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- 2020/10/19API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE
- 2020/10/19API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
- 2020/10/19API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE
- 2020/10/19API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)
- 2020/10/19API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
- 2020/10/19API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)
- 2020/10/12API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPE
- 2020/10/12API 5L GR.B/ASTM A53 GR.B, CARBON STEEL, LSAW STEEL PIPE
- 2020/10/9API 5L/ASTM A106 GR.B, Seamless Carbon Steel Pipe
- 2020/10/9API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe)
- 2020/10/9API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe)
- 2020/10/9API 5L GR.B/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE)
- 2020/10/10What kind of connection is the flange
- 2020/10/10What is the difference between butt welding flange and flat welding flange
- 2020/10/9China’s steel export softens, trade warms
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