H08MnA
Description:
Manganese low silicon type wire, and manganese, silicon flux match, the base metal is not sensitive to rust, weld bead forming and slag performance. Single, bipolar, AC, DC welding can be.
use:
It can be used for high speed welding and filler welding of base metal of 420N / mm2 tensile strength grade of pressure equipment, such as Q245R (20g, 20R), in cooperation with pressure-type sintered flux JQ.SJ101.
Wire chemical composition (%)
| C | Mn | Si | S | P | Cr | Ni | Cu |
guarantee value | ≤0.10 | 0.80 ~ 1.10 | ≤0.07 | ≤0.012 | ≤0.018 | ≤0.20 | ≤0.30 | ≤0.35 |
Example value | 0.066 | 0.96 | 0.038 | 0.007 | 0.010 | 0.027 | 0.011 | 0.110 |
Deposited metal chemical composition (with pressure JQ.SJ101) (%)
| C | Mn | Si | S | P | Cr | Ni | Cu |
guarantee value | - | - | - | ≤0.015 | ≤0.025 | - | - | - |
Example value | 0.046 | 1.04 | 0.22 | 0.008 | 0.021 | - | - | 0.06 |
Deposited metal mechanical properties
| Rm (N / mm 2 ) | ReL / Rp 0.2 (N / mm 2 ) | A (%) | KV 2 (J) |
-20 ° C |
Pressure JQ.SJ101 | standard value | 415 ~ 535 | ≥330 | ≥22 | ≥34 |
Example value | 480 | 370 | 30 | 156 121 138 |
Wire specifications
Wire diameter (mm) | φ2.5 | φ3.2 | φ4.0 | φ5.0 |
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