KATBAK CERAMIC BACKING BAR 1X1 TILE 7/16 NO GROOVE
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KATBAK Ceramic Backing Bar – 1x1 Tile, 7/16", No Groove (Model 1G42-FR)
Achieve clean, consistent, full-penetration welds with the KATBAK 1G42-FR Ceramic Backing Bar, a 1x1 tile-style ceramic weld backing designed for single-pass welding applications where a smooth, groove-free root bead is required. Built for durability and precision, this ceramic backing tile supports the molten weld pool from beneath the joint, controlling penetration and preventing burn-through on butt welds, pipe welds, and structural fabrication seams.
Key Features:
- Tile Style: 1x1 configuration for flexible placement along straight or contoured joints
- Thickness: 7/16" (0.4375") — engineered for standard plate and pipe welding thicknesses
- No Groove Design: Flat backing surface (no center groove) produces a flush, smooth root pass ideal for applications that don't require a raised bead profile
- High-Temperature Ceramic Construction: Withstands intense arc heat without cracking or warping, ensuring repeatable weld quality pass after pass
- Reusable & Cost-Effective: Durable ceramic material holds up across multiple welding cycles, reducing consumable costs versus one-time-use backing materials
- Precise Fit-Up: Tile segments conform to joint geometry for tight, gap-free backing on both flat and curved workpieces
Ideal Applications:
- Pipe and tube welding (single-side access)
- Structural steel fabrication
- Pressure vessel and tank fabrication
- Shipbuilding and heavy plate welding
- Any GMAW, FCAW, or SAW application requiring controlled root-pass penetration without backgouging
Why Choose KATBAK Ceramic Backing Bars: KATBAK ceramic backing tiles eliminate the need for backgouging and back-welding, saving labor time while improving root-pass consistency. The 7/16" no-groove profile is purpose-built for welders and fabricators who need a flat, uniform backing surface for high-quality, code-compliant welds on the first pass.
Product Specifications:
| Attribute | Detail |
|---|---|
| Model | 1G42-FR |
| Style | 1x1 Tile |
| Thickness | 7/16" |
| Groove | None (Flat/No Groove) |
| Material | High-temp ceramic |

| A | 6.3 mm |
| B | 25.4 mm |
| C | 25.4 mm |
| D | 4.8 mm |