Lincoln Excalibur 630-16 is an AWS A5.4/A5.4M E630-16 SMAW stick electrode family with 135 ksi minimum (post-aging) tensile and AC or DC+, all positions operation. WeldingMart stocks 4 package and diameter variants of this grade, all sharing the same AWS classification - select the diameter and package format that fits your application below.
E630-16 is an AWS A5.4 precipitation-hardening stainless SMAW electrode with 135 ksi minimum post-aging tensile and ~16.5 Cr / 4.75 Ni / 3.4 Cu chemistry (matching 17-4 PH / UNS S17400). Designed for welding 17-4 PH and similar martensitic precipitation-hardening stainless grades used in aerospace, valve, and pump components where high strength plus corrosion resistance is required. Post-weld solution treatment (1900 deg F) and aging (H900-H1150) are required to reach full mechanical properties. Runs on AC or DC+ in all positions.
| AWS classification | AWS A5.4/A5.4M E630-16 |
|---|---|
| Minimum tensile | 135 ksi minimum (post-aging) |
| Polarity / position | AC or DC+, all positions |
| Available diameters | 3/32 in through 1/4 in (varies by package) |
| Package formats | see size variants below |
- Brand-authorized distributor - factory-fresh stock, full warranty pass-through
- Multiple diameter and package variants in stock - select the SKU below that matches your job
- US warehouse fulfillment, 1 business day ship time
- 30-day returns on unopened cartons