Equivalent to: GB/T 5293 H10Mn2
Characteristics and Applications
TP-H10Mn2 (matched with flux SJ101) is a submerged arc welding wire designed for high-strength steels of ≥490 MPa grade. It features low welding consumption ratio, excellent porosity resistance and good slag detachability. The weld beads are smooth and uniform, with superior weldability, enabling high deposition efficiency and excellent low-temperature impact toughness. It is suitable for multi-pass welding, and demonstrates particularly favorable operability when used with a single-grade power source. This product is widely applied in fields such as shipbuilding and repair, offshore engineering, pressure vessels, petroleum pipelines and steel structures.
Precautions
1.The flux must be baked at 350℃ for 1 hour before use and kept dry to prevent porosity.
2.Welding with high heat input is feasible.
3.When reusing the flux, mix it with an appropriate amount of new flux to ensure favorable welding quality.
Typical Chemical Composition of Welding Wire (wt%):
| C | Mn | Si | P | S | Ni | Cr |
Typical Value | 0.078 | 1.63 | 0.35 | 0.015 | 0.008 | 0.06 | 0.03 |
Typical Mechanical Properties of Deposited Metal:
| Yield strength（MPa） | Tensile Strength (MPa) | Elongation (%) | Impact value(J) |
Standard Value | 430 | 545 | 28 | -40℃/92 |
Typical Value | ≥390 | 490-670 | ≥18 | -40℃/27 |
Recommended Welding Parameters: (DC')
Wire Diameter(mm) | 4.0 | 5.0 | 6.0 | 7.2 | |
Welding Current(A) | flat position welding | 150-650 | 200-750 | 280-850 | 300-1000 |