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Specifications |
Allowable Outside Diameter Variations in mm |
Allowable Wall Variations in % |
Exact length Tolerances in mm |
Testing |
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ASTMA-213 Seamless Ferritic & Austenitic steel, Boiler & Superheater Tubes & Austenitic steel Heat Exchanger Tubes |
Diameter
|
Over
|
Under
|
Over
|
Under
|
Over
|
Under
|
• Tension Test
• Flattening Test
• Flare Test
• Hardness Test
• 100% Hydrostatic Test or NDT
|
|
Under 25.4 25.4-38.1 incl. 38.1-50.8 excl. 50.8-63.5 encl. 63.5-76.2 excl. 76.2-101.6 incl. |
0.1016
0.1524
0.2032
0.2540
0.3048
0.3810
|
0.1016
0.1524
0.2032
0.2540
0.3048
0.3810
|
20
20
22
22
22
22
|
0
0
0
0
0
0
|
3.175
3.175
3.175
3.760
4.760
4.760
|
0
0
0
0
0
0
|
||
|
ASTMA-249 Welded Austenitic steel Boiler, Superheater, Heat Exchanger & Condenser Tubes |
Under 25.4 25.4-38.1 incl. 38.1-50.8 excl. 50.8-63.5 excl. 63.5-76.2 excl. 76.2-101.6 incl. |
0.1016
0.1524
0.2032
0.2540
0.3048
0.3810
|
0.1016
0.1524
0.2032
0.2540
0.3048
0.3810
|
10
10
10
10
10
10
|
10
10
10
10
10
10
|
3.175
3.175
3.175
4.760
4.760 4.760
|
0
0
0
0
0
0
|
• Tension Test
• Flattening Test
• Flange Test
• Reverse Bend Test
• Hardness Test
• 100% Hydrostatic Test or NDT
|
|
ASTMA-269 Seamless & Welded austenitic steel tubing for general service |
Under 12.7 12.7-38.1 excl. 38.1-88.9 excl. 88.9-139.7 excl. 139.7 203.2 excl. |
0.13
0.13
0.25
0.38
0.76
|
0.13
0.20
0.25
0.28
0.38
|
15
10
10
10
10
|
15
10
10
10
10
|
3.2
3.2
4.8
4.8
4.8
|
0
0
0
0
0
|
• Flare Test (Seamless only)
• Hardness Test
• Flange Test (Welded only)
• Reverse Flattening Test (Welded only)
• 100% Hydrostatic Test or NDT
|
|
ASTMA-270 Seamless & Welded austenitic steel for Sanitary Tubing |
Under 2504
2504 to 50.8 excl.
50.8 to 76.2 excl.
76.2 to 101.6 excl.
|
0.13
0.20
0.25
0.38
|
0.13
0.20
0.25
0.38
|
12.5
12.5
12.5
12.5
|
12.5
12.5
12.5
12.5
|
3.2
3.2
3.2
3.2
|
0
0
0
0
|
• Reverse Flattening Test
• 100% Hydrostatic Test or NDT
• External polish on all tubes
• Refer to ASTM A-270
|
|
ASTMA-312 Seamless, Welded & Heavily Cold worked Austenitic SS Pipes |
1/8 to 21/2 incl.,
a II t/D ratios
3 to 18 incl.,
t/D up to 5 % incl.
3 to 18 incl.,
t/D> 5 %
|
0.40
0.80
1.60
|
0.80
0.80
0.80
|
20.0
22.5
15.0
|
12.5
12.5
12.5
|
6.35
6.35
6.35
|
0
0
0
|
• Tension Test
• Flattening Test
• 100% Hydrostatic Test or NDT
• Refer to ASTM A- 999
|
|
ASTMA-688 Welded Feed water heater 'U'Tubes |
Under 38.10 mm |
0.1016
|
0.1016
|
+20
+10
|
-10
(For Avg. Walk thk)
-0
(for Min. Walk thk)
|
3 to 13
|
0
|
• Tension Test
• Flattening Test
• Flange Test
• Reverse Bend Test
• Hardness Test
• Reverse Flattening Test
• 100% Hydrostatic Test or NDT
• Air under water test
|
| EN 10216 - 5 | Stainless Steel Tubes for High Pressure Applications |
| EN 10217-7 | Stainless Steel Welded Tubes for High Pressure Applications |
| EN 10297 - 2 | Stainless Steel Tubes for General Applications |
| EN 10296 - 2 | Stainless Steel Welded Tubes for General Applications |
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