I Also make a 2 7/8, 11 ga, 6 bar  by order       &a mp;n bsp;       & ;nbs p;            

 1 " sq 20’ft X43" 14 ga 5 bars 125 lbs  

1.312 OD 21' X 53" sch 40 .124 wall, 6 bar  230 lbs

1 ¼ sq 22’ x 53” .065 wall 6 bar 130 lbs

1 ¼ sq 22 x 43”  .065 wall 5 bar 110 lbs    

1.660 OD 21 'X 53 sch 40 .130 wall, 6 bar   300 lbs

1.66 O 21’X 53 “sch 10 .096 wall 6 bar 240 lbs   

1.900 OD 21' X 53" sch 40 .135 wall, 6 bar   340 lbs   

!.900 OD 21'X 53" sch 10 .096 wall  6 bar   285 lbs   

2 3/8 OD " 21 'x 53" sch 10 .096 wall  6 bar 320 lbs