설명
특성:
LKE-9015-B91H4 is is designed to weld martensitic 95% Cr & 1% Mo-V steels known by the designations T91, P91 or Grade 91. These steels are designed to provide improved creep strength, fatigue, oxidation, and corrosion resistance at elevated temperatures. It also provides good weld metal ductility and high charpy values at room temperature.
애플리케이션:
It is suitable for welding of Pipeline, Petrochemical and Power Generation
사용 시 참고 사항:
1.Preheat at 80°C is sometime required according to base metal or its thickness.
2.Do not exceed the range of recommended because over heat input might decrease the impact value.
3.Keep the arc as short as possible.
4.Take the back-step method at the arc starting to prevent blowholes.
분류:
AWS A5.5 E9015-B91H4
용접 위치:
용접 금속의 일반적인 화학 성분(wt%)
| C | Mn | Si | V | Cr | Ni | Mo |
| 0.10 | 0.75 | 0.8 | 0.21 | 8.55 | 0.21 | 0.93 |
용접 금속의 일반적인 기계적 특성
| YP N/mm² | TS N/mm² | EL % | IV -20°C J | PWHT |
| 580 | 720 | 25 | 50 | 620°C x1hr |
크기 및 권장 전류 범위(AC 또는 DC+)
| 지름(mm) | 3.2 | 4.0 | 5.0 | |
| 길이(mm) | 350 | 450 | 450 | |
| 앰프 | F | 90-130 | 130-180 | 180-240 |
| V&OH | 80-120 | 110-160 | 150-200 | |
| 팩당 무게(kg) | 5 | 5 | 5 | |
| 상자당 무게(kg) | 20 | 20 | 20 | |
