| DIMENSIONAL TOLERANCES for FLANGES1 | ||
| Nominal Pipe Size |
Tolerance | |
| Outside Diameter2 | 1/2" - 24" | ±0.06 |
| Hub Diameter3 | 1/2" - 5" | +0.09 / -0.03 |
| 6" - 24" | +0.16 / -0.03 | |
| Overall Length3 | 1/2" - 4" | ± 0.06 |
| 5" - 10" | +.06/-.12 | |
| 12" - 24" | +.12/-.18 | |
| 20" - 24" | +0.19 / -0 | |
| Raised Face Diameter | 1/2" - 24" | ±0.03 |
| Bolt Circle Diameter | 1/2" - 24" | ±0.06 |
| Center to Center of Adjacent Bolt Holes | 1/2" - 24" | ±0.03 |
| Eccentricity
between Bolt Circle Diameter and Machined Facing Diameter |
1/2" - 2 1/2" | ±0.03 |
| 3" - 24" | ±0.06 | |
| Wall Thickness: Weldneck | 1/2" - 24" | Not Less Than 87 1/2% of the Nominal Thickness Specified |
| Inside Diameter: Weldneck and Bore of Socket Weld | 1/2" - 10" | ±0.03 |
| 12" - 18" | ±0.06 | |
| 20" - 24" | +0.12 / -0.06 | |
| Inside
Diameter: Slip on, Lap Joint, Counter Bore of Socket Weld, Counter Bore of Class 300 Threaded |
1/2" - 10" | +0.03 / -0 |
| 12" - 24" | +0.06 / -0 | |
ALL DIMENSIONS ARE
IN INCHES
1 - IN ACCORDANCE WITH ASME/ANSI B16.5
2 - NO TOLERANCE IS SPECIFIED IN B16.5
3 - NO TOLERANCE FOR SLIP ON, SOCKET WELD, THREADED
AND LAP JOINT IS SPECIFIED IN B16.5
| GRADE 1 | CHEMICAL REQUIREMENTS 2,3 | |||||||||
| C | Mn | P | S | Si | Ni | Cr | Mo | N | Cu | |
| F304L | .030 | 2.00 | .045 | .030 | 1.00 | 8.0 - 13.0 | 18.0 - 20.0 | - | .10 | - |
| F304 | .08 | 2.00 | .045 | .030 | 1.00 | 8.0 - 11.0 | 18.0 - 20.0 | - | .10 | - |
| F304H | .04 - .10 | 2.00 | .045 | .030 | 1.00 | 8.0 - 11.0 | 18.0 - 20.0 | - | - | - |
| F316L | .030 | 2.00 | .045 | .030 | 1.00 | 10.0 - 15.0 | 16.0 - 18.0 | 2.00 - 3.00 | .10 | - |
| F316 | .08 | 2.00 | .045 | .030 | 1.00 | 10.0 - 14.0 | 16.0 - 18.0 | 2.00 - 3.00 | .10 | - |
| F316H | .04 - .10 | 2.00 | .045 | .030 | 1.00 | 10.0 - 14.0 | 16.0 - 18.0 | 2.00 - 3.00 | - | - |
| MECHANICAL REQUIREMENTS 24 | ||||||||||
| GRADE 1 | YIELD STRENGTH PSI |
MECHANICAL STRENGTH PSI |
ELONGATION % |
REDUCTION OF AREA % |
||||||
| F304L | 25,000 | 70,000 | 30 | 50 | ||||||
| F304 | 30,000 | 75,000 | 30 | 50 | ||||||
| F304H | 30,000 | 75,000 | 30 | 50 | ||||||
| F316L | 25,000 | 70,000 | 30 | 50 | ||||||
| F316 | 30,000 | 75,000 | 30 | 50 | ||||||
| F316H | 30,000 | 75,000 | 30 | 50 | ||||||
1 -
OTHER GRADES/ALLOYS ARE AVAILABLE ON APPLICATION
2 - IN ACCORDANCE WITH ASTM A182 AND ASME SA 182
3 - MAXIMUM UNLESS A RANGE IS SPECIFIED
4 - MINIMUM
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