Molybdenum me Chromium Molybdenum Heat Restant Steel Welding Electrode
R407
GB/T E6015-B3
AWS A5.5 E9015-B3
Whakaahuatanga: Ko te R407 he pearlitic wera-aukati maitai hiko me te paninga konutai iti-waiwai kei roto 2.5% Cr - 1% Mo. Whakamahia te DCEP (te hiko o naianei tika) ka taea te paihere ki nga waahi katoa.Ko te weldment me whakamahana ki te 200 ~ 300°C i mua i te whakapiri.
Taupānga: Whakamahia mō te fehokotaki'anga teitei-te pāmahana me te teitei-press pipelines ki te pāmahana mahi i raro i 550 ° C, mīhini matū waihanga, taputapu hangai hinu, etc.
Te hanganga matū o te whakarewa whakarewa(%):
| 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 |
Nga ahuatanga miihini o te whakarewa whakarewa:
| Tuemi whakamatautau | Te kaha tensile Mpa | Te kaha tuku Mpa | Te whakaroa % | Uara pānga (J) Pūnoa Temp. |
| Ka whakamanahia | ≥590 | ≥490 | ≥15 | ≥47 |
| I whakamatauria | 600 ~ 680 | ≥500 | 18 ~ 21 |
Ko te ihirangi hauwai whakamaoritanga o te konganuku penapena: ≤4.0mL/100g (tikanga glycerin)
Tirohanga X-ray: Ko taku tohu
O nāianei e taunaki ana:
| Te diameter o te tokotoko （mm） | 2.5 | 3.2 | 4.0 | 5.0 |
| Waeherehere o naianei （A） | 60 ~ 90 | 90 ~ 120 | 140 ~ 180 | 170 ~ 210 |
Panui:
1. Me tunuhia te electrode mo te 1 haora i te 350 ℃ i mua i te mahi whakapiri;
2. He mea nui ki te horoi i te waikura, te unahi hinu, te wai, me nga poke i runga i nga waahanga whakapiri i mua i te whakapiri.
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