A stainless steel reducing cross is a type of pipe fitting that allows for the connection of four pipes of different sizes. It has a cross-shaped design with one inlet and three outlets, each with a different diameter size. The reducing cross is made of stainless steel, which gives it excellent durability and corrosion resistance, making it suitable for use in harsh industrial environments. It is commonly used in piping systems that require the merging or splitting of fluid flow from multiple sources. The reducing cross is available in different sizes and configurations to meet specific application requirements.
Specifications of Reducing Cross
| Tallas | Cruz igual para tubos sin costura (1/2″~24″), cruz igual para tubos ERW / soldados / fabricados (1/2″~48″) |
| Normas | ANSI – B 16.9, ASTM A403 – ASME SA403 – ‘Especificación estándar para accesorios de tubería de acero inoxidable austenítico forjado’, API 590-605, ASME B16.9 – ‘Accesorios de soldadura a tope forjados fabricados en fábrica”, ASME B16.25 – ‘Extremos para soldadura a tope’, ASME B16.28 – ‘Codos y retornos de radio corto de acero forjado para soldadura a tope’, MSS SP-43 – ‘Accesorios forjados y fabricados para soldadura a tope para aplicaciones de baja presión y resistentes a la corrosión’ |
| Dimensiones | ASME/ANSI B16.9, MSS-SP-43 Tipo A, MSS-SP-43 Tipo B, JIS B2312, JIS B2313, ASME B16.28 |
| Espesor | Gama 5S, 10S, 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS, etc. |
| Radio de curvatura | R = 1D – 10D, 15D, 20D
|
| De | Unequal Cross, Reducing Cross, Pipe Cross, Butt weld Unequal Cross. |
| Calificaciones&Materiales | ASTM A403 WP316/316L, ASTM A403 WP304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L, ASTM A234, ASME SA234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 y WPHY 70. ASME SA234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91, ASTM A815, ASME SA815, UNS n.º S31803, S32205, S32750, S32950, ASTM B336, ASME SB336, Níquel 200 (UNS n.º 2200), Níquel 201 (N.º UNS N02201), Monel 400 (N.º UNS N04400), Monel 500 (N.º UNS N05500), Inconel 800 (N.º UNS N08800), Inconel 825 (N.º UNS N08825), Inconel 600 (N.º UNS N06600), Inconel 625 (N.º UNS N06625), Inconel 601 (N.º UNS N06601), Hastelloy C 276 (N.º UNS N10276), Alloy 20 (N.º UNS N08020), titanio (Grado I y II), cuproníquel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe.
|
| Tipo | Soldadura a tope (BW) / Sin costura / Soldado / ERW / Fabricado |
| Recubrimiento / Tratamiento de superficies | Pintura antioxidante, pintura negra al aceite, transparente amarillo, zincado, galvanizado en frío y en caliente |
Manufacturing Standards of Buttweld Reducing Cross
| Norma ASME | ASME/ANSI B16.9, ASME/ANSI B16.28, MSS-SP-43 |
| Norma DIN | DIN 28011, DIN 2617, DIN 2616, DIN 2615, DIN 2605 |
| Norma EN | EN 10253-2, EN 10253-1 |
| ASME B16.25 | Extremos para soldadura a tope |
| ASME B16.9 | Accesorios forjados de fabricación industrial para soldadura a tope |
