Republic 50

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#Republic # #50

Description

Republic 50 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Republic 50

Category	Type	Steel Grade
Steel Grades	Carbon Steel	Republic 50
		Orelloy 45
		Orelloy 50
		Orelloy 55
		Orelloy 60
		Orelloy 65
		Orelloy 70
		Orelloy 242
		Orelloy 588
		Orelloy AR
		Pitt-Ten No.1

Chemical composition(mass fraction)(wt.%) of the Republic 50

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15		0.5-1.0			0.3	0.4-1.1
Mo	Al	Cu	Nb	Ti	V	Ce
≥0.01		0.3-1.0	≥ 0.01		≥ 0.02
N	Co	Pb	B	Other

Mechanical Properties of steel grade Republic 50

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)
584 (≥)	541 (≥)	23	33	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	121

Physical Properties of steel grade Republic 50

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
44	-	-			0.33	-
621	917	-	31.3	431		-
168	-	34	31.2			221	111

Heat Treatment of steel grade Republic 50

Heat treated : 1784°C - 1532°C

Technological Curves of steel grade Republic 50

No Curve

Cross Reference Table (Equivalent Grade) of Republic 50

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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