Solid Wall Stainless Steel Casting Flasks

Premium Solid Wall Stainless Steel Casting Flasks Upgrade your casting process with our premium solid wall casting flasks, engineered specifically for high-temperature casting applications. These flasks are meticulously crafted from high-quality Grade 304 stainless steel, ensuring exceptional durability, corrosion resistance, and longevity even under the most demanding workshop conditions. Unlike standard fabricated flasks, our solid wall flasks are machined directly from seamless tubing. This means there is absolutely no seam weld to fail or warp under extreme thermal stress. The robust 14-gauge wall thickness provides superior structural integrity, maintaining a perfect shape cast after cast. Whether you are casting jewelry, small mechanical parts, or artistic sculptures, these flasks deliver the reliability and precision required for professional results. Material: Premium Grade 304 Stainless Steel Construction: Seamless tube design (No seam weld) Thickness: Heavy-duty 14-gauge wall thickness Application: Ideal for high-temperature investment casting Available in a wide variety of diameters and heights to suit your specific casting needs. Select your required size from the dropdown menu. SKU Size (D x L) Material Gauge Diameter (in) Diameter (mm) Length (in) Length (mm) FLS-0225 2 x 2.5 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 2" 50.8 mm 2.5" 63.5 mm FLS-2525 2.5 x 2.5 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 2.5" 63.5 mm 2.5" 63.5 mm FLS-2530 2.5 x 3 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 2.5" 63.5 mm 3" 76.2 mm FLS-2535 2.5 x 3.5 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 2.5" 63.5 mm 3.5" 88.9 mm FLS-2540 2.5 x 4 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 2.5" 63.5 mm 4" 101.6 mm FLS-0330 3 x 3 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 3" 76.2 mm 3" 76.2 mm FLS-0340 3 x 4 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 3" 76.2 mm 4" 101.6 mm FLS-0350 3 x 5 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 3" 76.2 mm 5" 127.0 mm FLS-3530 3.5 x 3 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 3.5" 88.9 mm 3" 76.2 mm FLS-3540 3.5 x 4 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 3.5" 88.9 mm 4" 101.6 mm FLS-3550 3.5 x 5 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 3.5" 88.9 mm 5" 127.0 mm FLS-0440 4 x 4 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 4" 101.6 mm 4" 101.6 mm FLS-0450 4 x 5 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 4" 101.6 mm 5" 127.0 mm FLS-0460 4 x 6 304 Stainless Steel 14 ga (~0.083 in / 2.11 mm) 4" 101.6 mm 6" 152.4 mm