Tianjin Bridge brand submerge arc welding wire AWS EM12K
|
THM-12K |
THM-12K AWS A5.17 EM12K
SAW Solid Wire GB/ T5293 SU21
Applications:
It is suitable for the welding of Rm 490MPa level carbon steel and low alloy steel structure, such as Gr.50, and so on.
Characteristic:
THM-12K is copper coated solid wire, and it can be used in automatic submerged arc welding with welding flux. The weld metal has excellent mechanical properties.
Attention:
1. The rust, oil, water and other impurities of the weld area must be removed before welding.
2. The mechanical properties of all weld metal be decided by heat input, normally the small heat input will better than larger one.
Chemical Composition of Wire: (Wt. %)
|
Item |
C |
Mn |
Si |
S |
P |
Cr |
Ni |
Cu |
|
Requirements |
0.05-0.15 |
0.80- 1.25 |
0.10-0.35 |
≤ 0.025 |
≤ 0.025 |
≤ 0.15 |
≤ 0.15 |
≤ 0.40 |
|
Typical Results |
0.08 |
0.95 |
0.20 |
0.011 |
0.015 |
0.01 |
0.01 |
0.10 |
Mechanical Properties of All Weld Metal (TH.SJ101/THM-12K):
|
Items |
Rm/MPa |
Rel/Rp0.2 /MPa |
A% |
KV2 (-20℃) /J |
|
Requirement |
490-670 |
≥390 |
≥18 |
≥27 |
|
Typical Results |
510 |
415 |
30 |
90 |
Normal Diameter of Wire:
|
Size(mm) |
2.0 |
2.5 |
3.2 |
4.0 |
5.0 |
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Some of our products have been applied to overseas key projects.
Electrode, SAW wire and flux of 600MPa Grade & 800MPa Grade applied to hydro steel at Laos pumped storage power station E6010 cellulose electrode Applied to the Ghana TEMA pipeline project in Africa successfully. It breaks the monopoly of Bohler cellulose electrode and won the bidding of oil pipeline Ghana tank project.
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A: 30 days
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