Joho Steel Co., Ltd
JOHO STEEL CO.,LTD, founded in 1988, is a steel group which has integrated steel production, processing and trading into one. We specializes in manufacturing carbon seamless steel pipes, boiler tube
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A210 Grade C A1 Seamless Steel Tube Used For High Pressure Boiler Heat Exchanger
Product Description: GB3087-2008 "Seamless Steel Tubes for Low and Medium Pressure Boilers" and GB5310-95 "Seamless Steel Tubes for High Pressure Boilers". Appearance quality: cracks, folds, rolling folds, scars, delamination and hairlines are not allowed on the inner and outer surfaces of steel pipes. These defects should be completely removed. The cleaning depth shall not exceed the negative deviation of the nominal wall thickness, and the actual wall thickness of the cleaning place shall not be less than the minimum value allowed by the wall thickness.
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