Structural Steel Pipe-SHANDONG MULTISTEEL CO.,LTD

Structural Steel Pipe

Carbon Steel Pipe

Structural Steel Pipe TechnicalChemical Components & Mechanical PropertiesStandardGradeChemical composition(%)Mechanical propertiesCSiMnPSTensile Strength(Mpa)Yield Strength(Mpa)Elongation(%)DN1629St37≤0.17––≤0.04≤0.04350-480≥235≥25St45≤0.21––≤0.04≤0.04420-550≥275≥21St52≤0.22≤0.5

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Products Description

Structural Steel Pipe Technical

Chemical Components & Mechanical Properties

Standard	Grade	Chemical composition(%)					Mechanical properties
Standard	Grade	C	Si	Mn	P	S	Tensile Strength(Mpa)	Yield Strength(Mpa)	Elongation(%)
DN1629	St37	≤0.17	–	–	≤0.04	≤0.04	350-480	≥235	≥25
	St45	≤0.21	–	–	≤0.04	≤0.04	420-550	≥275	≥21
	St52	≤0.22	≤0.55	≤1.60	≤0.04	≤0.035	500-650	≥355	≥21

Wall Thickness Tolerances

Wall Thickness Percent of OD	Maximum Percent Over & Under Nominal		Wall Thickness Percent of OD	Maximum Percent Over & Under Nominal
Wall Thickness Percent of OD	Under 1.499” ID	1.500” ID & Over	Wall Thickness Percent of OD	Under 38.07mm ID	38.07mm ID & Over
Under 10	10	7.5	Under 10	10	7.5
10 to 25	10	6	10 to 25	10	6
Over 25	12.5	7.5	Over 25	12.5	7.5