| ASME B16.28 | Wrought Steel Unequal Cross |
| ASTM A403 – ASME SA403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
| MSS SP-43 | Wrought & Fabricated Butt-Welding Fitting for Low Pres |
Dimensions of Reducing Cross

Stainless Steel Reducing Cross Stainless Steel Reducing Cross Drawing
| Diámetro nominal | Diámetro exterior | Center to End | |||||
| D1 | D2 | ||||||
| DN | NPS | Serie A | Serie B | Serie A | Serie B | C | M |
| 150 × 90 | 6 × 3,5 | 168.3 | – | 101.6 | – | 143 | 127 |
| 150 × 80 | 6×3 | 168.3 | 159 | 88.9 | 89 | 143 | 124 |
| 150 × 65 | 6 × 2,5 | 168.3 | 159 | 73.0 | 76 | 143 | 121 |
| 200×200 | 8×8 | 219.1 | 219 | 219.1 | 219 | 178 | 178 |
| 200 × 150 | 8×6 | 219.1 | 219 | 168.3 | 159 | 178 | 168 |
| 200 × 125 | 8×5 | 219.1 | 219 | 141.4 | 133 | 178 | 162 |
| 200 × 100 | 8×4 | 219.1 | 219 | 114.3 | 108 | 178 | 156 |
| 200×90 | 8 × 3,5 | 219.1 | – | 101.6 | – | 178 | 152 |
| 250×250 | 10×10 | 273.0 | 273 | 273.0 | 273 | 216 | 216 |
| 250×200 | 10 × 8 | 273.0 | 273 | 219.1 | 219 | 216 | 203 |
| 250 × 150 | 10×6 | 273.0 | 273 | 168.3 | 159 | 216 | 194 |
| 250 × 125 | 10 × 5 | 273.0 | 273 | 141.3 | 133 | 216 | 191 |
| 250 × 100 | 10×4 | 273.0 | 273 | 114.3 | 108 | 216 | 184 |
| 300×300 | 12×12 | 323.9 | 325 | 323.9 | 325 | 254 | 254 |
| 300×250 | 12 × 10 | 323.9 | 325 | 273.0 | 273 | 254 | 241 |
| 300×200 | 12 × 8 | 323.9 | 325 | 219.1 | 219 | 254 | 229 |
| 300×150 | 12×6 | 323.9 | 325 | 168.3 | 159 | 254 | 219 |
| 300×125 | 12×5 | 323.9 | 325 | 141.3 | 133 | 254 | 216 |
| 350×350 | 14×14 | 355.6 | 377 | 355.6 | 377 | 279 | 279 |
| 350×300 | 14 × 12 | 355.6 | 377 | 323.9 | 325 | 279 | 270 |
| 350×250 | 14 × 10 | 355.6 | 377 | 273.0 | 273 | 279 | 257 |
| 350×200 | 14×8 | 355.6 | 377 | 219.1 | 219 | 279 | 248 |
| 350 × 150 | 14×6 | 355.6 | 377 | 168.3 | 159 | 279 | 238 |
| 400×400 | 16×16 | 406.4 | 426 | 406.4 | 426 | 305 | 305 |
| 400×350 | 16 × 14 | 406.4 | 426 | 355.6 | 377 | 305 | 305 |
| 400×300 | 16 × 12 | 406.4 | 426 | 323.9 | 325 | 305 | 295 |
| 400×250 | 16 × 10 | 406.4 | 426 | 273.0 | 273 | 305 | 283 |
| 400×200 | 16×8 | 406.4 | 426 | 219.1 | 219 | 305 | 273 |
| 400×150 | 16×6 | 406.4 | 426 | 168.3 | 159 | 305 | 264 |
| 450×450 | 18×18 | 457 | 480 | 457 | 480 | 343 | 343 |
| 450×400 | 18 × 16 | 457 | 480 | 406.4 | 426 | 343 | 330 |
| 450×350 | 18 × 14 | 457 | 480 | 355.6 | 377 | 343 | 330 |
| 450×300 | 18 × 12 | 457 | 480 | 323.9 | 325 | 343 | 321 |
| 450×250 | 18 × 10 | 457 | 480 | 273.0 | 273 | 343 | 308 |
| 15×15 | 1/2×1/2 | 21.3 | 18 | 21.3 | 18 | 25 | 25 |
| 15×10 | 1/2×3/8 | 21.3 | 18 | 17.3 | 14 | 25 | 25 |
| 15×8 | 1/2×1/4 | 21.3 | 18 | 13.7 | 10 | 25 | 25 |
| 20×20 | 3/4×3/4 | 26.9 | 25 | 26.9 | 25 | 29 | 29 |
| 20 × 15 | 3/4 × 1/2 | 26.9 | 25 | 21.3 | 18 | 29 | 29 |
| 20 × 10 | 3/4 × 3/8 | 26.9 | 25 | 17.3 | 14 | 29 | 29 |
| 25×25 | 1×1 | 33.7 | 32 | 33.7 | 32 | 38 | 38 |
