Heat Exchanger Stainless Steel ss u tube , ASME SA789 2205 Duplex Stainless Steel Pipe
Spezilla provides bent tubes including:
Heat treatment: Inert atmosphere inside tube (on request).
Anti-oxidation surface treatment (with protective oils).
Trimming and deburring of the ends.
Internal cleaning and cap insertion.
Packing in custom racks.
Applications - U-Bent Tube
The common application fields are:
heat exchangers (condensers, evaporators, sea water desalinators)
chemical and petrochemical industries
food processing and refrigeration industries
Stainless Steel Tube Standards:
American standards:
ASTM A249: Standard specification for welded austenitic steel boiler,superheater, heat-exchanger and condenser tubes.
ASTM A269:Standard specification for welded austenitic stainless steel tubing for general service.
ASTM A688:Standard specification for welded austenitic stainless steel feedwater heater tubes.
ASTM A554:Standard specification for welded stainless steel mechanical tubing.
ASTM A268:Specification for seamless and welded Ferritic/Martensitic stainless steel tubing for General Service
ASTM A789:Specification for seamless and welded Ferritic/Austenitic stainless steel tubing for General Service
ASTM A312:Seamless/Welded austenitic stainless steel pipe
Germanic standards:
DIN17455:General purpose welded circular stainless steel tubes
DIN17457: Welded circular austenitic stainless steel tubes subject to special requirements; technical delivery conditions
European Standard:
EN 10217-7:Welded Steel Tubes for pressure purposes-Part 7 Stainless steel tubes
| Standard Dimensions - U-Bent Tube |
| Outside diameter | 6 ÷90 mm | ¼”÷3 ½” |
| Maximum overall length | 1 ÷ 28 m | 3 ÷ 92 ft |
| Bending Radius Min. | 1,5 × tube diameter | |
| Bending Radius Max. | 1500 mm | 4ft |
| Inspections and Tests - U-Bent Tube |
| Chemical Composition |
| Mechanical Properties |
| Hydrostatic Test |
| Pneumatic Test |
| Eddy Current Test |
| Dye Penetrant Test |
| Magnetoscopic Test |
| Heat Treatment Conditions |
| Stress-Relieved Anneal |
| Annealed (Bright Annealing) |
| Materials - U-Bent Tube |
| Carbon Steel | SA 179 / A 179 |
| Carbon Steel | SA 210 / A 210 |
| Carbon Steel | SA 334 / A 334 |
| Stainless Steel | SA 213 / A 213 |
| | SA249 / A249 |
| | SA268 / A268 |
| | SA688 / A688 |
| Duplex Stainless Steel | SA 789 / A 789 |
| Copper & Cu Alloys | SB 111 / B 111 |
| Titanium & Ti Alloys | SB 338 / B 338 |
| For different materials please contact our sales department. |
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Heat Exchanger Stainless Steel ss u tube , ASME SA789 2205 Duplex Stainless Steel Pipe Images
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