Roller Tube

QS Pipe: Roller Tube China Manufacturer

Roller tube for shutter drums, 1-4 inch and 1.5-6 m, in galvanized steel, Q235 or stainless steel, with custom wall and end work.

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One-Minute Overview

Tube that forms the winding body of a rolling shutter drum.
1 to 4 inch diameters, 1.5 to 6 m lengths, cut to suit the opening.
Galvanized steel, Q235 carbon steel or stainless steel to suit the site.
Custom wall thickness, holes and end treatment available on request.

A roller tube is the shell the curtain wraps around inside a rolling shutter assembly. Straight, round and evenly walled, it lets the slats stack without drift and keeps the drive quiet through thousands of cycles. This roller tube comes in 1 to 4 inch diameters and lengths from 1.5 to 6 m, in galvanized steel, Q235 carbon steel or stainless steel, so the same tube family covers a shopfront shutter, a warehouse door and a fire-rated partition.

Name: Roller Tube
Type: Roll-Formed Welded Tube
Size: 1 Inch - 4 Inch
Length: 1.5 m - 6 m
Material: Galvanized Steel / Q235 / Stainless Steel
Application: For Roller Shutter
Feature: Customized Service Available
Bore, wall thickness, length and surface finish are confirmed per inquiry, and a detailed specification sheet is available on request.

Choose the material by the room the door lives in. Galvanized steel gives solid corrosion protection at a modest cost and suits most covered commercial openings. Q235 carbon steel is the economical structural option and takes paint well, which is fine for dry indoor service. Stainless steel is for humid sites, washdown areas and mildly corrosive rooms where maintenance visits are expensive. Wall thickness follows the curtain weight and the opening width, and custom work covers wall, hole pattern and end treatment to suit your brackets and drive.

Installation rules are the same for all three materials: roll the tube on a flat floor before mounting, keep both brackets level, and seal the cut ends. The coating on a galvanized tube stops at the saw cut, so bare ends are where rust starts if nobody paints them. In service, watch the ends and the drive-side fitting for the first signs of corrosion or looseness, and keep the curtain centred so wear stays even. A few minutes at installation buys years of quiet operation.

FAQ

Q1. Galvanized, Q235 or stainless steel — which should I pick?

Match the material to the environment. Galvanized steel gives good corrosion protection at a modest cost for covered commercial openings. Q235 carbon steel is the economical structural choice with a painted finish. Stainless steel suits humid, washed-down or mildly corrosive sites. Wall and length are confirmed per inquiry.

Q2. Why does rust start at the ends of my roller tube?

Because cut ends expose bare metal. The coating on a galvanized tube stops at the saw cut, and if that end is not sealed with anti-rust paint, moisture creeps inward along the wall. A few minutes of sealing at installation prevents years of spreading rust.

Q3. Can the tube be drilled for my drive setup?

Yes, that is what the customized service covers. Hole patterns, wall thickness and end treatment can be matched to your brackets and drive. Send the drawing or the sample dimensions and the tubes come back ready to assemble.

Q4. What's the minimum I can order?

Standard flange insulation gasket kits start at one set, and standard gaskets, studs, washers and sleeves start at one piece. Kits made to your drawing or for a non-standard bolt pattern are quoted individually, because the minimum really depends on the material and the tooling involved.

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