ROUND PIPE SIZE CHART


ERW or Seamless Round Pipe
Standards:
ASTM A 53, ASTM A 106
Grades: A, B

 
Nom. Size OD Size (IN) WT Sch./Weight Class   Nom. Size OD Size (IN) WT Sch./Weight Class
1/2" 0,840 .109" 40 (STD) 10" 10,750 .219"  
3/4" 1,050 .113" 40 (STD) .250"  
1" 1,315 .133" 40 (STD) .279"  
1 1/4" 1,660 .140" 40 (STD) .307"  
1 1/2" 1,900 .145" 40 (STD) .344"  
2" 2,375 .125"   .356" 40 (STD)
.141"   12" 12,750 .250"  
.154" 40 (STD) .281"  
0,172   .312"  
.188"   .330"  
.203"   .344"  
3" 3,500 .125"   .375"  (STD)
.156"   14" 14,000 .250"  
.188"   .281"  
.216 40 (STD) .312"  
3 1/2" 4,000 .125"   .330"  
.141"   .344"  
.156"   .375" 30 (STD)
.172"   16" 16,000 .312"  
.188"   .344"  
.226" 40 (STD) .375" 30 (STD)
4" 4,500 .125"   .438"  
.156"   .469"  
.188"   .500" 40 (XS)
.219"   18" 18,000 .344"  
.237" 40 (STD) .375" (STD)
5" 5,563 .188"   .406"  
.219"   .438" 30
.258" 40 (STD) .469"  
6" 6,625 .172"   .500" (XS)
.188"       .562"  40
.203"   20" 20,000 .344"  
.219"   .375" 20 (STD)
.250"   .406"  
.280" 40 (STD) .438"  
8" 8,625 .219"   .469"  
.250"   .500" 30 (XS)
.277"       .594"  40
.312"  
.322" 40 (STD)