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
| サイズ | シームレスパイプ等径(1/2インチ~24インチ)、ERW/溶接/加工パイプ等径(1/2インチ~48インチ) |
| 基準 | ANSI – B 16.9、ASTM A403 – ASME SA403 – 「鍛造オーステナイト系ステンレス鋼配管継手の標準仕様」、API 590-605、ASME B16.9 – 「工場製鍛造突合せ溶接継手」、ASME B16.25 – 「突合せ溶接端部」、ASME B16.28 – 「鍛造鋼製突合せ溶接短半径エルボおよびリターン」、MSS SP-43 – 「低圧、耐腐食性用途向け鍛造および加工突合せ溶接継手」‘ |
| 寸法 | ASME/ANSI B16.9、MSS-SP-43 タイプA、MSS-SP-43 タイプB、JIS B2312、JIS B2313、ASME B16.28 |
| 厚さ | スケジュール 5S、10S、20S、S10、S20、S30、STD、40S、S40、S60、XS、80S、S80、S100、S120、S140、S160、XXS など。. |
| 曲げ半径 | R=1D – 10D、15D、20D
|
| から | Unequal Cross, Reducing Cross, Pipe Cross, Butt weld Unequal Cross. |
| 成績&材料 | ASTM A403 WP316/316L、ASTM A403 WP304/304L、ASTM A182 F316L、304L、DIN 1.4301、DIN1.4306、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 & WPHY 70。ASME SA234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91、ASTM A815、ASME SA815 UNS No S31803、S32205、S32750、S32950、ASTM B336、ASME SB336、ニッケル 200 (UNS No. No2200)、ニッケル 201 (UNS No. N02201)、モネル 400 (UNS No. N04400)、モネル 500 (UNS No. N05500)、インコネル 800 (UNS No. N08800)、インコネル 825 (UNS No. N08825)、インコネル 600 (UNS No. N06600)、インコネル 625 (UNS No. N06625)、インコネル 601 (UNS No. N06601)、ハステロイ C 276 (UNS No. N10276)、アロイ 20 (UNS No. N08020)、チタン(グレードIおよびII)、キュプロニッケル70/30、CuNi10Fe1Mn、CuNi30Mn1Fe。.
|
| タイプ | 突合せ溶接(BW)/シームレス/溶接/ERW/加工済み |
| コーティング/表面処理 | 防錆塗料、油性黒色塗料、黄色透明塗料、亜鉛メッキ、冷間および熱間亜鉛メッキ |
Manufacturing Standards of Buttweld Reducing Cross
| ASME規格 | ASME/ANSI B16.9、ASME/ANSI B16.28、MSS-SP-43 |
| DIN規格 | DIN28011、DIN2617、DIN2616、DIN2615、DIN2605 |
| EN規格 | EN10253-2、EN10253-1 |
| ASME B16.25 | 突合せ溶接端部 |
| ASME B16.9 | 工場製鍛造継手の突合せ溶接 |
| 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
| Nominal Diameter | 外径 | Center to End | |||||
| D1 | D2 | ||||||
| DN | NPS | Series A | Series B | Series A | Series B | C | M |
| 150×90 | 6×3.1/2 | 168.3 | – | 101.6 | – | 143 | 127 |
| 150×80 | 6×3 | 168.3 | 159 | 88.9 | 89 | 143 | 124 |
| 150×65 | 6×2.1/2 | 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 | 8×3.1/2 | 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 | 1.1/4×1 | 42.4 | 38 | 33.7 | 32 | 48 | 48 |
| 32×20 | 1.1/4×3/4 | 42.4 | 38 | 26.9 | 25 | 48 | 48 |
| 32×15 | 1.1/4×1/2 | 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 | 1.1/2×1 | 48.3 | 45 | 33.7 | 32 | 57 | 57 |
| 40×20 | 1.1/2×3/4 | 48.3 | 45 | 26.9 | 25 | 57 | 57 |
| 40×15 | 1.1/2×1/2 | 48.3 | 45 | 21.3 | 18 | 57 | 57 |
| 50×50 | 2×2 | 60.3 | 57 | 60.3 | 57 | 64 | 64 |
| 50×40 | 2×1.1/2 | 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 | 3×2.1/2 | 88.9 | 89 | 73.0 | 76 | 86 | 83 |
| 80×50 | 3×2 | 88.9 | 89 | 60.3 | 57 | 86 | 76 |
| 80×40 | 3×1.1/2 | 88.9 | 89 | 48.3 | 45 | 86 | 73 |
| 80×32 | 3×1.1/4 | 88.9 | 89 | 42.4 | 38 | 86 | 70 |
| 90×90 | 3.1/2×3.1/2 | 101.6 | – | 101.6 | – | 95 | 95 |
| 90×80 | 3.1/2×3 | 101.6 | – | 88.9 | 89 | 95 | 92 |
| 90×65 | 3.1/2×2.1/2 | 101.6 | – | 73.0 | 76 | 95 | 89 |
| 90×50 | 3.1/2×2 | 101.6 | – | 60.3 | 57 | 95 | 83 |
| 90×40 | 3.1/2×1.1/2 | 101.6 | – | 48.3 | 45 | 95 | 79 |
| 100×100 | 4×4 | 114.3 | 108 | 114.3 | 108 | 105 | 105 |
