成绩 | C | SI. | m | P. | S. | NB. | V. | TI. | CR. | 你 | 铜 | 莫 | N | ALS. |
Q345QC | ≤0.20 | ≤0.55 | 0.90-1.70. | ≤0.030. | ≤0.025. | ≤0.06. | ≤0.08 | ≤0.03 | ≤0.80. | ≤0.50. | ≤0.55 | ≤0.20 | ≤0.012. | ≥0.015 |
Q345QD | ≤0.18 | ≤0.55 | 0.90-1.70. | ≤0.025. | ≤0.020. | ≤0.06. | ≤0.08 | ≤0.03 | ≤0.80. | ≤0.50. | ≤0.55 | ≤0.20 | ≤0.012. | ≥0.015 |
Q345QE. | ≤0.18 | ≤0.55 | 0.90-1.70. | ≤0.020. | ≤0.010. | ≤0.06. | ≤0.08 | ≤0.03 | ≤0.80. | ≤0.50. | ≤0.55 | ≤0.20 | ≤0.012. | ≥0.015 |
成绩 | 屈服强度(MPa)min以mm厚度 | 拉伸强度分钟。 | 伸长 | V型冲击试验 | ||
≤50. | >50≤100. | MPA. | %最少 | 测试温度℃ | 冲击吸收能量KV 2 / J. | |
Q345QC | 345. | 335. | 490. | 20. | 0. | 47. |
Q345QD | 345. | 335. | 490. | 20. | -20 | 47. |
Q345QE. | 345. | 335. | 490. | 20. | -40 | 47. |
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