Molybdenum da Chromium Molybdenum Heat Resistant KarfeWaldaElectrode
R107
GB/T E5015-A1
AWS A5.5 E7015-A1
Description: R107 ne pearlitic zafi-resistant karfe electrode tare da low-hydrogen sodium shafi dauke da 0.5% Mo. Yi amfani da DCEP (kai tsaye halin yanzu electrode tabbatacce) kuma za a iya welded a duk matsayi.The weldment dole ne a preheated zuwa 90 ~ 110 ℃ kafin walda. .
Aikace-aikace: Ana amfani da walda tukunyar jirgi bututu tare da aiki zafin jiki a kasa 510 ° C (kamar 15Mo, da dai sauransu), kuma za a iya amfani da waldi janar low-alloy high-ƙarfi karfe.
Abubuwan sinadaran na weld karfe(%):
C | Mn | Si | Mo | S | P |
≤0.12 | 0.50 ~ 0.90 | ≤0.50 | 0.40 ~ 0.65 | ≤0.030 | ≤0.030 |
Abubuwan kayan aikin walda:
Gwaji abu | Ƙarfin ƙarfi Mpa | Ƙarfin bayarwa Mpa | Tsawaitawa % | Ƙimar tasiri (J) Temp na al'ada. |
Garanti | ≥490 | ≥390 | ≥22 | ≥47 |
Yadawa hydrogen abun ciki na ajiyar karfe: ≤6.0ml/100g (hanyar glycerin)
Duban X-ray: I grade
Shawarwari na yanzu:
Diamita na sanda (mm) da | 2.0 | 2.5 | 3.2 | 4.0 | 5.0 |
WaldaA halin yanzu (A) | 40 ~ 70 | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Sanarwa:
1. Dole ne a gasa wutar lantarki don 1 hour a 350 ℃ kafin aikin walda;
2. Yana da mahimmanci don tsaftace tsatsa, sikelin mai, ruwa, da ƙazanta akan sassan walda kafin walda.