Huaqiang

JIS G3452


JIS G3452 Japanese Industrial Standard specifies the carbon steel pipes, used for the piping for conveying steam, water, oil, gas, air, etc. At comparatively low working pressures.

NACE MR 0175


NACE MR0175/ISO 15156 provides common rules, gives suggestions and requirements to select qualified steel materials, that served in equipment used in oil and gas production, and in natural gas sweentening plants in H2S-containing environments

JIS G3444


JIS G3444 is the standard of carbon steel tubes for general structural purposes

JIS G3441


This Japanese Industrial Standard specifies the alloy steel tubes, hereinfter referred to as the"tubes", used for machinery, automobiles and other machine parts.

BS 3059


Specifies requirements for plain end, seamless and welded, carbon and alloy steel tubes and for cold finished seamless austenitic steel tubes

BS 1387


BS 1387 welded steel tube in produced is four thickness classes --- A1, Light, Medium and Heavy and available in black finish or hot dipped galvanized finish in 6 meter uniform mill lengths.
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