ASTM A573-00a, GRADE 58, 65, 70: CHEMICAL COMPOSITIONS, TENSILE TEST

ASTM A573-00a Structural Carbon Steel Plates of Improved Toughness

ASTM A573-00a Structural Carbon Steel Plates of Improved Toughness
Grade	Thickness	Chemical Compositions %					Tensile Test
	(t) mm	C	Si	Mn	P	S	Yield Point	Tensile Strength	Elongation
							ksi(N/mm2)	ksi(N/mm2)	Test piece in(mm)	%
										min
Grade58	t ≦ 38.10	0.23 max	0.1	0.6	0.035	0.04	32(220)	58-71(400-490)	GL ＝ 8(200)	21
			～	～
			0.35	0.9	max	max	min		GL ＝ 2(50)	24
Grade65	t ≦ 12.70	0.24 max	0.15	0.85			35(240)	65-77(450-530)	GL ＝ 8(200)	20
			～	～
	12.70 ＜ t ≦ 38.10	0.26 max	0.4	1.2			min		GL ＝ 2(50)	23
Grade70	t ≦ 12.70	0.27 max					42(290)	70-90(485-620)	GL ＝ 8(200)	18
	12.70 ＜ t ≦ 38.10	0.28 max					min		GL ＝ 2(50)	21