Dimensional Tolerances (MSS) |
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MSS SP-43 |
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90 Elbows |
Reducers |
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Lap-Joint Stub Ends |
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All
Fittings |
45 Elbows |
Lap-Joint |
180
Returns |
Caps |
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Nominal |
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Tees |
Stub Ends |
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Pipe |
Outside |
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Center- |
Back- |
Align- |
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Size |
Diameter |
Wall |
Center-to- |
Overall |
to- |
to- |
ment |
Overall |
Fillet(b) |
Outside |
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at |
Thick- |
End |
Length |
Center |
Face |
of |
Length |
Radius |
Diameter |
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Welding |
ness |
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Ends |
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of Lap |
of Lap |
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End(a) |
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A-B-C-M |
F-H |
O |
K |
U |
E |
A |
G |
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½~1½ |
\0.03
(\0.8) |
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\0.06
(\1.6) |
\0.25
(\6.4) |
\0.25
(\6.4) |
\0.03
(\0.8) |
\0.12
(\3.2) |
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+0 |
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-0.03 |
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2~3½ |
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(+0) |
+0 |
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(-0.8) |
-0.03 |
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Not |
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less |
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(+0) |
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than |
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(-0.8) |
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4 |
87.5% |
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of |
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nominal |
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+0.06 |
thick- |
\0.25
(\6.4) |
+0 |
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5~8 |
-0.03 |
ness |
-0.06 |
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(+1.6) |
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(-0.8) |
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(+0) |
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+0.09 |
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\0.09
(\2.4) |
\0.38
(\9.6) |
\0.06
(\1.6) |
(-1.6) |
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10~18 |
-0.03 |
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+0 |
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(+2.4) |
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-0.06 |
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(-0.8) |
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20~24 |
+0.12 |
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(+0) |
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-0.03 |
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(-1.6) |
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(+3.2) |
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(-0.8) |
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GENERAL NOTE: |
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All dimensions are in inches. Dimensions in
parentheses are in millimeters for reference only. |
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NOTES: |
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(a) Out of roundness is the vector sum of plus and
minus tolerance. |
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(b) Fillet B radius is maximum. See the table on page
15. |
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