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  • ASTM a387 grade 5 steel pipe basic knowledge of welding process
    2021-12-16
    ASTM a387 grade 5 steel pipe welding is a processing technology and connection method to produce atomic bonding between two workpieces by heating, pressurization or both. Welding is widely used, both for metal and non-metal.
  • Process system of ASTM a387 grade 9 steel pipe
    2021-12-16
    ASTM a387 grade 9 steel pipe executive standard: ASTM ASME. ASTM a387 grade 9 steel pipe delivery status: positive + tempered.

    Smelting method of ASTM a387 grade 9 steel pipe: electric furnace and LF/VD vacuum furnace external refining method are adopt
  • ASTM A106 gr. B seamless steel pipe test method for hardness
    2021-12-09
    ASTM A106 gr. B seamless steel pipe shall be tested for mechanical properties. ASTM A106 gr. B seamless steel pipe is widely used to manufacture structural parts and mechanical parts, such as petroleum drill pipe, automobile transmission shaft, bicycle fr
  • Three characteristics of ASTM A106 gr. A seamless steel pipe
    2021-12-09
    Corrosion resistance. Most ASTM A106 gr. A seamless steel pipe must have excellent corrosion resistance. Seamless steel pipe is similar to class I and II tableware, kitchen supplies, electric water heater, water dispenser, etc. Some foreign-funded enterpr
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