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Seamless Steel Pipe ASTM A53 A106 1/2"-12" Hot Rolled Ms Carbon Steel Seamless Steel Pipe for Structure/Oil and Gas, Find Details and Price about Carbon Steel Pipe A106 Steel Pipe from Seamless Steel Pipe ASTM A53 A106 1/2"-12" Hot Rolled Ms Carbon Steel Seamless Steel Pipe for Structure/Oil and Gas - Tianjin Boer King Steel Import and Export Co., Ltd.