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Hollow bars are cylindrical bars with a hole running along their axis, used in engineering applications where weight reduction is needed without sacrificing structural strength.
AISI 304L, 316L, Duplex 1.4462
Pickling and passivation
According to ISO 2938
Outside diameter: + 2% / – 0 % (minimum: + 1 / – 0 mm)
Inside diameter: + 0% / – 2%.
Thickness: -5%.
2.5 – 6.9 m depending on diameter
32 OD x 16mm ID – 275 OD x 200mm ID
| Dimensión (mm) | Peso (Kg/m) | Dimensión (mm) | Peso (Kg/m) |
|---|---|---|---|
| 5 | 0.2 | 25 | 4.9 |
| 6 | 0.28 | 30 | 7.06 |
| 8 | 0.5 | 35 | 9.61 |
| 10 | 0.78 | 40 | 12.56 |
| 12 | 1.13 | 45 | 15.89 |
| 14 | 1.53 | 50 | 19.62 |
| 15 | 1.76 | 60 | 28.26 |
| 16 | 2 | 70 | 38.46 |
| 18 | 2.54 | 80 | 50.24 |
| 20 | 3.14 | 90 | 63.58 |
| 22 | 3.79 | 100 | 78.5 |
| 23 | 4.15 |
| Medida øext. x øint. | Pared (mm) | Peso teórico (Kg/m) |
|---|---|---|
| 85 x 45 | 20 | 33,7 |
| 90 x 71 | 9,5 | 20,8 |
| 63 | 13,5 | 27,4 |
| 56 | 17 | 32,5 |
| 50 | 20 | 36,4 |
| 95 x 50 | 22,5 | 42,3 |
| 100 x 80 | 10 | 24,6 |
| 71 | 14,5 | 32,6 |
| 63 | 18,5 | 39,5 |
| 56 | 22 | 44,6 |
| 106 x 80 | 13 | 32,5 |
| 71 | 17,5 | 40,8 |
| 63 | 21,5 | 47,4 |
| 56 | 25 | 52,5 |
| 112 x 90 | 11 | 30,4 |
| 80 | 16 | 40,8 |
| 71 | 20,5 | 49,2 |
| 63 | 24,5 | 55,8 |
| 118 x 90 | 14 | 39,2 |
| 80 | 19 | 49,7 |
| 71 | 23,5 | 57,9 |
| 63 | 27,5 | 64,6 |
| 125 x 100 | 12,5 | 38,4 |
| 90 | 17,5 | 50,1 |
| 80 | 22,5 | 60,5 |
| 71 | 27 | 68,9 |
| 132 x 106 | 13 | 42,3 |
| 90 | 21 | 61,6 |
| 80 | 26 | 72 |
| 71 | 30,5 | 80,3 |
| Medida øext. x øint. (mm) | Pared (mm) | Peso Teórico (Kg/m) |
|---|---|---|
| 140 x 112 | 14 | 48,2 |
| 100 | 20 | 63,8 |
| 90 | 25 | 75,4 |
| 80 | 30 | 85,9 |
| 150 x 125 | 12,5 | 47,8 |
| 106 | 22 | 74,7 |
| 95 | 27,5 | 88,3 |
| 80 | 35 | 104,4 |
| 160 x 132 | 14 | 56,6 |
| 122 | 19 | 72,1 |
| 112 | 24 | 86,5 |
| 170 x 140 | 15 | 64,3 |
| 130 | 20 | 80,8 |
| 118 | 26 | 99,1 |
| 180 x 150 | 15 | 68,9 |
| 140 | 20 | 86,6 |
| 125 | 27,5 | 111 |
| 190 x 160 | 15 | 73,5 |
| 150 | 20 | 92,4 |
| 132 | 29 | 123,6 |
| 200 x 160 | 20 | 98,4 |
| 150 | 25 | 117,3 |
| 140 | 30 | 135,2 |
| 212 x 170 | 21 | 109,7 |
| 130 | 41 | 183,3 |
| 224 x 180 | 22 | 121,6 |
| 140 | 42 | 200,2 |
| 236 x 190 | 23 | 134,2 |
| 150 | 43 | 217,6 |
| 250 x 200 | 25 | 153,7 |
| Dimension (mm) | Weight (Kg/m) | Dimension (mm) | Weight (Kg/m) |
|---|---|---|---|
| 5 | 0.2 | 25 | 4.9 |
| 6 | 0.28 | 30 | 7.06 |
| 8 | 0.5 | 35 | 9.61 |
| 10 | 0.78 | 40 | 12.56 |
| 12 | 1.13 | 45 | 15.89 |
| 14 | 1.53 | 50 | 19.62 |
| 15 | 1.76 | 60 | 28.26 |
| 16 | 2 | 70 | 38.46 |
| 18 | 2.54 | 80 | 50.24 |
| 20 | 3.14 | 90 | 63.58 |
| 22 | 3.79 | 100 | 78.5 |
| 23 | 4.15 |
| Size øext. x øint. | Wall (mm) | Theoretical weight (Kg/m) |
|---|---|---|
| 85 x 45 | 20 | 33,7 |
| 90 x 71 | 9,5 | 20,8 |
| 63 | 13,5 | 27,4 |
| 56 | 17 | 32,5 |
| 50 | 20 | 36,4 |
| 95 x 50 | 22,5 | 42,3 |
| 100 x 80 | 10 | 24,6 |
| 71 | 14,5 | 32,6 |
| 63 | 18,5 | 39,5 |
| 56 | 22 | 44,6 |
| 106 x 80 | 13 | 32,5 |
| 71 | 17,5 | 40,8 |
