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Q195 Q235 seamless steel pipe with ASTM JIS Standard for construction
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Low temperture carbon steel 20 inch,Q345B seamless steel pipe/tube
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ASTM A106 Gr.B e235 n cold drawn seamless steel pipe
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Seamless tube steel pipe production line, large diameter astm a106 gr.b carbon seamless steel pipe
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350mm big diameter seamless steel pipe S345JR seamless pipe
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