--- product_id: 224908269 title: "- Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g)" brand: "wyunway" price: "$42.24" currency: USD in_stock: true reviews_count: 9 category: "Wyunway" url: https://www.desertcart.us/products/224908269-special-flux-in-solder-wire-for-soldering-stainless-steel-brass store_origin: US region: United States of America --- # Requires 60W+ soldering iron or blowtorch Lead-free, eco-friendly alloy 0.8mm precision diameter - Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) **Brand:** wyunway **Price:** $42.24 **Availability:** ✅ In Stock ## Summary > 🔥 Solder Smarter, Not Harder — The Ultimate Flux-Infused Wire for Pros ## Quick Answers - **What is this?** - Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) by wyunway - **How much does it cost?** $42.24 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/224908269-special-flux-in-solder-wire-for-soldering-stainless-steel-brass) ## Best For - wyunway enthusiasts ## Why This Product - Trusted wyunway brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Portable 100g Wire Spool:** Compact and easy to carry—perfect for on-the-go repairs and projects - • **Precision 0.8mm Diameter:** Ideal thickness for detailed, professional plumbing and metalwork - • **Built-In Special Flux Power:** Flux integrated for cleaner, stronger joints—no extra paste needed - • **All-in-One Multi-Metal Mastery:** Seamlessly solder stainless steel, brass, copper & iron with one wire - • **Eco-Conscious Lead-Free Formula:** Safe for you and the environment without compromising strength ## Overview This 100g, 0.8mm diameter solder wire features a lead-free 99.3% tin and 0.7% copper alloy with special flux integrated, designed for high-performance soldering on stainless steel, brass, copper, and iron. Ideal for professional plumbing and metal repairs, it requires a 60W+ soldering iron or blowtorch and ensures clean, durable joints without additional flux application. ## Description Product description soldering stainless steel, iron sheets, etc, multi-functional solder wire Special Flux in solder wire 1、soldering stainless steel, iron sheets, Copper，etc., multi-functional solder wire 2、99.3%Sn-0.7%Cu ,Lead-free solder wire, Special Flux in solder wire 3、Diameter: 0.8mm, weight: 100g 4、You need to prepare: more than 60 watts of soldering iron and sandpaper 5、Operation method:Clean the surface of stainless steel before welding or polish it better.Use a 60-watt electric iron to heat the stainless steel for a few seconds, and this tin wire can be added to finish soldering. SIZE Sn99.3Cu0.7 solder wire, Special Flux in solder wire Diameter: 0.8mm, weight: 100g Scope of soldering * stainless steel, * iron sheets, * brass, * Lithium battery 、18650 battery * Copper sheet、cooper pipe Lithium battery 18650 battery Stainless steel pipe Copper sheet stainless steel sweat cooper pipe Review: Perfect for Stainless Steel. - Had a Stanley cup which the handle broke off. Stanley replaced the cup but didn’t have the same color so figured I would try to fix the old one. Epoxy wouldn’t hold so thought about soldering it on. After some research found I needed a specific solder to do the job. This worked perfectly and the handle has be securely reattached. Review: Trabaja muy bien - Si me sirvió para proyectos pequeños ## Features - Lead-free solder wire, Special Flux in solder wire,Ideal for soldering brass and copper plumbing joints - soldering stainless steel, iron sheets, copper,etc., multi-functional solder wire - You need to prepare: It is best to use a blowtorch for soldering or more than 60 watts of soldering iron and sandpaper - Operation method:Clean the surface of stainless steel before welding or polish it better.Use a 60-watt electric iron to heat the stainless steel for a few seconds, and this tin wire can be added to finish soldering. - Easy to use and carry ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B085XBRXLV | | Best Sellers Rank | #66,112 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #144 in Solder | | Brand | wyunway | | Brand Name | wyunway | | Color | Silver | | Customer Reviews | 4.5 out of 5 stars 128 Reviews | | Included Components | TIN | | Item Type Name | solder wire | | Item Weight | 99 Grams | | Manufacturer | HXH WYUNWAY | | Material | 100g 0.8mm | | Material Type | 100g 0.8mm | | Model | tslead-free | | No. of wires | 1 | | Number Of Wires | 1 | | Number of Cable Strands | 10 | | Strands | 10 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** wyunway - **Color:** Silver - **Material:** 100g 0.8mm - **No. of wires:** 1 - **Number of Cable Strands:** 10 ## Images ![- Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) - Image 1](https://m.media-amazon.com/images/I/71G4-ghYwjL.jpg) ![- Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) - Image 2](https://m.media-amazon.com/images/I/61DhIn0JvFL.jpg) ![- Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) - Image 3](https://m.media-amazon.com/images/I/51lwqHVwQcL.jpg) ![- Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) - Image 4](https://m.media-amazon.com/images/I/619rwYsUF3L.jpg) ![- Special Flux in Solder Wire, for Soldering Stainless Steel, Brass and Copper Plumbing, Iron Sheets, Solder Wire (100g) - Image 5](https://m.media-amazon.com/images/I/618hM8uo-1L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect for Stainless Steel. *by D***A on December 7, 2025* Had a Stanley cup which the handle broke off. Stanley replaced the cup but didn’t have the same color so figured I would try to fix the old one. Epoxy wouldn’t hold so thought about soldering it on. After some research found I needed a specific solder to do the job. This worked perfectly and the handle has be securely reattached. ### ⭐⭐⭐⭐⭐ Trabaja muy bien *by S***E on February 16, 2026* Si me sirvió para proyectos pequeños ### ⭐⭐⭐⭐⭐ Good *by D***E on December 31, 2025* Good --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/224908269-special-flux-in-solder-wire-for-soldering-stainless-steel-brass](https://www.desertcart.us/products/224908269-special-flux-in-solder-wire-for-soldering-stainless-steel-brass) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-11*