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Condensed ASTM Specification

Specification Allowable Outsite
Diameter Variations
in (mm)		 Allowable Wall
Thickness Variantions		 Exact Lengh
Tolerances in(mm) 		Testing
 
Nominal Diameter Over Under
Over % Under % Over Under
 
ASTM A -213
Superheater
and Heat
Exchange
Tubes
Under 25.4 0.1016 0.1016
25.4 - 38.1 incl 0.1524 0.1524
38.1 - 50.8 excl 0.2032 0.2032
50.8 - 63.5 encl 0.2540 0.2540
63.5 - 76.2 excl 0.3048 0.3048
76.2 - 88.9 incl 0.3810 0.3810
+ 20 0 3.175 0
+ 20 0 3.175 0
+ 22 0 3.176 0
+ 22 0 3.760 0
+ 22 0 4.760 0
+ 22 0 4.760 0
Tension Test
Flattening Test
Flare Test,Hardness Test
100% Hydrostatic Test
Refer to ASTM
A - 450
ASTM A -249
Welded Bolier Super heater,
Heat Exchanger and Conderser
Tubes
Under 25.4 0.1016 0.1016
25.4 - 38.1 incl 0.1524 0.1524
38.1 - 50.8 excl 0.2032 0.2032
50.8 - 63.5 encl 0.2540 0.2540
63.5 - 76.2 excl 0.3048 0.3048
76.2 - 88.9 incl 0.3810 0.3810
+10 -10 3.175 0
+10 -10 3.175 0
+ 10 -10 3.176 0
+ 10 -10 4.760 0
+ 10 -10 4.760 0
+ 10 -10 4.760 0
Tension Test
Flattening Test
Flare Test,Hardness Test
Reverse Bend Test
100% Hydrostatic Test
Reverse Flattening Test
Refer to ASTM A - 450
-Wherever Applicable
ASTM A -269
Welded Tubing for Gereral Services
Under 12.7 0.13 0.13
12.7 - 38.1 incl 0.12 0.13
38.1 - 88.9 excl 0.25 0.25
+ 15 -10 3.2 0
+10 -10 3.2 0
+ 10 -10 4.8 0
Flare Test
Flange Test (Welded Only)Hardness Test
Reverse Flattening Test ( Welded Only)
100% Hydrostatic Test
Refer to ASTM - 269
ASTM A -270
Welded Sanitary
Tubing
25.4 0.05 0.20
38.1 0.05 0.20
50.8 0.05 0.28
63.8 0.05 0.28
76.2 0.08 0.30
+ 12.5 -12.5 3.2 0
+ 12.5 -12.5 3.2 0
+ 12.5 -12.5 3.2 0
+ 12.5 -12.5 3.2 0
+ 12.5 -12.5 3.2 0
Reverse Flattening Test
100% Hydrostatic Test
External Polish on all Tubes Refer to ASTM A -270
ASTM A - 312
Welded Pipe
13.7 - 48.3 incl. 0.40 0.80
48.3 - 114.3 incl 0.80 0.80
Minimum Wall 12.5% under nominal Wall Specified 6.4 0
6.4 0
(Normally Random Lengths Ordered)
Tensile Test
Flattening Test
100% Hydrostatic Test
Refer to ASTM A - 530
ASTM A - 554
Welded Tube and Sanitary
Tube
Under 25.4 0.25 0.25
25.4-38.1 0.20 0.25
38.1-50.8 excl. 0.25 0.20
50.8-63.5 encl 0.30 0.30
63.5-76.2 excl 0.36 0.36
76.2-88.9 incl 0.51 0.51
+ 10 -10 4.80 0
+ 10 -10 4.80 0
+ 10 -10 4.80 0
+ 10 -10 4.80 0
+ 10 -10 4.80 0
+ 10 -10 4.80 0
       
Flattening Test Flare Test, Hardness Test More Tests as per customer's requirements Refer to ASTM A - 554