| 25 × 20 | 1×3/4 | 33.7 | 32 | 26.9 | 25 | 38 | 38 |
| 25 × 15 | 1×1/2 | 33.7 | 32 | 21.3 | 18 | 38 | 38 |
| 32×32 | 1.1/4×1.1/4 | 42.4 | 38 | 42.4 | 38 | 48 | 48 |
| 32 × 25 | 1,125 × 1 | 42.4 | 38 | 33.7 | 32 | 48 | 48 |
| 32 × 20 | 1,125 × 1,912 | 42.4 | 38 | 26.9 | 25 | 48 | 48 |
| 32 × 15 | 1,125 × 1,27 cm | 42.4 | 38 | 21.3 | 18 | 48 | 48 |
| 40×40 | 1.1/2×1.1/2 | 48.3 | 45 | 48.3 | 45 | 57 | 57 |
| 40×32 | 1,1/2 × 1,1/4 | 48.3 | 45 | 42.4 | 38 | 57 | 57 |
| 40 × 25 | 1,5 × 1 | 48.3 | 45 | 33.7 | 32 | 57 | 57 |
| 40 × 20 | 1,5 × 1,9 | 48.3 | 45 | 26.9 | 25 | 57 | 57 |
| 40 × 15 | 1,5 × 1,5 | 48.3 | 45 | 21.3 | 18 | 57 | 57 |
| 50×50 | 2×2 | 60.3 | 57 | 60.3 | 57 | 64 | 64 |
| 50 × 40 | 2 × 1,5 | 60.3 | 57 | 48.3 | 45 | 64 | 60 |
| 50×32 | 2 × 1,1/4 | 60.3 | 57 | 42.4 | 38 | 64 | 57 |
| 50 × 25 | 2×1 | 60.3 | 57 | 33.7 | 32 | 64 | 51 |
| 50 × 20 | 2×3/4 | 60.3 | 57 | 26.9 | 25 | 64 | 44 |
| 65×65 | 2/1/2×2.1/2 | 73.0 | 76 | 73.0 | 76 | 76 | 76 |
| 65 × 50 | 2/1/2×2 | 73.0 | 76 | 60.3 | 57 | 76 | 70 |
| 65 × 40 | 2/1/2×1.1/2 | 73.0 | 76 | 48.3 | 45 | 76 | 67 |
| 65×32 | 2/1/2×1.1/4 | 73.0 | 76 | 42.4 | 38 | 76 | 64 |
| 65 × 25 | 2/1/2×1 | 73.0 | 76 | 33.7 | 32 | 76 | 57 |
| 80×80 | 3×3 | 88.9 | 89 | 88.9 | 89 | 86 | 86 |
| 80 × 65 | 3 × 2,5 | 88.9 | 89 | 73.0 | 76 | 86 | 83 |
| 80 × 50 | 3×2 | 88.9 | 89 | 60.3 | 57 | 86 | 76 |
| 80 × 40 | 3 × 1,5 | 88.9 | 89 | 48.3 | 45 | 86 | 73 |
| 80×32 | 3 × 1,125 | 88.9 | 89 | 42.4 | 38 | 86 | 70 |
| 90×90 | 3.1/2×3.1/2 | 101.6 | – | 101.6 | – | 95 | 95 |
| 90 × 80 | 3,5 × 3 | 101.6 | – | 88.9 | 89 | 95 | 92 |
| 90 × 65 | 3,1/2 × 2,1/2 | 101.6 | – | 73.0 | 76 | 95 | 89 |
| 90 × 50 | 3,5 × 2 | 101.6 | – | 60.3 | 57 | 95 | 83 |
| 90 × 40 | 3,5 × 1,5 | 101.6 | – | 48.3 | 45 | 95 | 79 |
| 100×100 | 4×4 | 114.3 | 108 | 114.3 | 108 | 105 | 105 |
| 100 × 90 | 4 × 3,5 | 114.3 | 108 | 101.6 | – | 105 | 102 |
| 100 × 80 | 4×3 | 114.3 | 108 | 88.9 | 89 | 105 | 98 |
| 100 × 65 | 4 × 2,1/2 | 114.3 | 108 | 73.0 | 76 | 105 | 95 |
| 100 × 50 | 4×2 | 114.3 | 108 | 60.3 | 57 | 105 | 89 |
| 100 × 40 | 4 × 1,5 | 114.3 | 108 | 48.3 | 45 | 105 | 86 |
| 125×125 | 5×5 | 141.3 | 133 | 141.3 | 133 | 124 | 124 |
| 125 × 100 | 5×4 | 141.3 | 133 | 114.3 | 108 | 124 | 117 |
| 125 × 90 | 5 × 3,5 | 141.3 | – | 101.6 | – | 124 | 114 |
| 125 × 80 | 5×3 | 141.3 | 133 | 88.9 | 89 | 124 | 111 |
| 125 × 65 | 5×2.1.2 | 141.3 | 133 | 73.0 | 76 | 124 | 108 |
| 125 × 50 | 5×2 | 141.3 | 133 | 60.3 | 57 | 124 | 105 |
| 150×150 | 6×6 | 168.3 | 159 | 168.3 | 159 | 143 | 143 |
| 150 × 125 | 6×5 | 168.3 | 159 | 141.3 | 133 | 143 | 137 |
| 150 × 100 | 6×4 | 168.3 | 159 | 114.3 | 108 | 143 | 130 |
| 450×200 | 18×8 | 457 | 480 | 219.1 | 219 | 343 | 298 |
| 500×500 | 20×20 | 508 | 530 | 508 | 530 | 381 | 381 |
| 500×450 | 20×20 | 508 | 530 | 457 | 480 | 381 | 368 |
| 500×400 | 20×20 | 508 | 530 | 406.4 | 426 | 381 | 356 |
| 500×350 | 20×20 | 508 | 530 | 355.6 | 377 | 381 | 356 |
