英国 · Lloyds
LR 3Y40
LR:2016 — Rules for the Manufacture, Testing and Certification of Materials——Chapter 11 - Section 4:Approval of Welding Consumables - Wire-flux combinations for submerged-arc automatic welding
力学性能
按热处理状态分组高温 / 低温性能
性能随温度变化- Wire-flux combinations · 冲击功 Kv/Ku
力学性能
| 热处理 / 状态 | 屈服强度 | 抗拉强度 | 伸长率 | 断面收缩率 | 冲击功 | 硬度 |
|---|---|---|---|---|---|---|
| Wire-flux combinations | ≥400 Deposited metal tests | ≥510 Butt weld tests；510–690 Deposited metal tests | ≥22 Lo=50mm;Deposited metal tests |
高/低温力学性能
| 热处理 / 状态 | 温度 ℃ | min | 备注 |
|---|---|---|---|
| Wire-flux combinations | 0 | 39 | Butt weld tests |
| Wire-flux combinations | -20 | 39 | Butt weld tests |
| Wire-flux combinations | -40 | 39 | Butt weld tests |
| Wire-flux combinations | -60 | 39 | Butt weld tests |
| Wire-flux combinations | 0 | 39 | Deposited metal tests |
| Wire-flux combinations | -20 | 39 | Deposited metal tests |
| Wire-flux combinations | -40 | 39 | Deposited metal tests |
| Wire-flux combinations | -60 | 39 | Deposited metal tests |