Mayari R-50

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#Mayari # #R-50

Description

Mayari R-50 Carbon Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Carbon Steel: Mayari R-50

Category	Type	Steel Grade
Steel Grades	Carbon Steel	Mayari R-50
		Kaisaloy AR
		Lukens A242
		Lukens A588
		Lukens Gr.45
		Lukens Gr.50
		Lukens Gr.55
		Lukens Gr.60
		Lukens Gr.65
		Man-Ten
		Mayari R

Chemical composition(mass fraction)(wt.%) of the Mayari R-50

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.2	0.15-0.3	0.75-1.25			0.4-0.7	0.25-0.5
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 Mayari R-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)
538 (≥)	922 (≥)	23	22	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	323

Physical Properties of steel grade Mayari R-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
33	-	-			0.23	-
877	492	-	31.3	433		-
429	-	41	12.2			313	142

Heat Treatment of steel grade Mayari R-50

Heat treated : 1128°C - 1394°C

Technological Curves of steel grade Mayari R-50

No Curve

Cross Reference Table (Equivalent Grade) of Mayari R-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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