Class: E502-16
AWS: A5.4
Conforms to Certification: AWS A5.4 ASME SFA A5.4
Weld Process: Shielded Manual Metal Arc
| AWS Chemical Composition Requirements | |
| C=0.10 max | Si=0.90 |
| Cr=4.0 – 6.0 | P=0.04 |
| Ni=0.40 max | S=0.03 |
| Mn=1.0 max | Mo=0.45 – 0.65 |
| Cu=0.75 | |
Application
E502-16 is for welding matching composition base metals, usually pipe. Preheat and interpass of more than 300ºF is required. Post-weld heat treatment is recommended.
| Deposited Chemical Composition % (Typical) | ||
| C=0.08 | Cr=5.25 | Si=0.51 |
| Mn=0.72 | P=0.022 | S=0.023 |
| Mo=0.52 | ||
| Deposited All Weld Metal Properties % | |
| (Typical) As-Welded | |
| Yield Strength | 77,800 psi |
| Tensile Strength | 59,000 psi |
| Elongation | 22% |
Deposited Charpy-V-Notch Impact Properties %
Not Applicable
| Available Sizes & Recommended Welding Parameters | |||
| Diameter | Voltage | Flat | Amperage Vertical & Overhead |
| 3/32 | 24-28 | 70-85 | 65-75 |
| 1/8 | 26-30 | 85-110 | 80-90 |
| 5/32 | 28-32 | 110-140 | 100-120 |
| 3/16 | 28-32 | 120-160 | 110-130 |
