Round Pipe Size Chart


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

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