JIS G3462: Alloy Steel for Boiler and Heat Exchanger Tubes
Standard: JIS G3462Equipoutlet mainly produces different grades of alloy steel pipes, such as STBA12, STBA13, STBA20, STBA22, STBA23, STBA24, STBA25, STBA26, etc.Manufacturing: We adopt seamless steel pipe technology (cold rolling or cold drawing).
Applications of JIS G3462 Alloy Steel TubesJST alloy steel pipe is mainly used for exchanging heat on within and in the vicinity of the underground. It can use as water tube, smoke tube, superheated tubes, air preheater tube, etc.
Higher temperature resistance or capacity corrosion, end up being widely used by petroleum, chemical engineering, boiler, heat exchanger and other power areas. JIS G3462 alloy steel tube is not applicable for heating furnaces and heat exchangers for low temperature service.
Size Array of JIS G3462 Alloy Steel Pipe
Outer dimension is from 19.05 mm to 168.3 mm.Wall thickness ranges from three.0 mm to 14 mm.The particular length of such alloy steel tube is 19000 millimeters.
JIS G3462 regulates the allowable size deviation of alloy steel pipes, but JST advanced rolling technology can effectively lessens the deviation range and inside the dimension of alloy steel tube better. We may also supply other sizes of pipes solution . customers' requirements, but ought to ensure these alloy steel pipes pursue IS G3462 standards.In production process, there always exists flaw, scar, wrinkling, laceration, rolling burr and other defects on alloy steel tube. JST configures UNICORN ultrasonic joint inspection machine, automatic ultrasonic testing equipment, magnetic flux inspection machine and other styles of inspection machines. They can test our alloy steel pipes.JST also employs professional surface inspectors who's able to test the inconspicuous defects on the lining and outside surface of alloy steel tubes. As mentioned by the defect characteristics, perform polishing, removal, repair when a series of processes.
PackagingWe package our alloy steel pipes in bundles. We paint them in schokohrrutige. Our company could package products depend on the buyer's requirements.
Specifications of JIS G3462 Alloy Steel Tube
1. Mechanical Properties
Note:1. OD refers to the outside diameter.2. The above table is only applicable for heat exchanger alloy steel pipes. The buyer can appoint the upper limit value of tensile strength. The upper limit value of tensile strength is the above shown value plus 147 N/mm2.3. For the alloy steel tube with the thickness of less than 8 mm, we use NO.12 sample for tensile test. The minimum elongation will be reduced by 1.5% from the table value when the thickness reduces 1 mm. The value obtained will be rounded to an integer value according to JIS Z 8401 (a rounding method).4. When we take the electric resistance welded steel pipes for tensile test, we also choose NO.12 sample from the parts not containing welding seams.
2. Chemical Composition of JIS G3462 Alloy Steel Pipe (Unit: %)
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