Description:
JCTD-32 self-shielded flux cored wire with DC positive (welding wire connected to the negative), the arc jet, spatter less, and has good welding performance, with a continuous wire, without gas protection, strong wind resistance, production efficiency High, low overall cost, good welding quality and so on.
use:
Suitable for railway rail (U74 ﹑ U71Mn ﹑ PD3 ﹑ rare earth rail) and combined frog wear ﹑ low collapsing, scraping and peeling repair.
Deposited metal chemical composition (%)
C | Si | Mn | Cr | Ni | Mo | S | P | Al | |
guarantee value | ≤0.15 | ≤0.50 | 0.80 ~ 1.10 | 0.70 ~ 1.50 | 2.00 ~ 3.00 | 0.40 ~ 0.70 | ≤0.03 | ≤0.03 | ≤2.00 |
Example value | 0.12 | 0.35 | 1.01 | 0.90 | 2.11 | 0.45 | 0.002 | 0.015 | 1.02 |
Deposited metal mechanical properties
Pilot projects | Rm (N / mm 2 ) | A (%) | A KU (J) at room temperature | Brinell hardness (HB) |
guarantee value | ≥700 | ≥15 | ≥27 | 300 ~ 350 |
Example value | 865 | 17 | 93,95,89 | 332 |
Supply specifications:
Φ1.6mm
⒈ out of the box.
⒉ welding rail, rail preheating 350 ~ 400 ℃.
⒊ welding DC positive connection.
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