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异径弯头 | Reducing Elbow

 
90Degree Reducing Buttweld Elbow Specification:
形式/Type 异径,Reducing 
原材料/Raw Material 无缝管、焊管(SS)、板焊。Seamless pipe, Welded pipe, Steel sheet. 
制作工艺/Manufacture Process 挤压、热压、冷加工、热加工、焊接、热处理 。Extrusion moulding, Hot Pressing, Cold-machining, Hot-machining, Welded, Heat treatment
尺寸外径/Outside Diameter Seamless Elbow ( 1.1/2″24″), ERW / Welded / Fabricated Elbow (12″~24″)
壁厚压力/Wall Thickness 3mm – 40mm / SCH5, SCH10, SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
弯头角度/Product's Angle 90° Long Radius Elbows, Long Radius Returns, Short Radius Elbows and Returns
弯曲半径/Bending Radius R=1D – 10D, 15D, 20D
增值服务/Value Added Services 热浸镀锌,环氧树脂和FBE涂层,电抛光,喷砂,螺纹加工,焊接(Hot Dipped Galvanizing, Epoxy & FBE Coating, Electro Polish, Sand Blasting, Threading, Soldering)
制造标准/Manufacturing Standards ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, GB/T12459, GB/T13401, SH3408, SH3409, JIS B2311/2220, DIN2617/2616/2615
 
90Degree Reducing Buttweld Elbow Material Grades:
不锈钢/Stainless Steel ASTM A403 WP304, 304L, 304H, 309, 310, 316, 316L, 317L, 321, 347
碳钢/Carbon Steel 20#, 20G,Q235-A, ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70
低温钢/Low Temperature Carbon Steel 16Mn, ASTM A420 WPL3, A420 WPL6
合金钢/Alloy Steel ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91, WB36, 12CrMo, 15Cr5Mo, 1Cr5Mo, 12Cr1MoV
双相不锈钢钢/Duplex Steel ASTM A 815, ASME SA 815 UNS NO S31803, S32205. S31254, 254SMO, S32750,904L
镍合金/Nickel Alloy Steel ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 )
 
90Degree Reducing Buttweld Elbow Dimesions:
碳钢90度异径弯头 不锈钢90度异径弯头
90度长变径弯头结构图(LR)
Nominal
Pipe
Size
(NPS)
Outside  Diameter
at Bevel
Center-
to-End,
A
Large End Small End
2×1½ 60.3 48.3 76
2×1¼ 60.3 42.2 76
2×1 60.3 33.4 76
2½×2 73.0 60.3 95
2½×1½ 73.0 48.3 95
2½×1¼ 73.0 42.2 95
3×2½ 88.9 73.0 114
3×2 88.9 60.3 114
3×1½ 88.9 48.3 114
3½×3 101.6 88.9 133
3½×2½ 101.6 73.0 133
3½×2 101.6 60.3 133
4×3½ 114.3 101.6 152
4×3 114.3 88.9 152
4×2½ 114.3 73.0 152
4×2 114.3 60.3 152
5×4 141.3 114.3 190
5×3½ 141.3 101.6 190
5×3 141.3 88.9 190
5×2½ 141.3 73.0 190
6×5 168.3 141.3 229
6×4 168.3 114.3 229
6×3½ 168.3 101.6 229
6×3 168.3 88.9 229
8×6 219.1 168.3 305
8×5 219.1 141.3 305
8×4 219.1 114.3 305
10×8 273.0 219.1 381
10×6 273.0 168.3 381
10×5 273.0 141.3 381
12×10 323.8 273.0 457
12×8 323.8 219.1 457
12×6 323.8 168.3 457
14×12 355.6 323.8 533
14×10 355.6 273.0 533
14×8 355.6 219.1 533
16×14 406.4 355.6 610
16×12 406.4 323.8 610
16×10 406.4 273.0 610
18×16 457.0 406.4 686
18×14 457.0 355.6 686
18×12 457.0 323.8 686
18×10 457.0 273.0 686
20×18 508.0 457.0 762
20×16 508.0 406.4 762
20×14 508.0 355.6 762
20×12 508.0 323.8 762
20×10 508.0 273.0 762
24×22 610.0 559.0 914
24×20 610.0 508.0 914
24×18 610.0 457.0 914
24×16 610.0 406.4 914
24×14 610.0 355.6 914
24×12 610.0 323.8 914
GENERAL NOTE: All dimensions are in millimeters.
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