Sun Wukong titanium pipe fittings material grades, dimenions and tolerance
Titanium tubes and accessories supplier
Hengze Industry Co., Ltd.

Dimension, tolerance and bevelling for Titanium Pipe Fittings


Before you buy titanium pipe fittings, the basic knowledge you  should know is Titanium fittings dimension, tolerance, material grade, bevelling.

Titanium Pipe Fittings Dimensions:

titanium elbows




Dimensions of Titanium Elbows and Returns   ASME/ANSI B16.9   
Nominal Pipe Size (NPS) Outside Diameter Bevel D Center to End Center to Center   Back to Faces
45° Elbows 90° Elbows 180° Elbows
B A P K
Long Radius Long Radius Short Radius Long Radius Long Radius Long Radius Long Radius
1/2 21.3 15.7 38.1 / 76.2 / 47.8 /
3/4 26.7 19.1 38.1 / 76.2 / 50.8 /
1 33.4 22.4 38.1 25.4 76.2 50.8 55.6 41.1
1-1/2 42.2 25.4 47.8 31.8 953 63.6 69.9 52.3
1-3/4 48.3 28.4 57.2 38.1 114.3 76.2 82.6 62
2 60.3 35.1 76.2 50.8 152.4 101.6 106.4 51
2-1/2 70.3 44.5 95.3 63.5 190.5 127 131.8 100.1
3 88.9 50.8 114.3 76.2 228.6 152.4 158.8 120.7
3-1/2 101.6 57.2 133.4 88.9 266.7 177.8 184.2 139.7
4 1143 63.5 152.4 101.6 304.8 203 209.6 158.8
5 141.3 19.2 190.5 127 381 254 261.9 196.9
6 1683 95.3 228.6 152.4 457.2 304.8 312.7 236.5
8 219.1 127 304.8 203.2 609.6 406.4 414.3 312.7
10 273.1 158.8 381 254 762 508 517.7 390.7
12 323.9 190.5 457.2 304.8 914.4 609.6 619.3 466.9
14 355.6 222.3 533.4 355.6 1066.8 711.2 711.2 533.4
16 406.4 254 609.6 406.4 1219.2 812.8 812.8 609.6
20 508 317.5 762 508 1524 1016 1016 762
22 558.8 342.9 838.2 558.8 1676.4 1117.6 1117.6 838.2
24 609.6 381 914.4 609.6 1828.8 1219.2 1219.2 914.4
26 660.4 406 990.6 / / / / /
28 711.2 438.2 1066.8 / / / / /
30 762 469.9 1143 / / / / /
32 812.8 501.7 1219.2 / / / / /
34 863.6 533.4 1295.4 / / / / /
36 914.4 565.2 1371.6 / / / / /
38 965.2 599.9 1447.8 / / / / /
40 1016 632 1524 / / / / /
42 1066.8 660.4 1600.2 / / / / /
44 1117.6 695.5 1676.4 / / / / /
46 1168.4 726.9 1752.6 / / / / /
48 1219.2 758.9 1828.8 / / / / /

Titanium Pipe Fittings Material Grade

Titanium Pipe Fittings Chemical Composition
CHEMICAL COMPOSITION ASTM B363
(Max. Values) WPT-1 WPT-2 WPT-5 WPT-7 WPT-9 WPT-12 WPT-23
N. Nitrogen 0.03 0.03 0.05 0.03 0.02 0.03 0.03
C. Carbon 0.1 0.1 0.1 0.1 0.05 0.08 0.08
H. Hydrogen 0.015 0.015 0.0125 0.015 0.013 0.015 0.0125
Fe. Iron 0.2 0.3 0.4 0.3 0.25 0.3 0.25
O. Oxygen 0.18 0.25 0.2 0.25 0.12 0.25 0.13
Pd. Palladium       0.12-0.25      
Al. Aluminum     5.5-6.75   2.5-3.5   5.5-6.5
Mo. Molybdenum           0.2-0.4  
V. Vanadium     3.5-4.5   2.0-3.0   3.5-4.5
Ni. Nickel           0.6-0.9  
Ti. Titanium Bal. Bal. Bal. Bal. Bal. Bal. Bal.