| 500×300 | 20×20 | 508 | 530 | 323.9 | 325 | 381 | 346 |
| 500×250 | 20×20 | 508 | 530 | 273.0 | 273 | 381 | 333 |
| 500×200 | 20×20 | 508 | 530 | 219.1 | 219 | 381 | 324 |
ASME B16.9 Reducing Cross Dimensional Tolerance
| Diámetro nominal de la tubería | de 1/2 a 2½ | De 3 a 3½ | 4 | De 5 a 8 |
| Diámetro exterior en el bisel (D) |
+ 1.6 – 0,8 |
1.6 | 1.6 | + 2.4 – 1,6 |
| Diámetro interior en el extremo | 0.8 | 1.6 | 1.6 | 1.6 |
| Centro a extremo izquierdo (A/B) | 2 | 2 | 2 | 2 |
| Centro a extremo 3D (A/B) | 3 | 3 | 3 | 3 |
| Diámetro nominal de la tubería | De 10 a 18 | 20 a 24 | del 26 al 30 | 32 a 48 |
| Diámetro exterior en el bisel (D) |
+ 4 – 3.2 |
+ 6.4 – 4,8 |
+ 6.4 – 4,8 |
+ 6.4 – 4,8 |
| Diámetro interior en el extremo | 3.2 | 4.8 | + 6.4 – 4,8 |
+ 6.4 – 4,8 |
| Centro a extremo izquierdo (A/B) | 2 | 2 | 3 | 5 |
| Centro a extremo 3D (A/B) | 3 | 3 | 6 | 6 |
| Espesor de la pared (t) | Un espesor nominal de pared no inferior a 87,51 TP3T | |||
ASME B16.9 Buttweld Reducing Cross Weight Chart
| Diámetro nominal de la tubería en | SCH 10 | SCH 20 | SCH 30 | SCH 40 | ||||||||
| espesor de la pared (mm) | peso en kg | peso en kg | espesor de la pared (mm) | peso en kg | peso en kg | espesor de la pared (mm) | peso en kg | peso en kg | espesor de la pared (mm) | peso en kg | peso en kg | |
| T | T | T | T | |||||||||
| 1″ | 3.38 | 0.34 | ||||||||||
| 1,125 pulgadas | 3.68 | 0.92 | ||||||||||
| 1/2″ | 2.77 | 0.21 | ||||||||||
| 3/4″ | 2.87 | 0.21 | ||||||||||
| 1,5 pulgadas | 3.56 | 0.63 | ||||||||||
| 2″ | 3.91 | 1.49 | ||||||||||
| 2,5 cm | 5.16 | 2.68 | ||||||||||
| 3″ | 5.49 | 3.75 | ||||||||||
| 3,5 cm | 5.74 | 5 | ||||||||||
| 4″ | 6.02 | 6.5 | ||||||||||
| 5″ | 6.55 | 10 | ||||||||||
| 6″ | 7.11 | 16 | ||||||||||
| 8″ | 6.35 | 23 | 7.04 | 24.6 | 8.18 | 27 | ||||||
| 10″ | 6.35 | 34.7 | 7.8 | 40 | 9.27 | 41 | ||||||
| 12″ | 6.35 | 43.4 | 8.38 | 56.6 | 10.31 | 70.5 | ||||||
| 14″ | 6.35 | 68 | 7.92 | 84 | 9.53 | 102 | 11.13 | 105 | ||||
| 16″ | 6.35 | 90.8 | 7.92 | 100 | 9.53 | 110 | 12.7 | 167 | ||||
| 18″ | 6.35 | 93.1 | 9.53 | 127 | 11.13 | 164 | 14.27 | 237.45 | ||||
| 20″ | 6.35 | 112 | 9.53 | 168 | 12.7 | 245 | 15.09 | 320 | ||||
| 22″ | 6.35 | 146 | 9.53 | 220 | 12.7 | 280 | ||||||
| 24″ | 6.35 | 160 | 12.7 | 240 | 14.27 | 373 | 17.48 | 570.65 | ||||
| 26″ | 7.92 | 293.28 | 12.7 | 360.2 | ||||||||
| 28″ | 7.92 | 280.98 | 12.7 | 421 | 15.88 | 526.25 | ||||||
| 30″ | 7.92 | 322.64 | 12.7 | 483.1 | 15.88 | 603.75 | ||||||
| 32″ | 7.92 | 375.23 | 12.7 | 559 | 15.88 | 698.75 | 17.48 | 768.6 | ||||
| 34″ | 7.92 | 482.72 | 12.7 | 644.1 | 15.88 | 805.13 | 17.48 | 885.65 | ||||
| 36″ | 7.92 | 488.3 | 12.7 | 730.3 | 15.88 | 912.88 | 19.05 | 1004.17 | ||||
ASME B16.9 SS Reducing Cross Angularity Tolerance
| ND | Ángulo máximo de salida | Máximo fuera del plano |
| Q | P | |
| 1/2 a 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| de 10 a 12 | 3 | 5 |
| 14 a 16 | 3 | 7 |
| 18 a 24 | 4 | 10 |
