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 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

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

During smelting or hot processing of ASTM A106 seamless pipe, due to the influence of some factors (such as non-metallic inclusions, gas, process selection or improper operation, etc.), defects will occur on the inside or surface of steel, which will seri