IMolybdenum kunye neChromium Molybdenum Ubushushu obunganyangekiyo kwintsimbi yeWelding Electrode
I-R407
I-GB/T E6015-B3
AWS A5.5 E9015-B3
Inkcazo: I-R407 i-electrode yensimbi ye-pearlitic echasene nokushisa kunye ne-low-hydrogen sodium coating equkethe i-2.5% Cr - 1% Mo. Sebenzisa i-DCEP (i-electrode ngqo yangoku i-positive) kwaye inokudityaniswa kuzo zonke izikhundla.I-weldment kufuneka ifudunyezwe ukuya kwi-200 ~ 300 ° C ngaphambi kwe-welding.
Isicelo: Isetyenziselwa ukuwelda ubushushu obuphezulu kunye noxinzelelo oluphezulu lwemibhobho kunye nobushushu bokusebenza obungaphantsi kwe-550 ° C, oomatshini bekhemikhali bokwenziwa, izixhobo zokuqhekeka kwepetroleum, njl.
Ukwakhiwa kweekhemikhali zentsimbi edibeneyo(%):
| C | Mn | Si | Cr | Mo | S | P |
| 0.05 ~ 0.12 | 0.50 ~ 0.90 | ≤0.50 | 2.00 ~ 2.50 | 0.90 ~ 1.20 | ≤0.030 | ≤0.030 |
Iimpawu zobuchwephesha bentsimbi ye-weld:
| Into yovavanyo | Tensile strength Mpa | Unikeze Amandla Mpa | Elongation % | Ixabiso lempembelelo (J) ITemp yesiqhelo. |
| Iqinisekisiwe | ≥590 | ≥490 | ≥15 | ≥47 |
| Ivavanyiwe | 600 ~ 680 | ≥500 | 18 ~ 21 |
Ukusasazwa kwe-hydrogen umxholo wentsimbi egciniweyo: ≤4.0mL/100g (indlela yeglycerin)
Ukuhlolwa kwe-X-reyi: I grade
yangoku eCetyisiweyo:
| Intonga yobubanzi (mm) | 2.5 | 3.2 | 4.0 | 5.0 |
| I-Welding yangoku (A) | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Isaziso:
1. I-electrode kufuneka ibhakwe ngeyure eli-1 kwi-350 ℃ ngaphambi kokusebenza kwe-welding;
2. Kubalulekile ukucoca umhlwa, isikali se-oyile, amanzi, kunye nokungcola kwiindawo zokuwelda phambi kokuba udibanise.
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