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ARK offers JIS G3461 STB 340 Boiler and Heat Exchanger Tubes are manufacture by Seamless , Electric resistance welded.The cold finished electric resistance welded steel tube which has been normalized prior to cold finishing may be finished by annealing.
JIS G3461 STB 340 Boiler and Heat Exchanger Tubes
Standard: JIS G3461
Carbon Steel Tubes for Boiler and Heat Exchanger
JIS G3461 STB 340 specifies the carbon steel tubes, hereinafter referred to as the "tubes", used for exchanging heat on the inside and outside of the tube, such as water tubes, smoke tubes, superheater tubes, air preheater tubes, etc. of the boiler, and heat exchanger tubes, condenser tubes, catalyzer tubes, etc. used in chemical and petroleum industries.
Method of manufacture
Seamless; Electric resistance welded, Cold finished ,Hot finished
| JIS G3461 STB340 Tubes for Boilers and Heat Exchangers | |
| 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. |
