R780 geological drilling seamless steel tube

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R780 geological drilling seamless steel tube
Posting date : Nov 17, 2011
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72-
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Detailed Description
Trade Lead Description: 1.Productions:geological drilling seamless steel tube / stem in China 2.Material : DZ55(45Mn2)、R780(36Mn2V)、R780(42MnMo7 3.Specification: 42*5/6/6.5 50*6/6.5 60*7.1 63.5*7.5 73*9.19 89*9.35 127*9.19/10 4.Length: 9M OR According to your requirements 5.Standard: APL5L, API5CT 6.Black: hot rolling

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