Specification
|
Allowable
Outside Diameter Variation in mm
|
Allowable
Wall
|
Exact
Length
|
Testing
|
|
Nominal
Diameter
|
Over
|
Under
|
Over%
|
Under%
|
Over%
|
Under%
|
|
ASTM A-213
|
Under 25.4
|
|
.1016
|
.1016
|
+20
|
-0
|
3.175
|
0
|
Tension Test
|
Seamless Boiler
|
25.4
|
38.1 incl.
|
.1524
|
.1524
|
+20
|
-0
|
3.175
|
0
|
Flattening Test
|
Super
heater and
heat Exchanger tubes
|
38.1
|
50.8 excl.
|
.2032
|
.2032
|
+22
|
-0
|
3.176
|
0
|
Flaring Test
|
50.8
|
63.5 excl
|
0.254
|
.254
|
+22
|
-0
|
3.76
|
0
|
Hardness Test
|
63.5
|
76.2 excl
|
.3048
|
.3048
|
+22
|
-0
|
4.76
|
0
|
100% Hydrostatic test
|
76.2
|
101.6 incl
|
.381
|
.381
|
+22
|
-0
|
4.76
|
0
|
Refer to ASTM-450
|
ASTM A-249
|
Under 25.4
|
|
.1016
|
.1016
|
+10
|
-10
|
3.175
|
0
|
Tension Test
|
Welded Boiler
|
25.4
|
38.1 incl.
|
.1524
|
.1524
|
+10
|
-10
|
3.175
|
0
|
Flattening Test
|
Super
heater and
heat Exchanger
Condenser tubes
|
38.1
|
50.8 excl.
|
.2032
|
.2032
|
+10
|
-10
|
3.175
|
0
|
Flaring Test
|
50.8
|
63.5 excl.
|
.254
|
.254
|
+10
|
-10
|
4.76
|
0
|
*Reverse Bend Test
|
63.5
|
76.2 excl.
|
.3048
|
.3048
|
+10
|
-10
|
4.76
|
0
|
Hardness Test
|
76.2
|
101.6 incl.
|
.381
|
.381
|
+10
|
-10
|
4.76
|
0
|
100% hydrostatic test
|
|
|
|
|
|
Minimum
wall tubes+
18%-0 available on request
|
|
|
Reverse
flattening test refer
to ASTM-450
*Wherever applicable
|
|
|
|
|
|
|
|
ASTM A-269
|
Up to 12.7
|
|
.13
|
.13
|
+15
|
-15
|
3.2
|
0
|
Flare Test (Seamless Tube)
|
Seamless
and Welded
Tubing for General
Service
|
12.7
|
38.1 excl.
|
.13
|
.13
|
+10
|
-10
|
3.2
|
0
|
Flange Test (Welded only)
|
38.1
|
88.9 excl
|
.13
|
.13
|
+10
|
-10
|
4.8
|
0
|
Hardness Test
|
88.9
|
139.7 excl
|
.38
|
.38
|
+10
|
-10
|
4.8
|
0
|
Reverse
Flattening test
100% Hydrostatic Test
Refer to ASTM-450
|
139.7
|
203.2 excl
|
.76
|
.76
|
+10
|
-10
|
4.8
|
0
|
ASTM A-270
|
25.4
|
|
.05
|
.02
|
+12.5
|
-12.5
|
3.2
|
0
|
Reverse Flattening test
|
Seamless
and
Welded
|
38.1
|
|
.05
|
.20
|
+12.5
|
-12.5
|
3.2
|
0
|
100 Hydrostatic test
|
50.8
|
|
.05
|
.28
|
+12.5
|
-12.5
|
3.2
|
0
|
External
Polish on all
tubes refer to
ASTM-450
|
Sanitary Tubing
|
63.5
|
|
.05
|
.28
|
+12.5
|
-12.5
|
3.2
|
0
|
|
76.2
|
|
.08
|
.30
|
+12.5
|
-12.5
|
3.2
|
0
|
|
101.6
|
|
.08
|
.38
|
+12.5
|
-12.5
|
3.2
|
0
|
ASTM A-312
|
13.7
|
48.3 incl
|
.4
|
.8
|
Minimum
Value
12.5% under nominal wall
Specified
|
6.4
|
0
|
Tension Test
|
Seamless
and
Welded Pipe
|
48.3
|
114.3 incl
|
.8
|
.8
|
6.4
|
0
|
Flattening Test
|
114.3
|
219.18 incl
|
1.6
|
.8
|
6.4
|
0
|
100% Hydrostatic Test
|
|
|
|
|
|
|
|
(
Normally Random
Length ordered)
|
Refer to
ASTM A-450
|
|
|
|
|
|
|
|
ASTM A-268
|
Under 12.7
|
|
.13
|
.13
|
+15
|
-15
|
3.2
|
0
|
Tension Test
|
Seamless and
|
12.7
|
38.1 excl.
|
.13
|
.13
|
+10
|
-10
|
3.2
|
0
|
Flaring test, flange test
|
Welded Ferritic
|
38.1
|
88.9 excl.
|
.25
|
.25
|
+10
|
-10
|
4.8
|
0
|
(ERW
only) hardness test
Reverse flattening test
100% hydrostatic test,
Refer to ASTM A-450
|
Stainless Steel Tubes
|
88.9
|
168.3 excl
|
.38
|
.38
|
+10
|
-10
|
4.8
|
0
|
ASTM A-358
for welded big
Diameter Pipe
|
For all Size
|
|
+0.5%
|
-0.5%
|
|
-0.3
|
Customer's
|
Transverse tension test
|
| 5" NB and
|
|
|
|
|
Min
|
Specification
|
Transverse guided bend test
|
Above
|
|
|
|
|
|
|
|
Hydostatic test radiographic
examination (as specified)
dye penetrant (optional)
|
ASTM A-688
for welded feed
|
Under 25.4 mm
|
|
.1016
|
.1016
|
+20
|
-0(for min wall thk
|
3 to 13
|
0
|
Tension, Hardness,
corrosion, reversebend,
|
|
|
|
|
|
|
|
|
Water heater 'U'
tube
|
|
|
|
|
+10
|
-10 (for Avg. wall thk)
|
|
|
Flange, Flattening,
Hydrostatic test, Pneumatic
test, Non Destructive test
|
|
|
|
|
|
|
|
|
ASTM A -409
|
Wall thickness
|
|
0.2% |
0.2%
|
0.46mm |
0.46mm
|
Less than
|
9 to
|
Bend Test
|
Welded Large
|
<4.8mm+0.2%
|
|
0.4%
|
0.4%
|
|
|
<NPS22"
|
12'
|
Hydro Test
|
Diameter
Austenitic Steel pipe
|
>4.8mm + 0.2%
|
|
<1.5% of O/D
|
|
|
|
_NPS22"
|
min 5'ft.
|
|
Quality
|
|
|
|
|
|
|
|
|
ASTM A-778
|
As per table 1
|
12.5%
|
12.5%
|
RI 10ft>
F16 meter
-0mm
|
3 meter
+6mm
|
Transverse Tension test
|
Austenitic Stainless
Steel Tubuler Product
|
Welded Unannealed of ASTM A - 530
|
|
|
Transverse guided bend.
|
