A588 Gr.B

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#A588 # #Gr.B

Description

A588 Gr.B Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: A588 Gr.B

Category	Type	Steel Grade
Steel Grades	Carbon Steel	A588 Gr.B
		Cr.50
		Cr.55
		k02703
		A572 Gr.42
		A572 Gr.50
		A572 Gr.55
		A572 Gr.60
		A572 Gr.65
		A588 Gr.A
		A588 K11430

Chemical composition(mass fraction)(wt.%) of the A588 Gr.B

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.2	0.15-0.5	0.75-1.35	0.04	0.05	0.4-0.7	≤0.5
Mo	Al	Cu	Nb	Ti	V	Ce
		0.2-0.4			0.01-0.1
N	Co	Pb	B	Other

Mechanical Properties of steel grade A588 Gr.B

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)
421 (≥)	514 (≥)	33	44	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade A588 Gr.B

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
23	-	-			0.22	-
958	297	-	31.3	421		-
759	-	11	13.2			422	433

Heat Treatment of steel grade A588 Gr.B

Heat treated : 1557°C - 1281°C

Technological Curves of steel grade A588 Gr.B

No Curve

Cross Reference Table (Equivalent Grade) of A588 Gr.B

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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