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In order to obtain the seamless tube with smaller size and better quality, the method of cold rolling, cold drawing or the combination of the two must be used. Cold rolling is usually carried out on a two high mill, and JIS G3114 hot-rolled plate grade SMA490BW pipes are rolled in a circular pass composed of a variable cross-section circular groove and a fixed conical head. Cold drawing is usually carried out on single chain or double chain cold drawing machines of 0.5-100t.
JIS G3114 hot-rolled plate grade SMA490BW, S235J0W mechanical performance analysis:S235J0W thickness is not more than 16mm, yield strength is not less than 235MPa, tensile strength is 360MPa-510MPa;S235J0W thickness 16mm-40mm, yield strength not less than 225MPa, tensile strength 360MPa-510MPa;S235J0W thickness 40mm-100mm, yield strength not less than 215MPa, tensile strength 360MPa-510MPa;S235J0W thickness 100mm-150mm, yield strength not less than 195MPa, tensile strength 350MPa-500MPa.
We have very professional workshops for thin plates/ coils, JIS G3114 hot-rolled plate grade SMA490BW, medium and general thick plates. And also special workshop to produce thick plates that thickness is more than 300mm. we produce the steel plate include carbon and low alloy high strength steel plate, shipbuilding and offshore platform steel plate, boiler and pressure vessel steel plate, weather resistant steel plate, pipeline steel plate, alloy steel plate, automobile structure steel plate, and gas cylinder steel coil etc.
we are the best professional steel manufacturer in China. We can supply kinds of steel product size，if you want to purchase steel plate or steel pipe and other products. Please contact us freely. we can give you the JIS G3114 hot-rolled plate grade SMA490BW best price with high quality.