Titanium Pipe Fittings Tolerance:



1. General tolerance for all titanium pipe fittings of ASME B16.9

titanium pipe fittings tolerance

NPS

DN

O.D

I.D

Off Angle, Q

Off Plane, P

1/2~2-1/2

15~65

+1.6, -0.8

±0.8

±1

±2

3~3-1/2

80~90

±1.6

±1.6

±2

±4

4

100

±1.6

±1.6

±3

±5

5~8

125~200

+2.4, -1.6

±1.6

±3

±6

10~18

250~450

+4.0, -3.2

±3.2

±4

±10

20~24

500~600

+6.4, -4.8

±4.8

±5

±10

26~30

650~750

+6.4, -4.8

±4.8

±5

±13

32~48

800~1200

+6.4, -4.8

±4.8

±5

±19

*All dimensions are in mm unit. NPS: Nominal Pipe Size; DN: Nominal Diameter.
*O.D: outside diameter at bevel; I.D: inside diameter at end; Both P & Q are angularity tolerances.
*A minimum wall thickness of 87.5% should apply unless otherwise specified by the purchaser.

2. Tolerances of Center-to-End & Overall Length Dimensions

NPS

DN

*I

*II

*III

*IV

1/2~2-1/2

15~65

±2

±3

±2

±3

3~3-1/2

80~90

±2

±3

±2

±3

4

100

±2

±3

±2

±3

5~8

125~200

±2

±3

±2

±6

10~18

250~450

±2

±3

±2

±6

20~24

500~600

±2

±3

±2

±6

26~30

650~750

±3

±6

±5

±10

32~48

800~1200

±5

±6

±5

±10

*All dimensions are in mm unit.
*I refers to the tolerances for center-to-end dimensions of 90° & 45° long and short radius elbows and tees, A, B, C, M.
*II refers to the tolerances for center-to-end dimensions of 3D radius elbows, A, B.
*III refers to the tolerances for overall length of reducers and lap joint stub ends, F, H.
*IV refers to the tolerances for overall length of caps, E.

3. Tolerances for 180° Returns & Lap Joint Stub Ends

NPS

DN

180° Return

Lap Joint Stub Ends

inch

mm

O

K

U

G

R

T

1/2~2-1/2

15~65

±6

±6

±1

+0, -1

+0, -1

+1.6, -0

3~3-1/2

80~90

±6

±6

±1

+0, -1

+0, -1

+1.6, -0

4

100

±6

±6

±1

+0, -1

+0, -2

+1.6, -0

5~8

125~200

±6

±6

±1

+0, -1

+0, -2

+1.6, -0

10~18

250~450

±10

±6

±2

+0, -2

+0, -2

+3.2, -0

20~24

500~600

±10

±6

±2

+0, -2

+0, -2

+3.2, -0

*All dimensions are in mm unit.
*O: center-to-center dimensions; K: back-to-face dimensions; U: alignment of ends.
*G: outside diameter of lap; R: fillet radius of lap; T: Lap thickness.


Titanium Pipe Fittings Bevelling

There are three types of ends for titanium pipe fittings,  they are flat ends, plain bevelling ends and compound bevelling ends. the bevellings are classified by wall thickness for ttanium pipe fittings.

1. for titanium pipe fittings wall thickness less than 3mm, titanium pipe fittings can be supplied with  flat ends.

2. for wall thickness 3mm-22mm, titanium pipe fittings supplied with 37.5 degrees bevelling at ends with 1.5mm root face.

3. for wall thickness more than 22mm, titanium pipe fittings supplied with 10 deg. and 37.5 deg, bevelling with 1.5mm root face


titanium pipe fittings bevelling

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