|
Threaded, Socket-Welding, Slip-on, Lap Joint & Blind |
Outside
Diameter |
When
OD is 24"
or Less |
±
1/16" (1.6mm) |
|
When OD is
Over 24" |
± 1/8" (3.2mm) |
|
Inside
Diameter |
Threaded |
Within limits on
Boring gauge |
Socket-Welding,
Slip-on & Lap Joint |
10"
& Similar
+ 1/32" (0.8mm),-0"
12" & Larger
+ 1/16" (1.6mm),-0" |
Outside
Diameter
of Hub |
5"
& Similar |
+
3/32" (2.4mm)
- 1/32" (0.8mm) |
| 6"
&
Larger |
+
5/32" (4.0mm)
- 1/32" (0.8mm) |
Diameter
of Contact
Face |
1/16"
Raised Face |
±
1/32" (0.8mm) |
1/4"
Raised Face
Tongue & Groove
Male, Female |
±
1/64" (0.4mm) |
Diameter
of
Counterbore |
Same as for
Inside Diameter |
|
Drilling |
Bolt
Circle |
± 1/16" (1.6mm) |
| Bolt
hole spacing |
± 1/32" (0.8mm) |
Eccentricity
of
Bolt circle with
Respect to facing |
2½"
& Similar
+ 1/32" (0.8mm)max
3" & Larger
+ 1/16" (1.6mm)max |
Eccentricity
of
Bolt circle with
Respect to Bore |
+
1/32"(0.8mm)max |
Eccentricity
of
Facing with
Respect to Bore |
+
1/32"(3.2mm)max |
| Thickness |
18"
& Smaller |
+
1/8"(0.8mm), -0" |
| 20"
& Larger |
+
3/16"(4.8mm), -0" |
Length
Thru Hub |
10"
& Smaller |
±
1/16" (1.6mm) |
| 12"
& Larger |
± 1/8"
(3.2mm) |
|
|
|
Welding
Neck |
Outside
Diameter |
When OD
is 24"
or Less |
± 1/16"
(1.6mm) |
|
When OD is
Over 24" |
± 1/8" (3.2mm) |
|
Inside
Diameter
|
10" &
Smaller |
± 1/32"
(0.8mm) |
| 12"
thru 18 " |
± 1/16"
(1.6mm) |
| 20" &
Larger |
+ 1/8"
(3.2mm)
- 1/16" (1.6mm) |
Diameter
of Contact
Face |
1/16"
Raised Face |
±
1/32" (0.8mm) |
1/4"
Raised Face
Tongue & Groove
Male, Female |
±
1/64" (0.4mm) |
Diameter
of Hub
at Base |
When Hub
Base is
24" or Smaller |
± 1/16"
(1.6mm) |
When Hub
Base is
Over 24" |
±
1/8" (3.2mm) |
Diameter of
Hub at Point
of Welding |
5"
& Similar |
+
3/32" (2.4mm)
- 1/32" (0.8mm) |
| 6"
&
Larger |
+
5/32" (4.0mm)
- 1/32" (0.8mm) |
|
Drilling |
Bolt
Circle |
± 1/16" (1.6mm) |
| Bolt
hole spacing |
± 1/32" (0.8mm) |
Eccentricity
of
Bolt circle with
Respect to facing |
2½"
& Similar
+ 1/32" (0.8mm)max
3" & Larger
+ 1/16" (1.6mm)max |
Eccentricity
of
Bolt circle with
Respect to Bore |
+
1/32"(0.8mm)max |
Eccentricity
of
Facing with
Respect to Bore |
+
1/32"(3.2mm)max |
| Thickness |
18"
& Smaller |
+
1/8"(0.8mm), -0" |
| 20"
& Larger |
+
3/16"(4.8mm), -0" |
Length
Thru Hub |
10"
& Smaller |
± 1/16"
(1.6mm) |
| 12"
& Larger |
± 1/8"
(3.2mm) |
|