| del 26 al 30 | 5 | 10 |
| 32 a 42 | 5 | 13 |
| 44 a 48 | 5 | 20 |
BUTTWELD REDUCING CROSS – MATERIALS & GRADES
| Stainless Steel Buttweld Reducing / Unequal Cross | ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404 |
| Duplex & Super Duplex Steel Buttweld Reducing / Unequal Cross | ASTM A 815, ASME SA 815, UNS n.º S31803, S32205. UNS S32750, S32950. N.º de material 1.4462 |
| Carbon Steel Buttweld Reducing / Unequal Cross | ASTM A234, ASME SA234 WPB, WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 y WPHY 70. |
| Low Temperature Carbon Steel Buttweld Reducing / Unequal Cross | ASTM A420 WPL3, A420 WPL6 |
| Alloy Steel Buttweld Reducing / Unequal Cross | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 |
| Nickel Alloy Buttweld Reducing / Unequal Cross | ASTM B336, ASME SB336, Níquel 200 (N.º UNS N02200), Níquel 201 (N.º UNS N02201), Monel 400 (N.º UNS N04400), Monel 500 (UNS N.º N05500), Inconel 800 (UNS N.º N08800), Inconel 825 (UNS N.º N08825), Inconel 600 (UNS N.º N06600), Inconel 625 (N.º UNS N06625), Inconel 601 (N.º UNS N06601), Hastelloy C 276 (N.º UNS N10276), Aleación 20 (N.º UNS N08020), titanio (Grado I y II), cuproníquel 70/30, CuNi10Fe1Mn, CuNi30Mn1Fe. |
Available Types of ASME B16.9 Buttweld Reducing Cross
| ANSI B16.9 Buttweld Reducing Cross | ASME B16.28 Buttweld Pipe Cross |
| Welded Butt weld Unequal Cross | Seamless Butt weld Unequal Cross |
| Carbon Steel Reducing Cross | High Quality Unequal Cross |
| ASTM A403 Stainless Steel Unequal Crosss | Duplex Steel Buttweld Reducing Cross |
| Buttweld Unequal Cross | Butt Weld Reducing Crosss |
| ASME B16.9 Butt weld Unequal Cross | Steel Reducing Cross Pipe Fittings |
| Stainless Steel Unequal Cross | SS Unequal Crosss |
| Super Duplex Steel Buttweld Reducing Cross | Copper Nickel Unequal Cross |
| High Nickel Alloy Unequal Cross | Hastelloy Pipe Cross |
| Titanium Buttweld Reducing Cross | Inconel Butt weld Reducing Cross |
Buttweld Reducing Cross Application
ASME B16.9 Unequal Cross are known to deliver exceptional performance and are generally developed for meeting the demands. We offer a broad range of Buttweld Reducing Cross through a worldwide network of stock-keeping branches. These Unequal Pipe Cross is use in various industries like :
- Stainless Steel Buttweld Unequal Cross uses in Oil and Gas Pipeline
- Butt weld Unequal Cross uses in Chemical Industry
- Alloy Steel Unequal Cross uses in Plumbing
- Buttweld Pipe Reducing Cross uses in Heating
- Buttweld Unequal Cross Fittings uses in Water Supply Systems
- ANSI B16.9 Buttweld Unequal Cross uses in Power Plant
- Buttweld Unequal Cross Fitting uses in Paper & Pulp Industry
- Unequal Cross uses in General Purpose Applications
- Buttweld Reducing Cross uses in Fabrication Industry
- Unequal Cross uses in Food Processing Industry
- Buttweld Unequal Cross uses in Structural Pipe
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