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Key Features:
Self-Shielded Design: Operates without external gas, ideal for outdoor or windy conditions.
Single-Pass Use: Optimized for quick, efficient welds on mild/low-carbon steel; not recommended for multi-pass welding.
Positions: Typically suitable for flat and horizontal positions due to high deposition rates and slag characteristics.
Polarity: Requires DCEN (Direct Current Electrode Negative).
Slag System: Produces easy-to-remove slag, reducing post-weld cleanup.
Applications:
Common in automotive repair, agricultural equipment, construction, and light fabrication.
Ideal for portable setups or field repairs where gas cylinders are impractical.
Mechanical Properties:
Tensile Strength: ≥71,000 psi (490 MPa).
Yield Strength: ~58,000 psi (400 MPa).
Elongation: Approximately 20% (varies by manufacturer).
Operational Guidelines:
Wire Diameter: 0.030–0.045 inches (0.76–1.14 mm) for light to medium work.
Storage: Keep dry to prevent moisture absorption, which can affect weld quality.
Precautions: Avoid multi-pass use; ensure proper joint fit-up for single-pass effectiveness.
Advantages:
Portability and ease of use in remote locations.
Reduced equipment setup time compared to gas-shielded processes.
Limitations:
Restricted to single-pass welding.
Limited to specific positions (flat/horizontal) in most cases.
This wire balances convenience and performance for quick, durable repairs and fabrication in non-critical environments. Always consult manufacturer specifications for precise settings and compatibility.
| 焊丝型号 Model | 符合标砖 GB/T AWS Meeting the standards GB/T AWS | 化学成分（质量分数）% Chemical component(Mass fraction) | 熔敷金属力学性能 Mechanical Properties of Deposited Metal | 应用 Application | |||||||
| C | Mn | Si | S | P | Rm(Mpa) | Rp0.2(Mpa) | A(%) | Akv(J) | |||
| SHJ501-1 | GB/T 10045-2001 E501T AWS A5.20 E71T-1 JIS Z3313 YFW-C50DR | ≤0.18 | ≤1.75 | <0.90 | ≤0.03 | ≤0.04 | ≥500 | ≥410 | ≥22 | ≥47~27 | 用于重要的低碳钢及低合金钢的焊接 Applied to the welding of low carbon steel and low-alloy steel structure |
| SHJ501-1M | GB/T 10045-2001 E501T-1M AWS A5.20 E71T-1M JIS Z3313 YFW-C50DR | ≤0.18 | ≤1.75 | <0.90 | ≤0.03 | ≤0.04 | ≥500 | ≥410 | ≥22 | ≥47~27 | 用于重要的低碳钢及低合金钢的焊接 Applied to the welding of low carbon steel and low-alloy steel structure |
| SHJ702 | GB/T 10045-2001 E500T-1 AWS A5.20 E100T-1 JIS Z3313 YFW-C50DR | ≤0.18 | ≤1.75 | <0.90 | ≤0.03 | ≤0.04 | ≥500 | ≥410 | ≥22 | ≥27(0℃) | 用于船舶、机械制造、桥梁等钢结构的平焊和平角焊。 For flat and flat angle welding ships,machine manufacturing,bridge and other steel structure. |
| SHJ507-1 | GB/T 10045-2001 E500T-5 AWS A5.20 E70T-5 JIS Z3313 YFW-C503B | ≤0.10 | ≤1.75 | <0.90 | ≤0.03 | ≤0.04 | ≥500 | ≥410 | ≥22 | ≥27(-30℃) | 用于船舶、机械制造、容器、石油化工、桥梁等重要钢结构的焊接。 For welding ships,machine manufacturing,Vessl,petrochemical industry,bridge and other important steel structure. |