| 63 | 21,5 | 47,4 |
| 56 | 25 | 52,5 |
| 112 x 90 | 11 | 30,4 |
| 80 | 16 | 40,8 |
| 71 | 20,5 | 49,2 |
| 63 | 24,5 | 55,8 |
| 118 x 90 | 14 | 39,2 |
| 80 | 19 | 49,7 |
| 71 | 23,5 | 57,9 |
| 63 | 27,5 | 64,6 |
| 125 x 100 | 12,5 | 38,4 |
| 90 | 17,5 | 50,1 |
| 80 | 22,5 | 60,5 |
| 71 | 27 | 68,9 |
| 132 x 106 | 13 | 42,3 |
| 90 | 21 | 61,6 |
| 80 | 26 | 72 |
| 71 | 30,5 | 80,3 |
| Size øext. x øint. (mm) | Wall (mm) | Theoretical Weight (Kg/m) |
|---|---|---|
| 140 x 112 | 14 | 48,2 |
| 100 | 20 | 63,8 |
| 90 | 25 | 75,4 |
| 80 | 30 | 85,9 |
| 150 x 125 | 12,5 | 47,8 |
| 106 | 22 | 74,7 |
| 95 | 27,5 | 88,3 |
| 80 | 35 | 104,4 |
| 160 x 132 | 14 | 56,6 |
| 122 | 19 | 72,1 |
| 112 | 24 | 86,5 |
| 170 x 140 | 15 | 64,3 |
| 130 | 20 | 80,8 |
| 118 | 26 | 99,1 |
| 180 x 150 | 15 | 68,9 |
| 140 | 20 | 86,6 |
| 125 | 27,5 | 111 |
| 190 x 160 | 15 | 73,5 |
| 150 | 20 | 92,4 |
| 132 | 29 | 123,6 |
| 200 x 160 | 20 | 98,4 |
| 150 | 25 | 117,3 |
| 140 | 30 | 135,2 |
| 212 x 170 | 21 | 109,7 |
| 130 | 41 | 183,3 |
| 224 x 180 | 22 | 121,6 |
| 140 | 42 | 200,2 |
| 236 x 190 | 23 | 134,2 |
| 150 | 43 | 217,6 |
| 250 x 200 | 25 | 153,7 |
| Inches | 1/4 | 3/8 | 1/2 | 3/4 | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 90º elbow with female threads (cast iron) – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 35 | 40 | 53 | 60 | 70 | |||
| E | 21 | 24 | 26 | 33 | 37 | 44 | 48 | 55 | |||
| Inches | 1/4 | 3/8 | 1/2 | 3/4 | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 90º tee with female thread (cast iron) – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 35 | 40 | 50 | 55 | 70 | |||
| L | 40 | 46 | 60 | 70 | 80 | 90 | 102 | 122 | |||
| E | 20 | 23 | 30 | 35 | 40 | 45 | 51 | 61 | |||
| Inches | 1/4 | 3/8 | 1/2 | 3/4 | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Coupling sleeve, male thread and welding – Dimensions in mm | |||||||||||
| D | 13 | 16.5 | 20.7 | 26.2 | 33 | 41.6 | 47.6 | 59.4 | 75 | 87.6 | 113.2 |
| G | 12 | 13 | 14 | 15 | 16 | 18 | 20 | 21 | 23 | 25 | 26 |
| F | 15 | 15 | 16 | 17 | 19 | 20 | 22 | 24 | 25 | 28 | 29 |
| d | 7 | 10 | 14 | 18 | 24 | 32 | 38 | 48 | 65 | 75 | 100 |
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cross with female threads – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 35 | 40 | 50 | 55 | 70 | |||
| E | 20 | 23 | 30 | 35 | 40 | 45 | 51 | 61 | |||
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reduction sleeve, female-female thread – Dimensions in mm | |||||||||||
| D | – | 22 | 28 | 32 | 40 | 50 | 55 | 70 | |||
| F | – | 21 | 21 | 21 | 25 | 25 | 25 | 26 | |||
| G | – | 15 | 15 | 17 | 19 | 21 | 22 | 23 | |||
| d. y r. Depending on the reduction measure | |||||||||||
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Reducing nut male-female thread – Dimensions in mm | |||||||||||
| D (between planes) | – | 20 | 24 | 32 | 36 | 46 | 52 | 64 | – | – | – |
| F | – | 8 | 10 | 10 | 10 | 12 | 13 | 14 | – | – | – |
| G | – | 16 | 16 | 18 | 22 | 26 | 29 | 29 | – | – | – |
| r | Depending on the reduction measure | ||||||||||
