TOBO STEEL GROUP CHINA
TOBO ALLOY GROUP TOBO Alloy Group is a mature, steady and energetic high-tech company, specializing in manufacture of high-temperature alloys and corrosion resistant alloys, such as Hastelloy, Haynes,
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ASTM/ASME A/SA163 625 Seamless U-bent Tubes U Fin Tube Nickel Alloy U-bent Tubes
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
| 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 |
Stainless Steel Tubes Size for Heat Exchanger
Inch to mm Chart
| 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 |
TEST CERTIFICATE
Mill Test Certificate as per EN 10204 / 3.1
Advanced capabilities for U-bent tubes:
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
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.
FAQ
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.