HEAT RESISTANT TUBES 

      DIMENSION TOLERANCE AS PER ASTM A 1016

        Standard as per ASTM A 213, ASTM A 269 

No
Outside diameter
Wall thickness minimium
inch

 

mm

 

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

inch

(mm)

0.035

(0.89)

0.049

(1.24)

0.065

(1.65)

0.068

(1.73)

0.083

(2.108)

0.095

(2.410)

0.109

(2.77)

0.126

(3.2)

0.147

(3.73)

0.154

(3.91)

0.179

(4.55)

0.203

(5.160)

1
3/8"
9.525
 
 
 
 
 
 
 
 
 
 
 
 
2
1/2"
12.7
 
 
 
 
 
 
 
 
 
 
 
 
3
5/8"
16.875
 
 
 
 
 
 
 
 
 
 
 
 
4
3/4"
19.05
 
 
 
 
 
 
 
 
 
 
 
 
5
1"
25.4
 
 
 
 
 
 
 
 
 
 
 
 
6
1-1/4"
31.75
 
 
 
 
 
 
 
 
 
 
 
 
7
1-3/8"
34.925
 
 
 
 
 
 
 
 
 
 
 
 
8
1-1/2"
38.1
 
 
 
 
 
 
 
 
 
 
 
 
9
1-5/8"
41.275
 
 
 
 
 
 
 
 
 
 
 
 
10
1-3/4"
44.45
 
 
 
 
 
 
 
 
 
 
 
 
11
2"
50.6
 
 
 
 
 
 
 
 
 
 
 
 
12
2-1/4"
57.15
 
 
 
 
 
 
 
 
 
 
 
 
13 2-3/8" 60.3                        
14 2-1/2" 63.5                        
15 2-3/4" 69.85                        
16 3" 76.2                        

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
For sizes 16 to 31.8 the testing can be supplied as 4 Bends with a minimum radius >2D

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