Tube & Pipe Laser Cutting

Tube laser cutting machines transform how structural steel connections are fabricated. Instead of hand-marking, band-saw cutting, and manual fitting, a tube laser produces precisely coped, mitered, and slotted tube ends ready for direct welding — from a 3D CAD model in minutes.

Quick Answer

Structural tube lasers handle profiles from 20mm to 400mm diameter (or equivalent RHS/SHS) with wall thickness up to 12mm. Machines like the BLM LT7, Trumpf TruLaser Tube 7000, and Mazak FabriGear offer automated bundle loading, 3D bevel cutting, and direct import from Tekla/SDS-2 structural models.

Tube Laser Validation Path

A tube laser purchase should be validated against the actual profile mix, BIM export quality, bevel requirements, handling length, and weld-fit tolerance. Do not size the machine only from maximum diameter.

1. Classify the profile family before quoting capacity

Separate CHS, RHS, SHS, channel, angle, and open profiles by envelope, wall thickness, and minimum batch length. Use the workspace matcher to check whether long stock, bundle loading, and finished part length fit the cell.

2. Validate coping and bevel geometry from model data

Export real Tekla, SDS/2, or STEP samples and prove cope cuts, miters, slots, holes, and weld preps survive post-processing. Pair this with beam connection detailing before releasing fabrication jobs.

3. Price cycle time with rotation and handling included

Tube jobs include chuck indexing, seam orientation, unloading, part sorting, and remnant handling. Use the cutting time calculator and cost calculator so cut-to-cut speed does not overstate throughput.

4. Tie edge quality to weld-fit acceptance

Define dross, angularity, bevel mismatch, hole position, and fit-up gap limits for each connection class. Use edge quality standards and compare thick connection plates on the thick plate processing page.

Profile Types & Capabilities

Profile	Size Range	Wall Thickness	Power	Typical Speed
CHS (round tube)	Ø30–400mm	2–12mm	4–10kW	2–15 m/min
RHS (rectangular)	30×30–300×200mm	2–10mm	4–10kW	2–18 m/min
SHS (square)	30×30–250×250mm	2–10mm	4–10kW	2–18 m/min
Channel / L-angle	50–300mm	3–15mm	6–12kW	1–10 m/min
IPE/HEA beams	80–600mm	Web + flange	6–15kW	Varies by cut

Cut Types for Structural Connections

Standard Cuts

• Square cut: Standard end preparation
• Miter: Angled cuts for frame joints
• Coped end: Saddle-shaped cut for tube-to-tube joints
• Slot/notch: For bolted connections and gussets
• Holes: Bolt holes drilled during cutting pass

Advanced 3D Cuts

• Weld prep bevel: V, Y, or K prep at 30–45°
• Multi-branch joint: Multiple tubes meeting at one node
• Crown cut: Decorative exposed connections
• Fish-mouth: Tube end shaped to wrap around another tube
• Slotted tab: Insert + weld construction