超高强度船体结构钢焊接性的研究现状和趋势
|
|
雷玄威,周栓宝,黄继华
|
Current Status and Development Trend on Weldability of Ultra-high Strength Hull Structure Steel
|
|
Xuanwei LEI,Shuanbao ZHOU,Jihua HUANG
|
|
| 表6 几种不同超高船体结构钢的力学性能(对应中国船级社标准) |
| Table 6 Mechanical properties of several UHSHS steels (correspondence in CCS standard) |
|
| Steels | Yield strength/MPa | Tensile strength/MPa | Charpy absorbed energy/J |
|---|
| F460[35] (460 MPa grade) | 495 (≥460) | 599 (570~720) | AKV–60℃ 335 (≥46) | | F500[36] (500 MPa grade) | 580 (≥500) | 655 (610~770) | AKV–60℃ 194 (≥50) | | F550[11] (550 MPa grade) | 610 (≥550) | 660 (670~830) | AKV–60℃ 212 (≥55) | | E690[37] (690 MPa grade) | 730 (≥690) | 820 (770~940) | AKV–40℃ 210 (≥69) | | F690[38] (690 MPa grade) | 766 (≥690) | 804 (770~940) | AKV–60℃ 230 (≥69) | | 921A[39] (590 MPa grade) | 630 (≥590) | 710 (685~845) | AKV–60℃ 180 (≥59) | | 980[40] (785 MPa grade) | 939 (≥785) | 1002 | AKV–20℃ 149 (≥78.5) | | HY80[25] (550 MPa grade) | 760 (≥550) | 813 (670~830) | AKV–45℃ 250 (≥55) | | HY85[41] (590 MPa grade) | | 959 (685~845) | AKV–50℃ 226 (≥59) | | HY100[25] (690 MPa grade) | 689 (≥690) | 814 (770~940) | | | HY130[25] (890 MPa grade) | 896 (≥890) | 986 | | | HSLA100[42] (690 MPa grade) | 833 (≥690) | 938 (770~940) | AKV–50℃ 179 (≥69) | | HSLA115[30] (785 MPa grade) | 972 (≥785) | 997 | AKV–84℃ 100 (≥78.5) | | HSLA130[31] (890 MPa grade) | 896 (≥890) | 986 | |
|
|
|