A656 Type7

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#A656 # #Type7

Description

A656 Type7 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A656 Type7

Category	Type	Steel Grade
Steel Grades	Carbon Steel	A656 Type7
		A633 K01802
		A633 Gr.B
		A633 K01803
		A633 Gr.C
		A633 K12000
		A633 Gr.D
		A633 K02003
		A633 Gr.E
		A633 K12202
		A656 Type3

Chemical composition(mass fraction)(wt.%) of the A656 Type7

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.18	0.6	1.65	0.025	0.035
Mo	Al	Cu	Nb	Ti	V	Ce
			≤0.1		0.005-0.15
N	Co	Pb	B	Other
0.02

Mechanical Properties of steel grade A656 Type7

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)
769 (≥)	121 (≥)	43	32	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade A656 Type7

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
34	-	-			0.34	-
242	112	-	13.3	113		-
163	-	12	43.2			343	321

Heat Treatment of steel grade A656 Type7

Heat treated : 1735°C - 1928°C

Technological Curves of steel grade A656 Type7

No Curve

Cross Reference Table (Equivalent Grade) of A656 Type7

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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