TGF309L_Wansen Welding Materials (Jiangsu) Co., Ltd.

Self - shielded back - side single - sided welding with double - sided forming flux - cored wire for non - argon filling, used for welding dissimilar steels of stainless steel and carbon steel or low - alloy steel.

Chemical components of deposited metal：

C	Mn	Si	P	S	Cr	Ni	Mo	Cu	Other
0.021	1.25	0.53	0.022	0.007	24.55	13.51	0.02	0.01

Mechanical properties of deposited metal：

Re(MPa)	RmMPa	Ag%	冲击（J)
	600	39

Instructions：

1. Introduction to Tungsten Inert Gas (TIG) Welding and TGF Welding Wire
TIG welding is an arc welding method that uses argon gas as a shielding gas. It is widely used in thin plate welding, all-position welding, and single-sided welding with double-sided formation without backing due to its stable arc, aesthetically pleasing weld bead formation, and high-quality welds. However, when performing single-sided welding with double-sided formation, argon gas shielding is required on the backside of the workpiece. This process can be challenging and costly for large workpieces or pipelines, increasing welding costs, reducing efficiency, and complicating operations.

To address these issues, our company has developed a self-shielded stainless steel TGF welding wire that utilizes slag protection instead of argon gas on the backside of the workpiece. This innovation reduces welding costs and difficulties while improving overall welding quality.

2. Features of TGF Welding Wire
TGF welding wire is a TIG wire coated with a flux layer on the outer surface, enabling slag protection during welding. In addition to meeting all the performance requirements of standard TIG wires, TGF wire offers enhanced slag protection, particularly for the backside of the workpiece during single-sided welding with double-sided formation.

3. Welding Process Performance Characteristics of TGF Welding Wire
① Similar to Standard TIG Process**: The welding process is nearly identical to conventional TIG welding, making it easy to operate.
② Excellent Weld Formation**: Produces high-quality welds with smooth surfaces and excellent slag removal properties. Argon shielding on the backside is not required.
③ Optimal Molten Metal Flow**: Features good fluidity and wetting properties of the molten metal.
④ Superior Mechanical and Corrosion Resistance**: Provides excellent mechanical properties and corrosion resistance for welded joints.

Our Capabilities

Wansen Welding Materials (Jiangsu) Co., Ltd. is an integrated welding professional company specializing in R&D, production, and operation. Founded in 1992, after more than 30 years of development, the "Wansen" brand welding materials have a series of welding materials that meet customer needs. The main products include non-alloy steel and fine-grained steel electrodes, high-strength steel electrodes, heat-resistant steel electrodes, stainless steel electrodes, surfacing electrodes, cast iron electrodes, nickel and nickel alloy electrodes for shielded metal arc welding; stainless steel, hardfacing surfacing, heat-resistant steel, and nickel-based series solid and flux-cored wires suitable for gas shielded welding.

Our Qualifications

The company adheres to the business philosophy of unity, pragmatism, innovation, service, and win-win. It has strengthened R&D efforts, adjusted product structure, continuously innovated, and strictly controlled quality. It has successively passed the ISO9001 quality management system certification and CE certification. The company implements a market strategy of integrating marketing and service, and has established a complete professional sales and service network. With the purpose of honest operation and continuous improvement of customer satisfaction, it makes unremitting efforts to achieve win-win results with customers.

CE
ISO9001
ISO9001
CE

Stainless steel TGF (Backing Self-Shielded) welding wire

TGF309L

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