Strong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — Welding product photo
Strong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — additional product viewStrong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — additional product viewStrong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — additional product viewStrong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — additional product viewStrong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — additional product viewStrong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm)) — additional product view
Welding

Strong Hand Tools CPL45 Pipe Fit-Up Clamp, Pipe Welding Alignment Tools (Pipe Diameter Capacity: 2" ~ 4" (50~100 mm))

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The Strong Hand Tools CPL45 is a lightweight pipe fit-up clamp built for aligning 2-inch to 4-inch round pipe and flanges for butt welding. Its patented sliding-arm F-clamp design opens instantly and positions around the pipe far faster than threaded C-clamps, so fit-up and tack setup take less time on repeated joints. Three stainless-steel contact points and fine-adjustment screws compensate for pipe ovality and mismatch, letting you bring mating edges flush before the root tack, and you can pre-set a diameter for rapid, repeated loading. Because all contact pads and adjustment screws are stainless steel, carbon steel never touches the pipe surface, which makes the CPL45 well suited to stainless and high-purity piping where contamination matters. The body is built from high-strength alloy steel and weighs roughly 2.8 lb (1.3 kg) — up to 75% lighter than standard clamps — reducing arm strain during field and overhead welding. Dual 3.5-inch (89 mm) L-shaped rods form a stable base with a narrow footprint while leaving the joint mostly exposed for root tacks, and the clamp is rated for Schedule 10 through Schedule 40 pipe walls. Brand: Strong Hand Tools; Model: CPL45; Type: Pipe Fit-Up Clamp; Material: Alloy Steel; Color: Metallic; Style: Portable, Round, Compact; Pipe Diameter Capacity: 2 in to 4 in (50 to 100 mm); Contact Points: 3 (stainless steel); Adjustment: Fine-adjustment screws; Arm Type: Patented sliding-arm F-clamp; Rods: Dual 3.5 in (89 mm) L-shaped; Weight: 2.8 lb (1.3 kg); Item Dimensions: 8.5 x 8.5 x 4 in; Item Weight: 2.9 lb; UPC: 679352008721; ASIN: B07B1MVD15.

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Choosing Welding

Which welding accessories matter most?

Fixturing — magnets, clamps, and squares — holds workpieces in alignment so you can tack accurately. Choose a holding force rated above the weight of your stock, and pick multi-angle magnets for common joint geometries such as 45°, 90°, and 135°. Good fixturing reduces distortion and rework.