A485 Grade2

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#A485 # # #Grade2

Description

A485 Grade2 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A485 Grade2

Category	Type	Steel Grade
Steel Grades	Carbon Steel	A485 Grade2
		100CrMnSi6-6
		B5
		100CrMo7
		B6
		100CrMo7-3
		B7
		100CrMo7-4
		B8
		100CrMnMoSi8-4-6
		A485 Grade1

Chemical composition(mass fraction)(wt.%) of the A485 Grade2

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.85-1	0.5-0.8	1.4-1.7	0.025	0.015	1.4-1.8	≤0.25
Mo	Al	Cu	Nb	Ti	V	Ce
0.1	≤ 0.05	≤0.3
N	O2	Pb	B	Other
	≤0.0015

Mechanical Properties of steel grade A485 Grade2

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)
176 (≥)	157 (≥)	31	14	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade A485 Grade2

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
12	-	-			0.42	-
145	568	-	22.3	232		-
784	-	32	31.2			143	312

Heat Treatment of steel grade A485 Grade2

Heat treated : 1699°C - 1928°C

Technological Curves of steel grade A485 Grade2

No Curve

Cross Reference Table (Equivalent Grade) of A485 Grade2

Grade	Standard	Country	Application
Q195		China	Engineering and welding
Q215		China	Engineering and welding
Q215 B		China	Engineering and welding
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q255 A		China	Engineering and welding
Q255 B		China	Engineering and welding
Q275		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with steel
Q345q E		China	Bridge structure with steel
Q345q C		China	Bridge structure with steel
ASTM 1030	ASTM	USA	General use carbon steel bar
UNS G10300	UNS	USA	General use carbon steel bar
ASTM 1005	ASTM	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
ASTM 1006	ASTM	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar

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