gr b low carbon steel tube ผลิตออนไลน์

Erw Spiral Welded Astm Steel Seamless Carbon Steel Pipe Product Description: Sizes Bevel ends, varnishing, protected by plastic caps Steel Grade: 10#, 20#, 35#, 45#, Q345 (16Mn), X42, X52, X62, GR.B Standard: ... อ่านเพิ่มเติม

Carbon Welded Steel Pipes For Construction Project Seamless Cap Product Description: Sizes Bevel ends, varnishing, protected by plastic caps Steel Grade: 10#, 20#, 35#, 45#, Q345 (16Mn), X42, X52, X62, GR.B ... อ่านเพิ่มเติม

Seamless Steel Pipe Used For Petroleum Pipeline Steel Pipe Cap Product Description: Sizes Bevel ends, varnishing, protected by plastic caps Steel Grade: 10#, 20#, 35#, 45#, Q345 (16Mn), X42, X52, X62, GR.B ... อ่านเพิ่มเติม

Seamless Steel Pipe Used For Petroleum Pipeline Ssaw Steel Pipe Product Description: Sizes Bevel ends, varnishing, protected by plastic caps Steel Grade: 10#, 20#, 35#, 45#, Q345 (16Mn), X42, X52, X62, GR.B ... อ่านเพิ่มเติม

Carbon Welded Steel Pipes For Construction Project Product Description: Sizes Bevel ends, varnishing, protected by plastic caps Steel Grade: 10#, 20#, 35#, 45#, Q345 (16Mn), X42, X52, X62, GR.B Standard: GB8162... อ่านเพิ่มเติม

Mild steel q235 carbon black seamless steel pipe Product Description: Sizes Bevel ends, varnishing, protected by plastic caps Steel Grade: 10#, 20#, 35#, 45#, Q345 (16Mn), X42, X52, X62, GR.B Standard: GB8162... อ่านเพิ่มเติม

WN SO Alloy Steel Forged Flanges Nickel Base NO8810 6 Inch Nickel Base Flange Product Description: Name: alloy flange / NO8800 flange Material: NO8800/ NO8810 / NO8825 / NO6600 Standard: JIS/ ANSI /DIN /GB Item... อ่านเพิ่มเติม

WN SO Alloy Steel Forged Flanges Nickel Base NO8810 NO8805 NO6600 Nickel Flange Product Description: Name: alloy flange / NO8800 flange Material: NO8800/ NO8810 / NO8825 / NO6600 Standard: JIS/ ANSI /DIN /GB ... อ่านเพิ่มเติม