JIS G3444 STK400 Hot Rolled seamless Steel Pipe

STK400 tubing testing and inspection:

Chemical analysis,Tensile test,Surface inspection,impact test etc.

The minimum elongation of JIS G3444 STK400 seamless steel pipeline is 23%.STK400 steel tubing has excellent welding performance and toughness.

JIS G3444 is the standard of carbon steel tubes for general structural purposes. JIS G3444 STK400 steel tube minimum tensile strength of 400MPa, yield strength of 235MPa.

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