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shenlong
shenlong  created a new article
3 yrs

Seamless steel pipe identification and inspection | #seamless steel pipe

Seamless steel pipe identification and inspection
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Seamless steel pipe identification and inspection

1.shoddy seamless steel pipe is easy to scratch, the reason is that shoddy seamless steel pipe manufacturer equipment is rudimentary, easy to produce burrs, scratch the surface of the steel. Deep scratches reduce the strength of the steel.

2.The shoddy seamless steel pipe has no m
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