S690Q and S960Q steel welding process
The company can provide high-strength construction machinery steel service product series such as S690Q steel, S690QL, S960Q, S960QL with the strength of 590MPa to 1100MPa, and the low temperature impact level can reach the E-level requirement.
The product has good welding performance: the welding test results show that the -40℃ V-type impact of the weld and fusion line is greater than 90J.
Recommended welding process for S690Q and S960Q quenched and tempered high-strength steel for construction machinery
Grade |
Welding method |
Recommended welding material |
Preheating temperature (℃) |
Interlayer temperature (℃) |
Electrode (wire) diameter (mm) |
Welding current (A) |
Welding voltage (V) |
Welding speed (cm/min) |
Line energy (KJ/cm) |
|
S690Q |
Electrode arc welding (SWAW) |
J807RH |
100-150 |
≥100 |
Φ4.0 |
170 |
25 |
15 |
20 |
|
Gas Shielded Welding (GMAW) |
GHS－80 JS－80S |
100-150 |
≥100 |
Φ4.0 |
240 |
30 |
30 |
15 |
|
|
Automatic Submerged Arc Welding (SAW) |
SHW－S10 |
100-150 |
≥100 |
Φ4.0 |
500～600 |
34 |
30 |
35～40 |
|
|
S960Q |
Electrode arc welding (SWAW) |
JHW－S10 |
100-150 |
≥100 |
Φ4.0 |
170 |
25 |
15 |
20 |
|
Gas Shielded Welding (GMAW) |
Union X90 |
100-150 |
≥100 |
Φ4.0 |
240 |
30 |
30 |
15 |
Quenched and tempered high-strength steel for construction machinery S690Q and S960Q steel plates have complete specifications: thickness is 8-150mm, width is 1500-4000, length is 3000-16000mm
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