TOKO AWS A5.4 E316-16 Welding Electrode
TOKO AWS A5.4 E316-16 is an austenitic stainless steel welding electrode with molybdenum addition. The "E316" classification indicates a composition with approximately 17-20% chromium, 11-14% nickel, and 2-3% molybdenum, providing exceptional corrosion resistance, particularly against chlorides and acids. The "-16" suffix denotes a lime-titania coating, suitable for AC or DC+ polarity and all-position welding.
Key Advantages
- Superior Corrosion Resistance: Excellent resistance to pitting and crevice corrosion in chloride environments.
- Molybdenum Enhancement: 2-3% molybdenum content provides enhanced resistance to chemical corrosion.
- High-Temperature Performance: Maintains strength and corrosion resistance at elevated temperatures.
- Versatile Applications: Suitable for a wide range of chemical and marine environments.
- All-Position Welding: Excellent performance in flat, horizontal, vertical, and overhead positions.
Classification & Specification
- AWS Classification: Compliant with AWS A5.4 E316-16 standards.
- Coating Type: Lime-titania coating for AC or DC+ polarity.
- Molybdenum-Enhanced Composition: 17-20% chromium, 11-14% nickel, 2-3% molybdenum.
Common Applications
- Chemical processing equipment
- Pharmaceutical manufacturing
- Marine and coastal applications
- Pulp and paper industry equipment
- Food processing equipment
- Heat exchangers and condensers
- Pollution control equipment
Technical Specifications
Chemical Composition
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 17-20% |
| Nickel (Ni) | 11-14% |
| Molybdenum (Mo) | 2-3% |
| Carbon (C) | ≤ 0.08% |
Welding Parameters
| Parameter | Specification |
|---|---|
| Current Type | AC or DC+ (reverse polarity) |
| Welding Positions | All-position (flat, horizontal, vertical, overhead) |
| Preheating | Generally not required; avoid excessive heat input |
Performance Characteristics
- Arc Stability: Excellent arc characteristics with smooth operation.
- Slag Removal: Easy slag detachment for efficient welding.
- Corrosion Resistance: Superior resistance to pitting and crevice corrosion.
- Chemical Resistance: Excellent performance in acidic and chloride environments.
Storage & Handling
- Storage: Keep in dry conditions to prevent moisture absorption.
- Rebaking: Required if electrodes are exposed to humidity.
- Heat Treatment: Generally not required for thin sections.
Technical Documentation
✅ TOKO AWS A5.4 E316-16 welding electrode is a versatile, all-position stainless steel electrode featuring molybdenum-enhanced composition and lime-titania flux coating. Designed for AC/DC welding, it offers exceptional corrosion resistance, particularly in chloride environments, making it ideal for chemical, marine, and pharmaceutical applications.