Jul 26,2019·China GOST St20 Seamless Steel Pipe China Seamless Steel Pipe,Carbon Seamless Steel Pipe.CuCr,CuCr1 pipe,rod,wire Sheet,strip foil.Tube Hot h45 mm Art.Limiting length deviations of tubes for measuring length and length,multiple gozt,should not exceed Titanium grade 17 Rod barwire.Expansion joints,valves Compensator Metal hose Mesh.OurMetalsPlease advise specifiaction and chemical composition of Steel pipes GOST 8731,grade 20,20MnV6,Gr.B.Please notice that only 20 steel grade in your list is Russian grade and is included in GOST 8731-87.To all appearances 20MnV6 is German grade whereas Gr.B is American grade included in some ASTM standard.Composition of the 20 steel grade C Some results are removed in response to a notice of local law requirement.For more information,please see here.12345Next
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