ASTM B366 UNS N08020 SMLS 60 Degree LR Elbow 2-1/2 Inch SCH40S
Short Description
Model No.: UNS-N08020-SMLS-60-Degree-LR-Elbow-2-1/2-Inch-SCH40S
China Elbow Manufacturer www.steeljrv.com offers ASTM B366 UNS N08020 SMLS 60 Degree LR Elbow, 2-1/2 Inch, SCH40S.
Key Specifications / Features
Type: UNS N08020 60 Degree Elbow
Material: Alloy 20 (UNS N08020/WP20CB)
Degree: 60 Degree
Size: 2 1/2″ (DN65)
Standard: ASME B16.9, THK: Sch40S
Ends: BW
Chemical Composition, % of Alloy 20 (UNS N08020)
Ni
|
Fe
|
Cr
|
Cu
|
Mo
|
Nb
|
---|---|---|---|---|---|
32.00-38.00
|
Balance
|
19.0-21.0
|
3.0-4.0
|
2.0-3.0
|
8xC-1.0max
|
C
|
Mn
|
P
|
S
|
Si
|
|
---|---|---|---|---|---|
.07max
|
2.0max
|
.045max
|
.035max
|
1.0max
|
|
In what applications is Alloy 20 used?
- Synthetic rubber manufacturing equipment
- Processing of pharmaceuticals, plastics and organic and heavy chemicals
- Tanks, piping, heat exchangers, pumps, valves, and other process equipment
- Acid cleaning and pickling equipment
- Chemical process piping, reactor vessels
- Bubble caps
- Petrochemical process equipment
- Food and dye production
ASTM Specifications
Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate |
Bar
|
Forging | Fitting |
---|---|---|---|---|---|---|---|
B729 | B464 | B729 | B468 | B463 |
B473
|
B462 | B366 |
Form | Tensile Min. | Yield Min. (.2% offset) | Elongation Min. | Reduction of Area Min. |
---|---|---|---|---|
Bar (hot or cold finished) | 80 ksi | 35 ksi | 30% | 50% |
Sheet/Plate
|
80 ksi
|
35 ksi
|
30%
|
–
|
*Incoloy® is a registered trademark of Special Metals Corporation group of Companies.
NPS |
O.D. D |
Center-to-End A |
1 | 33.4 | 25 |
11/4” | 42.2 | 32 |
11/2” | 48.3 | 38 |
2” | 60.3 | 51 |
21/2” | 73 | 64 |
3” | 88.9 | 76 |
31/2” | 101.6 | 89 |
4” | 114.3 | 102 |
5” | 141.3 | 127 |
6” | 168.3 | 152 |
8 | 219.1 | 203 |
10” | 273 | 254 |
12” | 323.8 | 305 |
14” | 355.6 | 356 |
16” | 406.4 | 406 |
18” | 457 | 457 |
20” | 508 | 508 |
22” | 559 | 559 |
24” | 610 | 610 |
DIMENSIONAL TOLERANCES OF BUTT WELD ELBOWS 60° DEGREE ASME B16.9
Nominal Pipe Size | 1/2 to 21/2” | 3 to 3 1/2” | 4 | 5 to 8 | 10 to 18 | 20 to 24 | 26 to 30 | 32 to 48 |
Outside Diameter at Bevel (D) |
+ 1.6 – 0.8 |
1.6 | 1.6 |
+ 2.4 – 1.6 |
+ 4 – 3.2 |
+ 6.4 – 4.8 |
+ 6.4 – 4.8 |
+ 6.4 – 4.8 |
Inside Diameter at End | 0.8 | 1.6 | 1.6 | 1.6 | 3.2 | 4.8 |
+ 6.4 – 4.8 |
+ 6.4 – 4.8 |
Center-to-End (A) | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 5 |
Wall Thickness (t) | Not less than 87.5% of Nominal Wall Thickness |
Calculate elbow center to end dimension for 4 inch nominal pipe diameter elbow at 60 degree angle, cut from 90 degree LR elbow.
From ASME B16.9, center to elbow dimension for 4 in elbow is 152 mm.
Length = Tan (60/2) X 152
Length = 0.57735027 X 152
Length = 87.757 i.e. 88 mm Approx.