo | Als |
| Q345B | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.035 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | / |
| Q345C | ≤0.20 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.030 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
| Q345D | ≤0.18 | ≤0.50 | ≤1.70 | ≤0.035 | ≤0.025 | ≤0.025 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
Awọn ohun-ini ẹrọ:
| Ipele | Agbara Yeildmin Mpa | Agbara fifẹ | Ilọsiwaju | Idanwo Ipa | |||
| T ni mm | Mpa | ||||||
| ≤16 | 16 ≤30 | 30 | ℃ | Ipa/J | |||
| ≥ | |||||||
| Q345B | 345 | 325 | 295 | 470-630 | ≥20 | 20 | 34 |
| Q345C | 345 | 325 | 295 | 470-630 | ≥21 | 0 | 34 |
| Q345D | 345 | 325 | 295 | 470-630 | ≥21 | -20 | 34 |
Q345C jẹ iru ti irin igbekale agbara giga-kekere alloy: (ni ibamu si awọn onipò atijọ ṣaaju ọdun 88: 16Mn,
12MnV, 14MnNb, 16MnRe, 18Nb marun grades dapọ) Q jẹ lẹta akọkọ ti pinyin Kannada ti Kannada
ohun kikọ "ikore", ti o nfihan agbara ti ikore 345 jẹ iye pato ti agbara ikore: 345MPa The C at
ẹhin jẹ aami ami didara ti irin ti ipele agbara yii, gbogbo pin si A, B, C, D, E ati
awọn ipele miiran (ipele ti o ga julọ, ipele ti o ga julọ) Akiyesi: Awọn ipele marun A, B, C, D, E ko ni ibamu
si išaaju marun onipò irin, ṣugbọn awọn didara onipò. Iyatọ akọkọ ni pe awọn ibeere fun ipa
agbara yatọ: Q345-A: Agbara ipa ko nilo Q345-B: Awọn ibeere fun agbara ipa ni yara
otutu Q345-C: nbeere 0℃ ipa agbara Q345-D: nbeere ohun ikolu agbara ti -20℃ Q345-E: nbeere
-40℃ agbara ikolu O le rii pe awọn onipò irin wọnyi le ṣee lo ni awọn iwọn otutu kekere
A ti kọ igba pipẹ ati ibatan ifowosowopo iduroṣinṣin pẹlu awọn alabara ni ile, bii Shanghai, Jiangsu,
Zhejiang, Anhui, Shandong, Jiangxi, Qinghai, Liaoning, Hainan ati bẹbẹ lọ.
Fun okeokun, onibara wa akọkọ lati South Asia, Africa, South America bi Singapore, Vietnam, Brazil, Ghana,
Ilu Niu silandii, Spain, Mauritius, Dubai ati bẹbẹ lọ.
