
Cold drawn seamless steel pipe, hot rolled seamless steel pipe API 5L, ASTM A53, ASTM A106, ASTM A335, ASTM A213, ASTM
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Applicable to the general structure, mechanical structure ASTM A53, ASTM A106, ASTM A500-98, ASTM A501-98, ASTM
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Applies to water, air, heating steam, gas and other low-pressure fluid delivery ASTM A53-98, JIS G3452-1998, JIS
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High-pressure boiler tube, Low-medium pressure boiler tube ASTM A179, ASTM A106, JIS G3454
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