ABS EQ70, AB EQ70-Z35 steel plate usage

AB EQ70-Z35 steel Applicable scope:
This technology conditions apply to AB EQ70-Z35 quenched and tempered steel plate which thickness is 152.4mm.

It stipulates the size, shape, weight and tolerance allowance, technical requirements, test method, package, marking and mill test certificate etc.

AB EQ70-Z35 steel Allowable Tolerance:
The tolerance of thickness: -0.3~+3.0mm
The tolerance of width: 0~+20.0mm
The tolerance of length: 0~+50.0mm
The straightness requirements: longitudinal≤3mm/m, Full length≤6mm, Full length distortion≤4mm; Crosswise≤2mm/m and ≤4mm/2m, Full width≤4mm.

AB EQ70-Z35 steel Technical requirements:
Chemical composition (Heat analysis)
Smelting process: The steel is fine grain calm steel by electronic furnace +LF/VD
Delivery condition: quenched and tempered

AB EQ70-Z35 steel Chemical Composition:

C	Si	Mn	P	S	Ni	Cr	Mo	Nb	V	Ti	B	Al	Ceq
0.14	0.15	0.95	≤0.020	≤0.005	1.2	1	0.4	0.015	0.03	0.007	≤0.005	0.02	≤0.78
0.18	0.35	1.3	≤0.020	≤0.005	1.5	1.5	0.6	0.05	0.08	0.05	≤0.005	0.06	≤0.78

Note: Ceq(%)=C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15

AB EQ70-Z35 steel plate mechanical testing:

Size mm	Tensile Test					Impact Test			Hardness	Z Reduction
	Tensile Test					Impact Test			(T/4) HB	of Area
	Direction	Yield	Tensile	Elongation	Reduction	Site	Celsius	Value		(T/4) %
	Direction	Mpa	Mpa	A5,%	of Area	Site	℃	J
152.4	Transverse	≥690	770-940	≥14	≥50	T/4	-40	≥46	235-293	≥35