A618 Gr.Ⅲ

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#A618 #Gr.Ⅲ

Description

A618 Gr.Ⅲ Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A618 Gr.Ⅲ

Category	Type	Steel Grade
Steel Grades	Carbon Steel	A618 Gr.Ⅲ
		A607 Gr.45
		A607 Gr.50
		A607 Gr.55
		A607 Gr.60
		A607 Gr.65
		A607 Gr.70
		A618 Gr.Ⅰ a
		A618 Gr.Ⅰ b
		A618 Gr.Ⅱ
		A618 K12600

Chemical composition(mass fraction)(wt.%) of the A618 Gr.Ⅲ

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.23	0.3	1.35	0.025	0.025
Mo	Al	Cu	Nb	Ti	V	Ce
			≥0.005		≥0.02
N	Co	Pb	B	Other

Mechanical Properties of steel grade A618 Gr.Ⅲ

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
264 (≥)	533 (≥)	33	12	24	Solution and Aging, Annealing, Ausaging, Q+T,etc	114

Physical Properties of steel grade A618 Gr.Ⅲ

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
43	-	-			0.43	-
138	156	-	11.3	432		-
362	-	22	31.2			333	123

Heat Treatment of steel grade A618 Gr.Ⅲ

Heat treated : 1378°C - 1574°C

Technological Curves of steel grade A618 Gr.Ⅲ

No Curve

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