ASTM
Specifications |
Allowable Outside
Diameter
Variations in MM |
Allowable Wall
Thickness Variations |
Testing |
|
ASTM A-213 Seamless
Feffitic and austenitic
tubes |
Nominal Diameter
Under 25.4 mm
25.4 - 38.1 inclu
38.1 - 50.8 exclu
50.8 - 63.5 exclu
63.5 - 76.2 exclu
76.2 - 101.6 inclu |
|
Over |
Under |
|
.1016 |
.1016 |
|
.1524 |
.1524 |
|
.2032 |
.2032 |
|
.254 |
.254 |
|
.3048 |
.3048 |
|
.381 |
.381 |
|
%
+20%
-0
+20%
-0
+22%
-0
+22%
-0
+22%
-0 |
Refer to
ASTM
A 450 |
|
ASTM A-249
Welded Heat
exchanger and
condenser tubes |
Under 25.4 mm
25.4 - 38.1 inclu
38.1 - 50.8 inclu
50.8 - 63.5 inclu
63.5 - 76.2 inclu
76.2 - 101.6 inclu |
|
.1016 |
.1016 |
|
.1524 |
.1524 |
|
.2032 |
.2032 |
|
.254 |
.254 |
|
.304 |
.304 |
|
.381 |
.381 |
|
+/-10%
+/-10%
+/-10%
+/-10%
+/-10%
+/-10% |
Refer to
ASTM
- A 450 |
|
ASTM A-269
Seamless and Welded
austentic S.S. Tube |
Up to 12.7 mm
12.7 to 38.1 mm
38.1 to 88.9 mm
88.9 to 139.7 mm
139.7 to 203.2 mm |
|
0.13 |
0.13 |
|
0.13 |
0.13 |
|
0.25 |
0.25 |
|
0.38 |
0.38 |
|
0.76 |
0.76 |
|
+/-15%
+/-10%
+/-10%
+/-10%
+/-10% |
Refer to
ASTM
- A 450 |
|
ASTM A-312
Seamless and Welded
austentic Pipe |
13.72 - 48.26 mm
60.33 - 114.3
141.3 - 219.08
168.28 - 219.08
273.05 - 373.85 |
+/- 0.40 - 0.79
+/- 0.79 - 0.79
+/- 1.59 - 0.79
+/- 1.59 - 0.79
+/- 2.38 - 0.79 |
-12.5% |
Refer to
ASTM
- A 530 |
|
ASTM A-358
Welded austentic Pipe |
219.08 - 750 mm |
+/- 0.5% |
-0.3 mm |
Refer to
ASTM
- A 530 |
|
ASTM A-409
Welded austentic Pipe |
355.6 - 750 mm |
+/- 0.2%
to
+/- 0.4% |
- 0.46 mm |
Refer to
ASTM
- A 530 |
