Product Details:
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Product Name: | U Fin Tube | Material: | A/SA668/213 TP439 |
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Place Of Origin:: | Shanghai, China | Section Shap: | Round/Square/rectangular |
Outer Diameter(Round): | 1/2"-3" | Ends: | Plain Or Beveled Ends |
High Light: | u shaped metal pipe,u bend exhaust pipe |
ASME A/SA668 U-bent Tubes U Fin Tube Diameter 2" For Liquid TP439 ASME 213
U Bend Tube are manufactured in our plant as per the customer requirements. Solution annealing after bend will be process to lower the risidual stress, and followed by hydrostatic testing and dye penetrant testing if required.
Stainless Steel Tubes Size for Heat Exchanger
Stainless Steel Tubes Size for Heat Exchanger
Inches | Decimal | Millimeters |
1/16″ | .0625 | 1.59 mm |
1/8″ | .1250 | 3.18 mm |
3/16″ | .1875 | 4.76 mm |
1/4″ | .2500 | 6.35 mm |
5/16″ | .3125 | 7.94 mm |
3/8″ | .3750 | 9.53 mm |
7/16″ | .4375 | 11.11 mm |
1/2″ | .5000 | 12.70 mm |
9/16″ | .5625 | 14.29 mm |
5/8″ | .6250 | 15.88 mm |
11/16″ | .6875 | 17.46 mm |
3/4″ | .7500 | 19.05 mm |
13/16″ | .8125 | 20.64 mm |
7/8″ | .8750 | 22.23 mm |
15/16″ | .9375 | 23.81 mm |
1″ | 1.00 | 25.40 mm |
1 1/4″ | 1.25 | 31.75 mm |
1 1/2″ | 1.50 | 38.10 mm |
2″ | 2.00 | 50.80 mm |
Dimensional tolerances U Bend Tube acc. to TEMA R.C.B.
1) U Bend Pipe Length of straight part -0/+5 mm
Flattening (also called “ovality”) at the bend shall not exceed 10% of the nominal tube outside diameter.
Wall thickness in bending part acc. to TEMA R.C.B 2.31
2) U Bend Tube Minimum tube wall thickness in the bend part (T min)T(min) ≥ (SW × (2×R + D))/( 2× (R+D)
where: SW is smallest wall thickness
D Nominal outside diameter
R radius
3) U Bend Tube Radius tolerance
1) for R 100 mm +/- 3 mm
2) for R ≥ 100 mm +/- 5 mm
4). U bend Pipe Straightness tolerance max. 1,5 mm per 1 m
U Bend Tube ends: plain, vertically cut to the tube axis
U Bend Tube OD in mm can be bent upon agreement: 15.8 16.0 17.0 18.0 19.05 20.0 21.3 25.4 26.7 31.8 32.0 38.1mm
U bend Tube Initial Length
Maximum lengths of 27000mm can be supplied on request
U bend Pipe Bending radius
Minimum: 1.5×OD
Maximum: 1500 mm
Nickel Alloy
Standard
· ASTM / ASME SB 336
· UNS 10276 (HASTELLOY C 276 )
· 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 5500(MONEL K500)
· UNS 8800(INCONEL 800)
· UNS 8810(INCONEL 800H)
Packing and Shipping
Package:Standard export carton packing.
Delivery time:stock 7-10 workign days after confirming order,detail delivery date should be decided according to
production season and order quantity.
TEST CERTIFICATE
Mill Test Certificate as per EN 10204 / 3.1
Advanced capabilities for U-bent tubes:
Contact Person: Andrew