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Female threaded sleeve – Dimensions in mm | |||||||||||
| D | 18 | 22 | 28 | 32 | 40 | 50 | 55 | 70 | 85 | 100 | – |
| L | 27 | 28 | 30 | 32 | 35 | 38 | 42 | 45 | 48 | 53 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tap, male thread – Dimensions in mm | |||||||||||
| D (between planes) | 17 | 21 | 25 | 30 | 38 | 50 | 55 | 65 | 80 | 98 | – |
| d | 7 | 10 | 14 | 18 | 24 | 32 | 38 | 48 | 65 | 75 | – |
| F | 4 | 4 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | – |
| G | 12 | 15 | 17 | 18 | 19 | 20 | 22 | 23 | 25 | 27 | – |
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Half link – Dimensions in mm | |||||||||||
| D | 6 | 10 | 14 | 20 | 23 | 31 | 37 | 47 | – | – | – |
| d | 4 | 7 | 10 | 16 | 19 | 27 | 33 | 41 | – | – | – |
| A | 13 | 14 | 23 | 28 | 33 | 38 | 51 | 51 | – | – | – |
| L | 25 | 25 | 36 | 44 | 52 | 62 | 75 | 76 | – | – | – |
| Inches | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Plug, male thread – Dimensions in mm | |||||||||||
| L | 17 | 19 | 23 | 26 | 29 | 33 | 34 | 36 | 42 | 45 | – |
| D | 18 | 25 | 28 | 35 | 40 | 50 | 55 | 70 | 85 | 105 | – |
| A | 9 | 10 | 12 | 14 | 15 | 19 | 19 | 19 | 22 | 25 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Plug, male thread – Dimensions in mm | |||||||||||
| L | 17 | 19 | 23 | 26 | 29 | 33 | 34 | 36 | 42 | 45 | – |
| D | 18 | 25 | 28 | 35 | 40 | 50 | 55 | 70 | 85 | 105 | – |
| A | 9 | 10 | 12 | 14 | 15 | 19 | 19 | 19 | 22 | 25 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hexagonal nut, female thread – Dimensions in mm | |||||||||||
| L | 5 | 5 | 7 | 7 | 8 | 9 | 10 | 10 | 12 | 12 | – |
| D (between faces) | 22 | 27 | 32 | 36 | 46 | 55 | 60 | 75 | 85 | 100 | – |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conical joint coupling, 3 pieces, female thread – Dimensions in mm | |||||||||||
| L | 34 | 40 | 44 | 44 | 50 | 52 | 60 | 67 | 75 | 80 | 97 |
| D (between faces) | 32 | 36 | 44 | 49 | 53 | 68 | 71 | 90 | 108 | 120 | 155 |
| d (between faces) | 19 | 22 | 28 | 32 | 37 | 48 | 52 | 67 | 84 | 95 | 124 |
| 0 | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Conical joint coupling, 3 pieces, male-female thread – Dimensions in mm | |||||||||||
| L | 47 | 56 | 62 | 62 | 70 | 78 | 81 | 99 | 107 | 114 | 133 |
| D (between faces) | 32 | 36 | 44 | 49 | 53 | 68 | 71 | 90 | 108 | 120 | 155 |
| d (between faces) | 19 | 22 | 28 | 32 | 37 | 48 | 52 | 67 | 84 | 95 | 124 |
| A | 13 | 15 | 17 | 18 | 19 | 21 | 23 | 29 | 32 | 34 | 36 |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hose coupling, male thread – Dimensions in mm | |||||||||||
| L | 41 | 45 | 51 | 57 | 63 | 69 | 84 | 90 | 90 | 100 | 104 |
| D | 12 | 15 | 19 | 25 | 30 | 40 | 50 | 50 | 65 | 75 | 100 |
| A | 9 | 9 | 11 | 12 | 15 | 16 | 19 | 19 | 19 | 22 | 25 |
| Inches | 1/4″ | 3/8″ | 01/02″ | 03/04″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sleeve, male thread – Dimensions in mm | |||||||||||
| L | 22 | 28 | 29 | 32 | 35 | 38 | 42 | 45 | 48 | 53 | 55 |
| d | 7 | 10 | 14 | 18 | 24 | 32 | 38 | 48 | 65 | 75 | 100 |