| Model | Welding wire chemical composition(Wt%) | ||||||||
| 
 | C | Mn | Si | Cr | Ni | Mo | P | S | Cu | 
| JQ.ER307 | 0.078 | 4.50 | 0.41 | 20.15 | 9.52 | 0.95 | 0.013 | 0.008 | 0.34 | 
| Compliant (equivalent) standard model | An example of physical properties of deposited metal (with SJ601) | ||
| GB | AWS | Tensile StrengthMPa | Elongation% | 
| S307 | ER307 | 621 | 38.0 | 
| Wire diameter(mm) | ¢0.8 | ¢1.0 | ¢1.2 | |
| Welding current(A) 
 
 | Flat welding, horizontal welding | 70-150 | 100-200 | 140-220 | 
| vertical welding | 50-120 | 80-150 | 120-180 | |
| Overhead welding | 50-120 | 80-150 | 160-200 | |
| Wire diameter | ¢0.8 | ¢1.0 | ¢1.2 | 
| Package weight | 12.5Kg/piece | 15Kg/piece | 15Kg/piece |