E630-16
Class: E630-16
AWS: A5.4
Conforms to Certification: AWS A5.4 | ASME SFA 5.4
Weld Process: Shielded Manual Metal Arc
| AWS Chemical Composition Requirements | |
| C = 0.05 max | Si = 0.75 max |
| Cr = 16.0 – 16.75 | P = 0.04 max |
| Ni = 4.5 – 5.00 | S = 0.03 max |
| Mo = 0.75 max | Mn = 0.25 – 0.75 |
| Cu = 3.25 – 4.0 | Nb + Ta = 0.15 – 0.30 |
Application
DURAMAX E630-16 premium electrode is specially designed for producing 17Cr – 4.5Ni and 3.5Cu weld deposit precipitation-hardening stainless steels. DM630-16 is designed for weld metal and is modified to prevent the formation of ferrite networks in the martensite microstructure which could have a deleterious effect on mechanical properties. This electrode offers the combined characteristics of a strong, corrosion resistant, electrode gives machinable weld metal.
Redry the electrode at 250°C for 60 minutes prior to use.
| Deposited Chemical Composition % (Typical) | ||
| C = 0.024 | Cr = 16.55 | Ni = 4.76 |
| Si = 0.59 | Mn = 0.64 | P = 0.023 |
| S = 0.007 | Mo = 0.04 | Cu = 3.34 |
| Nb + Ta =0.21 | ||
| Deposited All Weld Metal Properties% (PWHT 630°C/4hrs) |
|
| (Typical) As-Welded | |
| Tensile Strength | 93,000 psi min |
| Yield Strength | 73,000 psi min |
| Elongation | 10% min |
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 |