Induction bends are available in standard bend angles such as 90°, 60°, 45°, or 30°, etc or can be custom made to specific bend angles. The welding ends of Hot Induction Bend should be prepared in accordance with ASME B16.25. 3D, 5D, 6D, 7D, 8D, 9D Induction bends centerline radius example are 6" 5D, the centerline R = 5 x 6" = 30" = 762.0 mm. These Hot Induction Bend are manufactured as per ASME B16.49, some more details are required: seamless or welded, material, with or without tangent, quantity, heat treatment, e.g. 90° Hot-Induction Bend, ASTM A234 WPB, SMLS R=5D 8" SCH40, with a tangent length=150 mm at each end, bevel end, QT.
O.D. : 2” – 38”
Radius : 3D – 10D
Degree : 1-180deg
Standard
ASME B16.49-2007 ASME B16.25-2007
SY/T5257-2004
DL/T515-2004 GD2000 GD87-1101
ASME B16.49 | ASME B16.49 Standard covers design, material, manufacturing, testing, marking, and inspection requirements for factory-made pipeline bends of carbon steel materials |
Bend Type | Pipe Bend, Steel Pipe Bend, Hot Bend, Induction Bend, Induction Hot Bend |
Specification | NPS from 1/2″ to 72″, DN from 15 to 1800, WT: <120mm, SCH 40/80/XXS |
Hot Induction Bend Manufacturing Range (OD) | Seamless Hot Induction Bend (2"~24"), Welded / Fabricated Hot Induction Bend (8"~96") |
Bend Radius | 2.5D, 3D, 4D, 5D, 6D, 7D, 8D, 9D, 10D |
Bend Angle (Degree) | 15°, 30°,45°,60°,90°,135°,180° or any other degree as per request |
STRAIGHT LENGTH (L) | The straight pipe length(tangent length) with two ends general from 100mm-600mm, and also can produce the length according to the clients’ requirement. |
SIZE (DN) | DN15-DN1800, 1/2″-72″ |
WALL THICKNESS (T) | T≤120mm sch10, sch20, sch30, std, sch40, sch60, xs, sch80, sch100, sch120, sch140, sch160, xxs, sch5s, sch20s, sch40s, sch80s Maximun Wall thickness: 200mm |
Technics | Hot forming, pushing, welded, forged |
Classification by type |
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Manufacturing Standards |
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Dimension | ANSI B16.9, ANSI B16.28, MSS-SP-43 Type A, MSS-SP-43 Type B, JIS B2312, JIS B2313 Hot Induction Bend |
Stainless Steel Hot Induction Bend | ASTM A403 WP Gr. 304, 304L, 304H, 309, 310, 316, 316L, 316Ti, 317L, 321, 347, 347H, 904L Hot Induction Bend |
Carbon Steel Hot Induction Bend |
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Low Temperature Carbon Steel Hot Induction Bend | ASTM A420 WPL3, A420 WPL6 Hot Induction Bend |
Alloy Steel Hot Induction Bend | ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91 Hot Induction Bend |
Duplex Steel Hot Induction Bend | ASTM A815, ASME SA 815 UNS 31803, UNS 32205 Hot Induction Bend (Dual Certified). |
Nickel Alloy Hot Induction Bend | ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 Hot Induction Bend), UNS 2201 (NICKEL 201 Hot Induction Bend), UNS 4400 (MONEL 400 Hot Induction Bend), UNS 8020 (ALLOY 20 Hot Induction Bend/ 20 CB 3, UNS 8825 INCONEL Hot Induction Bend (825), UNS 6600 (INCONEL 600 Hot Induction Bend), UNS 6601 (INCONEL 601 Hot Induction Bend), UNS 6625 (INCONEL 625 Hot Induction Bend), UNS 10276 (HASTELLOY C276 Hot Induction Bend) |
Finishes on Hot Induction Bend: | Hot Induction Bend are available in various finishes. Some common finishes are like:
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Material of Construction |
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Applications & uses | Pipeline repair and new installation operations – shallow water, diver assist |
Value Added Services |
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Packing | Packed in Wood Cabins / Wood Tray |
Sizes | Tolerance |
OD: 2" to 60" | -1 ~+2 mm |
Bend radius: R^3D | |
WT: 3 to 60 mm | |
WT thinning: R=3D | <13% |
R=4D | <11% |
R=5D | <9% |
R=6D | <8% |
Bend angle: 0~180 deg | ±0.5 deg |
Forming velocity: | ±2.5mm per min |
Forming temperature: | ±10°C from the qualification temp. |
Bend ovality: | <2.5% |
Tangent ovality: | <0.8% |
ID welding ends NPS<36" | ±2.5mm |
ID welding ends NPS>36" | ±3 mm |
R = Radius • D = Diameter • | OD = Outside Diameter • ID = Inside Diameter |
Specifications for Pipe Bend
Seamless bends | Welding bends | |
Outside diameter | 1/2"~24"DN15~DN600 | 6"~60" DN150~DN1500 |
Wall thickness | 4mm~200mm | |
Bend radius | R=3D~10D | |
Product angle | 0°~180° |
GENERAL DESCRIPTION |
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Outside Diameter |
1/2" to 80" |
Thickness |
SCH20, SCH30, SCH40, STD, SCH80, SCH100. SCH120, SCH160. XXS |
Design Life |
30 Years |
Pipeline Design Code |
ASME B31.4 / ASME 31.8 / ASME B16.49/ MSS-SP75 |
Service Fluid |
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Third Party Inspection |
Required (Upon agreement with COMPANY. Mechanical tests to be witnessed) |
MOTHER PIPE REQUIREMENTS |
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Material |
Carbon Steel |
Grade
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Specification |
API 5L: ISO 3183: 2007 |
Chemical Composition |
API 5L: ISO 3183: 2007, Sour Tests Cab Be Chosed. |
Charpy Impact Test |
Required, per API 5L: ISO 3183: 2007, ASTM A370 |
Hardness Test |
Required, per API 5L |
Hydro-test |
Required, per API 5L |
Packing: | Standard Export Packaging or As Per client requirements |
INDUCTION BEND REQUIREMENTS |
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Specification |
API 5L: ISO 3183: 2007 |
Charpy Impact Test |
Required, per API 5L: ISO 3183: 2007 MSS SP75 |
Hardness Test |
Required, per API 5L: ISO 3183: 2007 MSS SP75 |
Dimensional Tolerance |
+/-1 degree |
External Surface Treatment |
3-Layers Polyethylene / Fusion Bonded Epoxy (FBE) |
Number of Qualification Bends |
Per section API 5L: ISO 3183 |
Marking |
Per API 5L: ISO 3183 |
180deg Induction Bends | Hot Induction 5d Bend |
API 5L-X52 with Internal 316L SS Cladding Induction Bends | Hot Induction Bend |
SSAW Induction Bends | Hot Induction Bends Pipeline |
Seamless Bends With 3 Layer FBE Coating | 5d Induction Bend |
ASTM A312 TP304SS Induction Bends | Cold Induction Bend |
LSAW Induction Bends | Api 5l Grade B Pipe Bend |
ERW Induction Bends | Asme B16.49 Bend |
Hot Induction Bends manufacturers | 3d Pipe Bend |
7d Induction Bend | 3d Induction Bend |
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