Hardfacing VuamHluav taws xob
Txheem: DIN 8555 (E1-UM-350)
Hom No.: TY-C DUR 350
Specification & Daim Ntawv Thov:
· Basic coated SMAW electrode rau tawg thiab hnav resistant surfacing.
· Zoo abrasion tsis kam.Yooj yim rau vuam hauv txhua txoj haujlwm.
· Tshwj xeeb tshaj yog haum rau hnav resistant surfacing ntawm Mn-Cr-V alloyed qhov chaw, xws li qav, taug kev rollers, saw txhawb yob, sprocket log, coj yob thiab lwm yam.
Chemical muaj pes tsawg leeg ntawm deposited hlau (%):
|
| C | Si | Mn | Cr | Fe |
| DIN | - | - | - | - | - |
| EN | - | - | - | - | - |
| Hom | 0.20 ib | 1.2 | 1.40 Nws | 1.8 | Bal. |
Hardness ntawm deposited hlau:
| Raws li Welded (HB) | 1 txheej ntawm steel nrog C = 0.5% (HB) |
| 370 | 420 |
Cov yam ntxwv dav dav:
· Microstructure Ferrite + Martensitic
· Machinability Zoo nrog tungsten carbides tipped cov cuab yeej
· Preheating Preheat qhov hnyav thiab siab dua tensile steels rau 250-350 ℃
· Redrying Redry rau 2 h ntawm 300 ℃ ua ntej siv.
