Kev vuam tawvHluav taws xob
Txheem: DIN 8555 (E9-UM-250-KR)
Hom Naj Npawb: TY-C65
Kev Qhia Txog & Daim Ntawv Thov:
· Cov electrode tshwj xeeb nrog kev vuam zoo tshaj plaws thiab cov khoom siv kho tshuab.
· Austenite- Ferrites vuam hlau. Muaj zog heev thiab tiv taus kev tawg.
· Tsim nyog tshwj xeeb rau kev koom ua ke ntawm cov hlau uas tsis tshua vuam tau, thaum muaj kev xav tau siab tshaj plaws ntawm cov xov vuam.
· Tiv taus kev tawg ntau thaum koom nrog cov hlau niam txiv uas nyuaj rau vuam, xws li cov hlau austenitic thiab ferritic, cov hlau manganese siab nrog cov hlau alloyed thiab cov hlau tsis alloyed, cov hlau kho cua sov thiab cov hlau cuab yeej. Daim ntawv thov hauv kev kho thiab kev saib xyuas ntawm cov khoom siv tshuab thiab tsav tsheb nrog rau kev kho cov cuab yeej.
· Ua ib txheej cushion rau ntawm cov ntaub ntawv no kuj tsim nyog heev.
Cov tshuaj lom neeg muaj pes tsawg leeg ntawm cov hlau uas tau tso rau hauv (%):
|
| C | Si | Mn | P | S | Cr | Ni | Mo | N | Fe |
| DIN | - 0.15 | - 0.90 | 0.50 2.50 | - 0.04 | - 0.03 | 28.0 32.0 | 8.0 10.0 | - | - | Bal. |
| Ib txwm muaj | 0.1 | 1.0 | 1.0 | ≤0.035 | ≤0.025 | 29.0 | 9.0 | ≤0.75 | 0.10 | Bal. |
Hardness ntawm cov hlau tso rau hauv:
| Lub zog tawm los Mpa | Lub zog tensile Mpa | Kev ntev Ib (%) | Hardness Raws li Welded (HB) |
| 620 | 800 | 22 | 240 |
Cov Yam Ntxwv Dav Dav:
· Microstructure Austenite + Ferrite
· Kev Siv Tau Zoo Kawg Nkaus
· Ua ntej cua sov Ua ntej cua sov cov khoom ferritic tuab rau 150-150 ℃
· Ziab dua Redry rau 2 teev ntawm 150-200 ℃ ua ntej siv.
Cov Khoom Sib Xws
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