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ARK offers JIS G3462 STBA22 Alloy boiler and heat exchanger tubes are manufactured by seamless process or by electric resistance welding process.Low temperature annealing shall not be applied to the electric resistance welded steel tube.
JIS G3462 STBA22 Alloy boiler and heat exchanger tubes
Standard:JIS G3462
Alloy steel tubes for boiler and heat exchanger
JIS G3462 specifies the alloy steel tubes (hereafter referred to as "tubes") used for exchanging heat between the inside and outside of the tube, such as water tubes,smoke tubes, superheater tubes and air preheater tubes of boilers, and heat exchanger tubes, condenser tubes and catalyst tubes used in chemical and petroleum industries.
Manufacturing method
(1)JIS G3462 STBA22 Alloy boiler and heat exchanger tubes are manufactured by seamless process or by electric resistance welding process
(2) Plain end finishing are applied to the shape of tube end.
| JIS G3462 STBA22 ALLOY BOILER AND HEAT EXCHANGER TUBES | |
| Outside Diameter | 12.7mm ~ 127mm |
| Wall Thickness | 0.5mm ~ 12.7mm |
| Length | Up to 25m |
| Standard | JIS G3461 JIS G3462, etc. |
| Grade | STBA 22, STBA 23, STB340, etc. |
| Delivery Condition | Pickled, Polished, Bright Annealed |
| Technique | Seamless | Welded |
| Application | Heat-exchanger, Heater, Boiler, Condenser Equipment |
| Marking | LOGO, Standard, Grade, Size, Heat Number. |
| Package | Woven bag, wooden case or as per customer's requirement. |
| Quality Requirement | Mill Test Certificate (EN 10204/3.1); Third Part Inspection is acceptable. |
