TIÊU CHUẨN THÉP ASTM A285-03

ASTM A285-03 Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength
Grade	Chemical Composition %				Tensile Test
	C	Mn	P	S	Yield Strength	Tensile Strength	Elongation
					ksi(N/mm2)	ksi(N/mm2)	Test piece in(mm)	％
Grade A	0.17max	0.90 max	0.035 max	0.035 max	24(165) min	45~65(310~450)	GL=8(200)	27 min
							GL=2(50)	30 min
Grade B	0.22 max				27(185) min	50~70(345~485)	GL=8(200)	25 min
							GL=2(50)	28 min
Grade C	0.28 max				30(205) min	55~75(380~515)	GL=8(200)	23 min
							GL=2(50)	27 min

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