Mataas na manganese steel surfacing electrode D256 AWS: EFeMn-A

Mataas na manganese steel surfacing electrode D256 AWS: EFeMn-A

MGA APLIKASYON:

Ito ay angkop para sa surfacing welding ng iba't ibang pandurog, mataas na manganese rail, bucket, bulldozer, atbp.

MGA KATANGIAN:

Ang THD256 ay ang surfacing electrode ng mataas na manganese steel na may mababang hydrogen potassium coating.Maaaring parehong ac at dc (ac welding, walang-load na boltahe ay hindi mas mababa sa 70V), surfacing welding ay dapat gumamit ng maliit na kasalukuyang, makitid na hinang, habang ang pulang init agad na martilyo o tubig pagsusubo, upang mabawasan ang crack ugali.

PANSIN:

1. Bago magwelding, ang elektrod ay dapat i-bake sa 300-350 ℃ sa loob ng 1 oras bago gamitin.

2. Para sa pagpapalabas ng hinang ng mga pagod na bahagi ng mataas na manganese steel, ang fatigue layer ay dapat tanggalin o tratuhin ng water toughness o soldered na may chromium manganese steel electrode (tulad ng D277).

3. Dahil sa malaking dilaw na usok sa panahon ng surfacing welding, dapat bigyang pansin ang palakasin ang bentilasyon at gumana sa posisyon na tinatangay ng hangin.

MGA POSISYON NG WELD:   PA, PB, PC, PD, PE, PF

DEPOSIT COMPOSITION (QUALITY SCORE): %

TYPICAL OPERATING PROCEDURES: (AC,DC)

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