Stainless Steel Slip On Flange

QS Flange: Wuxi Stainless Steel So Flange

Slip on flange in stainless steel for lines where carbon steel would rust, welded over the pipe end with two fillet welds.

Quantity

Contact Now

add to cart

One-Minute Overview

Slip on flange in stainless steel, welded over the pipe end.
Grade stays open until the medium and the welding procedure are known.
Two fillet welds carry the thrust and seal the bore.
Chosen where carbon steel would rust in the product or in the air.

A stainless steel slip on flange does the same job as a carbon steel one, but takes the corrosion duty off the maintenance budget: the flange slides over the pipe end, is tacked square, and gets a fillet weld at the hub and a second one inside the bore. The pipe passes through the flange first, so the joint forgives a short or slightly angled cut and the fitter can rotate the flange until the bolt holes line up with the mating flange.

Which stainless grade is right is a question about the medium, not a catalogue default: chlorides, acidity, temperature and whether the outside sees washdown or coastal air all move the choice, so the grade is confirmed per inquiry rather than assumed. Two practical points decide how the joint lasts. First, stainless welds need shielding and cleaning; heat tint left on the face is where pitting starts, so pickling or passivating the welded area is part of the job. Second, stainless bolts gall when they are run down dry, so lubricate the threads and torque in a cross pattern. Slip on flanges suit utility water, food and beverage lines, washdown areas and light chemical service at moderate pressure. Size, pressure class and facing are confirmed per inquiry, and detailed specifications are available on request.

FAQ

Q1. Which stainless grade will I actually get?

The grade is set with your inquiry, from the medium, the temperature and the weld procedure you will use. We confirm it with you rather than assume a default, because the wrong grade is the one failure mode that no amount of good welding will fix.

Q2. Why does the weld area need pickling or passivating?

Welding burns away the chromium oxide layer and leaves heat tint on and around the bead. That tint is where pitting corrosion starts in stainless, so the area is cleaned and passivated to rebuild the oxide film before the line goes into service.

Q3. Are stainless bolts a good idea on a stainless flange?

They match the corrosion duty, but stainless threads gall easily when tightened dry. Use an anti seize lubricant rated for the service, run the nuts down by hand first, and torque in stages so the gasket compresses evenly instead of one side taking the load.

Q4. How long will production take?

Standard sizes are typically ready within 30 days, and in-stock items ship immediately. Larger or custom orders get a confirmed date per order, because the schedule depends on quantity, material, the bolt pattern you specify, and how busy production is at the moment you order.

Send Message