Trumpf 3040 10k Laser

Metro Boiler Tube is currently stocking SA 36, SA 387 Gr11, SA 387 Gr22, SA 240 304/304L SS, SA 240 309 SS, 240 310SS, Inconel 625, And Many Other Specs of plate to provide our customers with quick turn around, high tolerance (width +/- .005") custom sized membrane bar for easily maintaining water wall panel widths and tube spacing due to weld shrinkage and tube ovality issues. We can provide you with Laser Cut Bar, Sheared And Sized Bar, Keyhole Bar, and Sawcut Bar. This Bar Can Be Preped, Beveled And Bent Ready For fabrication.

Laser Cut Membrane Bar

Laser cut membrane Bar Used In 
                                boiler water wall fabrication.
Laser cut membrane bar.
Laser cut keyhole bar 
                                 used as membrane on boiler tubing.

Metro Boiler Tube can cut custom width membrane bar (+/-.005") for your water wall panels to help maintain your tube spacing and panel widths due to weld shrinkage and tube ovality issues after welding. With our new Trumpf 10k Laser we can respond with a quick turnaround on large orders. Please feel free to contact us with your inquiries and questions about our capablities to provide custom sized membrane bar.

Laser cutting boiler 
                                 membrane bars have a tight tolerance enabling better control of you membrane boiler widths.

Material In Stock

  • SA 36
  • SA 387 Gr 11
  • SA 387 Gr 22
  • SA 240 304/304L SS
  • SA 240 309 SS
  • SA 240 310 SS

Metro Boiler Tube is currently providing our customers with quick turn around, high tolerance (width +/- .005") custom sized membrane bar for easily maintaining water wall panel widths and tube spacing due to weld shrinkage and tube ovality issues.

Sheared Sized Bar


Metro Boiler Tube is also currently stocking sheared coil in 1/4" SA 36. This coil can be sized down to (-.015") from the original width Holding A (+/-.005") Tolerance.

​Sheared Bar Inventory All Membrane Coil is 1/4" SA 36 Available In The Widths Below (+/-.005") And Can Be Sized Under Up To .015"

1/4 inch A36 sheared and 
                                         sized bar is a cheaper option for maintaining membrane panel widths.
Membrane bar sizer allows is to resize and 
                                         straighten sheared membrane bar Down to 0.015 of the original width.

​Sheared Bar Inventory


  • 0.500"
  • 0.515"
  • 0.740"
  • 0.770"
  • 0.9375"
  • 0.9688"
  • 0.990"
  • 1.015"
Sheared membrane bar as recieved in a coil 
                                 prior to sizong and straightening.

Sawcut/Keyhole Membrane Bar


Metro Boiler Tube is currently stocking plate to provide a quick turn around on custom sized keyhole bar.

Standard dimensions for our laser cut keyhole 
                             membrane bar. We are able to provide custom bar as well with your provided dimensions.

Typ Keyhole Bar Detail

Custom keyhole bar (SAW) Submerges Arc 
                                 Welded to a 2 inch SA210 A1 boiler tube.
Keyhole membrane bar as it come of the laser 
                                 ready for welding.

Membrane Bending / Rolling

Metro Boiler Tube can roll, bend, and form loose membrane in our shop to fit your tubes saving time in fitup in the field.


SA387 Grade 11 bent keyhole bar.
Custome SA36 bent membrane bar with 
                                 relief cut to accomodate the swaging of te tube.

Formed membrane bars.
Bent membrane bar being checked for accuracy 
                                 on a full scale layout.

Contact Us

Kevin Phillips - Metro Boiler Tube Mechanical Division

Kevin Phillips

Fabricated Mechanical Sales

Emergency Work


Our Shop Stay Active 7 Days A Week And We Have An Emergency Number With On Call Employees To Handle Any After Hours Emergency Work.

We Have The Ability To Arrange Hot Shot Drivers For Quick Deliveries On Nights And Weekends.

Emergency / After Hours Contacts

(762) 887-0408
emergency@metroboilertube.com



Membrane Bar Options


  • Laser Cut Membrane (Width +/-.005")
  • Sheared / Sized Membrane (Width +/-.005")
  • Keyhole Membrane Bar
  • Stock Bar
  • Bar Bending
  • Bar Beveling