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SAW SSAW HSAW DSAW Welded pipes welded piping welded piles API5L X42M PSL2 Stcoks on Sales,PETROL STEEL CO., LTD,JACKY WINN,0086 159 0035 7871,sales@petrolsteel.com,jackywinn@foxmail.com​

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JIS SCM440,DIN 42CrMo4,W-Nr.1.7225,ASTM 4140,BS 708M40,NF 42CD4,ISO 683-3,JIS SCM435,DIN 34CrMo4,W-Nr.1.7220,ASTM 4135,NF 35CD4,GOST 35XM,JIS SCM430,DIN 34CrMo4,W-Nr.1.7220,ASTM 4130,NF 30CD4,GOST 30XM,JIS SCM420,NF 18CD4,DIN 25CrMo4,W-Nr.1.7218,GOST 20XM