Karaniwang BS 1387, BS EN 10297, BS 4568, BS EN10217, JIS G3457 Grade 10#-45#, Cr-Mo alloy, 15NiCuMoNb5, 10Cr9Mo1VNb, A53-A369 mm Out diameter 610 mm ang kapal ng pader - 612 mm ang lapad ng labas - Seksyon 610 mm. Application Fluid Pipe Surface Treatment na barnisan, takip, pagmamarka ng Certification API ...
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