Applications:
1) Welding structures on medium carbon steel
2) Welding low-alloy steel, 16Mn.
| Type | Model GB |
Chemical composition(%) | Mechanical properties | ||||||||
| C | Mn | Si | S | P | other | R el /R p 0.2 MPa | R m MPa |
A % |
A KV J | ||
| J421 | E4313 | 0.10 | 0.32/0.55 | 0.30 | 0.035 | 0.04 | - | 330 | 420 | 17 | 0 o C 27 |
| THJ422 | E4303 | 0.10 | 0.32/0.55 | 0.25 | 0.035 | 0.040 | - | 330 | 420 | 22 | 0 o C 27 |
| THJ422GM | E4303 | 0.10 | 0.32/0.55 | 0.25 | 0.035 | 0.040 | - | 330 | 420 | 22 | 0 o C 27 |
| THJ423 | E4301 | 0.10 | 0.32/0.55 | 0.30 | 0.035 | 0.040 | - | 330 | 420 | 22 | -20 o C 27 |
| THJ426 | E4316 | 0.10 | 1.25 | 0.90 | 0.035 | 0.040 | - | 330 | 420 | 22 | -30 o C 27 |
| THJ502 | E5003 | 0.10 | 0.50/1.25 | 0.30 | 0.035 | 0.040 | - | 400 | 490 | 20 | 0 o C 27 |
| THJ506 | E5016 | 0.10 | 1.60 | 0.75 | 0.035 | 0.040 | - | 400 | 490 | 22 | -30 o C 27 |
| THJ506D | E5016 | 0.10 | 1.60 | 0.75 | 0.035 | 0.040 | - | 400 | 490 | 22 | -30 o C 27 |
| THJ506Fe | E5018 | 0.10 | 1.60 | 0.75 | 0.035 | 0.040 | - | 400 | 490 | 22 | -30 o C 27 |
| THJ507 | E5015 | 0.10 | 1.60 | 0.75 | 0.035 | 0.040 | - | 400 | 490 | 22 | -30 o C 27 |
| Type | Model GB(AWS) | Usage |
| J421 | E4313 | For welding low carbon steel light-gauge sheet structures . |
| THJ422 | E4303 | For welding key structures of low carbon steel as well as low-alloy steel with same strength. |
| THJ422GM | E4303 | Suitable for cosmetic welding of key structures of low carbon steel ad low-alloy steel |
| THJ423 | E4301 | For welding low carbon steel structures. |
| THJ426 | E4316 | For welding key structures of low carbon steel and low-alloy steel with same strength |
| THJ502 | E5003 | For welding general structures of 16Mn and low-alloy steel with same strength |
| THJ506 | E5016 | For welding medium carbon steel structures and some key structures of low-alloy steel like 16Mn and etc. |
| THJ506D | E5016 | For kacking welding and back sealing weiding is not necessary. |
| THJ506Fe | E5018 | High efficient welding electrodes for welding low-alloy steel structures. |
| THJ507 | E5015 | Suitable for welding key structures for medium carbon steel and 16Mn low-alloy steel structures. |