| 100×90 | 4×3.1/2 | 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 | 4×1.1/2 | 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 | 5×3.1/2 | 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
| 公称パイプサイズ | 1/2~2½ | 3~3.5 | 4 | 5~8 |
| 外径 ベベル(D)で | + 1.6 – 0.8 | 1.6 | 1.6 | + 2.4 – 1.6 |
| 端部の内径 | 0.8 | 1.6 | 1.6 | 1.6 |
| 中央から端までLR(A/B) | 2 | 2 | 2 | 2 |
| 中心から端までの3D(A/B) | 3 | 3 | 3 | 3 |
| 公称パイプサイズ | 10歳から18歳 | 20~24 | 26~30歳 | 32~48 |
| 外径 ベベル(D)で | + 4 – 3.2 | + 6.4 – 4.8 | + 6.4 – 4.8 | + 6.4 – 4.8 |
| 端部の内径 | 3.2 | 4.8 | + 6.4 – 4.8 | + 6.4 – 4.8 |
| 中央から端までLR(A/B) | 2 | 2 | 3 | 5 |
| 中心から端までの3D(A/B) | 3 | 3 | 6 | 6 |
| 壁厚(t) | 公称肉厚87.5%以上 | |||
ASME B16.9 Buttweld Reducing Cross Weight Chart
| 公称パイプサイズ | SCH 10 | SCH 20 | SCH 30 | SCH 40 | ||||||||
| 壁の厚さ mm | 重量 kg | 重量 kg | 壁の厚さ mm | 重量 kg | 重量 kg | 壁の厚さ mm | 重量 kg | 重量 kg | 壁の厚さ mm | 重量 kg | 重量 kg | |
| T | T | T | T | |||||||||
| 1インチ | 3.38 | 0.34 | ||||||||||
| 1.1/4インチ | 3.68 | 0.92 | ||||||||||
| 1/2インチ | 2.77 | 0.21 | ||||||||||
| 3/4インチ | 2.87 | 0.21 | ||||||||||
| 1.1/2インチ | 3.56 | 0.63 | ||||||||||
| 2インチ | 3.91 | 1.49 | ||||||||||
| 2.5インチ | 5.16 | 2.68 | ||||||||||
| 3インチ | 5.49 | 3.75 | ||||||||||
| 3.1/2インチ | 5.74 | 5 | ||||||||||
| 4インチ | 6.02 | 6.5 | ||||||||||
| 5インチ | 6.55 | 10 | ||||||||||
| 6インチ | 7.11 | 16 | ||||||||||
| 8インチ | 6.35 | 23 | 7.04 | 24.6 | 8.18 | 27 | ||||||
| 10インチ | 6.35 | 34.7 | 7.8 | 40 | 9.27 | 41 | ||||||
| 12インチ | 6.35 | 43.4 | 8.38 | 56.6 | 10.31 | 70.5 | ||||||
| 14インチ | 6.35 | 68 | 7.92 | 84 | 9.53 | 102 | 11.13 | 105 | ||||
| 16インチ | 6.35 | 90.8 | 7.92 | 100 | 9.53 | 110 | 12.7 | 167 | ||||
| 18インチ | 6.35 | 93.1 | 9.53 | 127 | 11.13 | 164 | 14.27 | 237.45 | ||||
| 20インチ | 6.35 | 112 | 9.53 | 168 | 12.7 | 245 | 15.09 | 320 | ||||
| 22インチ | 6.35 | 146 | 9.53 | 220 | 12.7 | 280 | ||||||
| 24インチ | 6.35 | 160 | 12.7 | 240 | 14.27 | 373 | 17.48 | 570.65 | ||||
| 26インチ | 7.92 | 293.28 | 12.7 | 360.2 | ||||||||
| 28インチ | 7.92 | 280.98 | 12.7 | 421 | 15.88 | 526.25 | ||||||
| 30インチ | 7.92 | 322.64 | 12.7 | 483.1 | 15.88 | 603.75 | ||||||
| 32インチ | 7.92 | 375.23 | 12.7 | 559 | 15.88 | 698.75 | 17.48 | 768.6 | ||||
| 34インチ | 7.92 | 482.72 | 12.7 | 644.1 | 15.88 | 805.13 | 17.48 | 885.65 | ||||
| 36インチ | 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 | 最大傾斜角 | 飛行機から降りた最大 |
| Q | P | |
| 1/2 a 4 | 1 | 2 |
| 5 a 8 | 2 | 4 |
| 10~12 | 3 | 5 |
| 14~16 | 3 | 7 |
| 18~24 | 4 | 10 |
| 26~30 | 5 | 10 |
| 32~42 | 5 | 13 |
| 44~48 | 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, DIN1.4306, DIN 1.4401, DIN 1.4404 |
| Duplex & Super Duplex Steel Buttweld Reducing / Unequal Cross | ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462 |
| Carbon Steel Buttweld Reducing / Unequal Cross | ASTM A234, ASME SA234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & 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, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 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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