EStE 420

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#EStE # #420

Description

EStE 420 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: EStE 420

Category	Type	Steel Grade
Steel Grades	Carbon Steel	EStE 420
		1.8902
		StE 420
		S420N
		1.8932
		WStE 420
		P420NH
		1.8912
		TStE 420
		S420NL
		1.8913

Chemical composition(mass fraction)(wt.%) of the EStE 420

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.20	0.10-0.60	1.00-1.70	0.025	0.015	≤0.30	≤ 1.00
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.10	≥0.020	≤0.70	≤0.05		≤ 0.20
N	Co	Pb	B	Other
≤0.020				Nb+Ti+V ≤0.22

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.20	0.10-0.60	1.00-1.70	0.025	0.015	≤0.30	≤ 1.00
Mo	Al	Cu	Nb	Ti	V	Ce
≤0.10	≥0.020	≤0.70	≤0.05		≤ 0.20
N	Co	Pb	B	Other
≤0.020				Nb+Ti+V ≤0.22

Mechanical Properties of steel grade EStE 420

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)
391 (≥)	318 (≥)	42	23	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	322

Physical Properties of steel grade EStE 420

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
41	-	-			0.21	-
714	452	-	42.3	334		-
297	-	21	24.2			333	122

Heat Treatment of steel grade EStE 420

Heat treated : 1276°C - 1314°C

Technological Curves of steel grade EStE 420

No Curve

Cross Reference Table (Equivalent Grade) of EStE 420

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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