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YESWELDER Silicon Aluminum Welding Wire, ER4043
✅ In stock
F
Grade
Analysis Confidence
59%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 12:18 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
💤 Not a Deal- 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
- 📉It has been quite a while since a more competitive price was available, lending today's offer solid comparative value.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
0/20
Deal Strength
0/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
YESWELDER
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓ER4043 WELDING WIRE: A premium 5% silicon aluminum (AlSi5) filler metal designed for the MIG welding process. This composition delivers excellent fluidity and wetting characteristics, making it ideal for welding a wide range of aluminum alloys. It features a melting range of 1065°F to 1170°F, a density of 0.097 lbs/in³, and produces a consistent gray finish after anodizing.
✓EXCELLENT PERFORMANCE: The addition of silicon significantly enhances fluidity and wetting action, making this alloy a preferred choice among welders. It also improves crack resistance, ensuring a durable, long-lasting bond. The wire offers good corrosion resistance and is renowned for producing smooth, clean welds with minimal spatter.
✓VERSATILE APPLICATIONS: Whether you’re tackling metal fabrication, auto repair, equipment maintenance, or DIY projects, this versatile welding wire delivers professional results every time.
✓MATERIAL COMPATIBILITY: Suitable for welding various grades of aluminum, including 3003, 3004, 5052, 6061, 6063, as well as casting alloys such as 43, 355, 356, and 214.
✓STRONG SPOOL: The wire is supplied on a robust spool constructed from a new ABS plastic material. This spool is highly durable, tough, and anti-fragile, ensuring it withstands the rigors of transportation and operates flawlessly within the welding machine.
✓SPECIFICATION: Weight:1 lb / Diameter:.035 inch.
⚙️ Specifications
YESWELDER
ER4043/1LB-0.9
1 pounds
4.37 x 4.33 x 2.05 inches
ER4043/1LB-0.9
0.035-inch 1LB
Aluminum
1
1
No
Manufacturer
YESWELDER
Part Number
ER4043/1LB-0.9
Item Weight
1 pounds
Package Dimensions
4.37 x 4.33 x 2.05 inches
Item model number
ER4043/1LB-0.9
Size
ER4043
