TOBO STEEL GROUP CHINA
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 10000 PCS per month |
| Delivery Time | 15- 20 work days |
| Packaging Details | In wooden case or according to client's requirement |
| Product name | U Fin Tube |
| Material | ASTM/ASME A/SA803 TP439 |
| Place of Origin: | Shanghai, China |
| Ends | Plain or beveled ends |
| Usage | Thermal Power Plant,heating plant |
| Surface Treatment: | Galvanized |
| Brand Name | TOBO |
| Model Number | ASTM/ASME A/SA803 TP439 |
| Certification | SGS/BV/ABS/LR/TUV/DNV/BIS/API/PED |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C, T/T, Western Union | Supply Ability | 10000 PCS per month |
| Delivery Time | 15- 20 work days | Packaging Details | In wooden case or according to client's requirement |
| Product name | U Fin Tube | Material | ASTM/ASME A/SA803 TP439 |
| Place of Origin: | Shanghai, China | Ends | Plain or beveled ends |
| Usage | Thermal Power Plant,heating plant | Surface Treatment: | Galvanized |
| Brand Name | TOBO | Model Number | ASTM/ASME A/SA803 TP439 |
| Certification | SGS/BV/ABS/LR/TUV/DNV/BIS/API/PED | Place of Origin | China |
| High Light | u shaped metal pipe ，u bend exhaust pipe | ||
Seamless and (Welded) Re-drawn Stainless Steel U Fin Tube Feed Water Heater ASTM/ASME A/SA803 TP439
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.
| 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 |
| Priducts | Dimensions | Standards | Materials | Remarks | ||
| O.D | W.T | Length | ||||
| U-bent Tubes for Heat Exchanger | 12.7-76.2mm (1/2"-3") | 0.5-5.16mm (0.02"-0.203") | Leg Length: 15.24m(50') Total Length: 32.00m(105)' | ASTM/ASME A/SA213 | T5, T11,T12, T22, T9, TP304/304L, TP304H, TP316/316L, TP347/347H, TP316Ti, TP321/321H, TP310S | Seamless Ferritic and Austenitic Stainless Steel U-bent Tubes |
| ASTM/ASME A/SA249 | TP304, TP304L, TP316, TP316L…… | Welded Stainless Steel U-bent Tubes | ||||
| ASTM/ASME A/SA789 | UNS S31803/32205, UNS S32750…… | Duplex Stainless Steel U-bent Tubes | ||||
| ASTM/ASME A/SA163 | Monel400, UNS N06600, 625, Incoloy800/800H, 825…… | Seamless Nickel Alloy U-bent Tubes | ||||
| ASTM/ASME A/SA268 | TP405, TP409, TP410, TP430, TP439…… | Ferritic and Martensitic Stainless Steel Seamless U-bent Tubes | ||||
| Seamless and (Welded) Re-drawn Stainless Steel Feed Water Heater U-bent Tubes | 12.7-25.4mm (1/2"-1") | 0.7-3.05mm (0.028"-0.12") | Leg Length: 15.24m(50') Total Length: 32.00m(105)' | ASTM/ASME A/SA668/213 ASTM/ASME A/SA803 | TP304, TP304L, TP304LN TP316, TP316L, TP439 | Low Pressure Feed Water Heater of Thermal Power Station |
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
TEST CERTIFICATE
Mill Test Certificate as per EN 10204 / 3.1
Advanced capabilities for U-bent tubes:
Stainless Steel ubend :
ASTM A403 WP Gr. 304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L, 316TI, 316H, 304L
Carbon Steel ubend
ASTM A 234 WPB , WPBW, WPHY 42, WPHY 46, WPHY 52, WPH 60, WPHY 65 & WPHY 70.
Low Temperature Carbon Steel
ASTM A420 WPL3 / A420WPL6
Alloy Steel ubend
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91
Duplex Steel ubend
ASTM A 815 UNS NO S 31803, S 32205, S 32760, S 32750
Copper Nickel
C70600(90:10), C71500(70:30), C71640.
Company Details
Business Type:
Manufacturer,Agent,Importer,Exporter,Trading Company,Seller
Year Established:
1998
Total Annual:
3,000,000-10,000,000
Employee Number:
200~300
Ecer Certification：
Verified Supplier
TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia... TOBO GROUP sales head offce in Shanghai. We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area of 6,8,000square meters, existing 260 workers and 45 technicia...
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