Short Description

Model No.: UNS-N08020-SMLS-60-Degree-Elbow-DN65-SCH40S

China Elbow Manufacturer www.ugsteelmill.com offers ASTM B366 UNS N08020 SMLS 60 Degree Long Radius Elbow, DN65, SCH40S.

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Key Specifications / Features

Type: 60 Degree Long Radius 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
Mechanical Properties
Annealed Material
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.

2018718814883575 - ASTM B366 UNS N08020 SMLS 60 Degree Long Radius Elbow DN65 SCH40S

Dimensions Butt Weld Elbows 60° degree pipe elbow- ASME B16.9
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

2018718816185779025 - ASTM B366 UNS N08020 SMLS 60 Degree Long Radius Elbow DN65 SCH40S

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.

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