Common grades: ER308, ER308L, ER309L, ER310, ER316L, ER321, ER347, ER2209, ER304, ER410, ER430
Wire diameter: φ1.6mm-φ4.0mm
Packing: 25kg/box
Application Principle: The welding arc is generated between the welding wire under the flux layer and the base metal. The arc heat melts the surrounding base metal, welding wire and flux, causing partial evaporation. The evaporated gas of metal and flux forms a bubble, in which the arc burns. The upper part of the bubble is surrounded by an outer film composed of molten flux (slag). This outer film and the un-melted flux covering it jointly isolate air, insulate heat and shield optical radiation during welding. The molten droplets of the welding wire fall and mix with the partially melted base metal to form a molten metal pool. Part of the slag floats on the surface of the molten pool due to its low density. As the welding wire moves forward, the arc force pushes the molten metal in the pool to the rear of the pool. During the subsequent cooling process, this molten metal solidifies into a weld seam, and the slag solidifies into a slag shell covering the surface of the weld metal. During welding, the slag not only provides mechanical protection for the molten pool and weld metal, but also undergoes metallurgical reactions (such as deoxidation, impurity removal, alloying, etc.) with the molten metal, thereby affecting the chemical composition of the weld metal.
| Product Name | AWS standards | YB Standard |
|---|---|---|
| 304 | — | 06Cr19Ni10 |
| 308L | ER308L | H022Cr21Ni10 |
| 308LSi | ER308LSi | H022Cr21Ni10Si |
| 308H | ER308H | H07Cr21Ni10 |
| 309L | ER309L | H022Cr24Ni13 |
| 309LMo | ER309LMo | H022Cr24Ni13Mo2 |
| 310 | ER310 | H11Cr26Ni21 |
| 316L | ER316L | H022Cr19Ni12Mo2 |
| 316LSi | ER316LSi | H022Cr19Ni2Mo2Si |
| 316H | ER316H | H07Cr19Ni12Mo2 |
| 317L | ER317L | H022Cr19Ni13Mo3 |
| 317LSi | ER317LSi | H022Cr19Ni13Mo3Si |
| 347 | ER347 | H08Cr19Ni10Nb |
| 347Si | ER347Si | H08Cr19Ni10NbSi |
| 2209 | ER2209 | H03Cr22Ni8Mo3N |
| Product Name | Welding wire chemical composition (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | Others | |
| 304 | 0.08 | 1.00 | 2.00 | 0.05 | 0.01 | 18.00~20.00 | 8.00~11.00 | — | 0.75 | — |
| 308 | 0.08 | 1.00 | 2.00 | 0.05 | 0.01 | 19.00~21.00 | 9.00~11.00 | — | 0.75 | — |
| 308L | 0.03 | 1.00 | 2.00 | 0.05 | 0.01 | 19.00~21.00 | 9.00~11.00 | — | 0.75 | — |
| 309 | 0.12 | 1.00 | 2.00 | 0.05 | 0.01 | 22.00~24.00 | 12.00~14.00 | — | 0.75 | — |
| 309L | 0.03 | 1.00 | 2.00 | 0.05 | 0.01 | 22.00~24.00 | 12.00~14.00 | — | 0.75 | — |
| 310 | 0.20 | 1.00 | 2.00 | 0.05 | 0.01 | 25.00~27.00 | 19.00~22.00 | — | 0.75 | — |
| 316 | 0.08 | 1.00 | 2.00 | 0.05 | 0.01 | 18.00~20.00 | 10.00~14.00 | 2.00~3.00 | 0.75 | — |
| 316L | 0.03 | 1.00 | 2.00 | 0.05 | 0.01 | 18.00~20.00 | 10.00~14.00 | 2.00~3.00 | 0.75 | — |
| 347 | 0.08 | 1.00 | 2.00 | 0.05 | 0.01 | 18.00~20.00 | 9.00~11.00 | — | 0.75 | Nb Ta: 8×C~1.00 |
| 2209 | 0.03 | 1.00 | 2.00 | 0.05 | 0.01 | 21.00~23.00 | 8.50~10.50 | 2.50~3.50 | 0.75 | N: 0.10~0.25 |
| Product Name | Application |
|---|---|
| 304 | Main composition: 18%Cr-8%Ni |
| 308L | For welding low-carbon 18%Cr-8%Ni stainless steel (SUS304L), with excellent weldability, low crack sensitivity and good intergranular corrosion resistance. |
| 308LSi | The main component is low C- 18Cr-8Ni, Si element is added, the molten iron has good fluidity, the weld formation is beautiful, and it is suitable for high-speed welding. |
| 308H | For welding high-carbon 18%Cr-8%Ni stainless steel (SUS304) for high-temperature applications, with excellent weldability and low crack sensitivity. |
| 309L | For welding 22%Cr-12%Ni stainless steel (SUS309S), or dissimilar materials such as stainless steel and carbon steel/low-alloy steel. |
| 309LMo | For dissimilar welding of stainless steel and carbon steel/low-alloy steel, or as backing welding for overlaying 316 series materials, with excellent weldability and low crack sensitivity. |
| 310 | For welding 25%Cr-20%Ni heat-resistant stainless steel (SUS310), with excellent heat resistance up to 1200℃. |
| 316L | For welding low-carbon 18%Cr-12%Ni-2%Mo stainless steel (SUS316L, etc.), with excellent weldability, low crack sensitivity and good corrosion resistance. |
| 316LSi | Main composition: low C-18%Cr-12%Ni-2%Mo, added with Si element. Features good molten metal fluidity and beautiful weld formation, suitable for high-speed welding. |
| 316H | High carbon 18% Cr-12%Ni-2.5 Mo stainless steel welding (SUS316), high temperature occasions, excellent welding performance, anti crack sensitivity performance is good. |
| 317L | Low carbon 19% Cr-13 Ni-3.5 Mo stainless steel welding (SUS317L), excellent corrosion resistance, especially pitting corrosion resistance is better than 316 series. |
| 317LSi | The main component is low C- 19Cr-13Ni-3.5Mo, Si element is added, the molten iron has good fluidity, the weld formation is beautiful, and it is suitable for high-speed welding. |
| 347 | The 18% Cr-8 Ni stainless steel containing Nb stabilizing element is used for welding, with excellent welding performance, good intergranular corrosion resistance and good high temperature strength. |
| 347Si | Main composition: low C-18%Cr-8%Ni, added with Si element. Features good molten metal fluidity and beautiful weld formation, suitable for high-speed welding. |
| 2209 | For welding 22%Cr-5%Ni-3%Mo-N duplex stainless steel (SUS2205), with excellent corrosion resistance. |
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