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ASTM JIS BS EN Standard Seamless Steel Pipe Steel Tubes
Seamless steel pipe is made of perforated whole round steel, and the steel pipes without weld seam on the surface is called seamless steel pipes.
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ASTM A106 Gr.B Seamless Steel Pipe Steel Tubes
ASTM A106 GR.B carbon seamless steel pipe is a kind of carbon seamless pipes with hollow section.
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ASTM A53 Welded and Seamless Steel Pipe Steel Tubes
ASTM A 53 covers seamless and welded steel pipe with nominal wall thickness.
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API 5L Seamless Steel Pipe Welded Steel Tubes
API 5L generally refers to line pipe.
