Chrome core 18-FM

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#Chrome # #core # #18-FM

Description

Chrome core 18-FM High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Chrome core 18-FM

Category	Type	Steel Grade
Steel Grades	High Alloy	Chrome core 18-FM
		Carpenter CCM
		Carpenter JBK
		Carpenter P6
		CG27
		Chrome core 8
		Chrome core 8FM
		Chrome core 12
		Chrome core 12-FM
		Chrome core 13
		Chrome core 13-FM

Chemical composition(mass fraction)(wt.%) of the Chrome core 18-FM

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.15	0.9	00.4	0.02	0.3	17.5	0.2
Mo	Al	Cu	Nb	Ti	V	Ce
1.75
N	Co	Pb	B	Other
				Fe... Nb/Ta 0.25

Mechanical Properties of steel grade Chrome core 18-FM

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)
524 (≥)	592 (≥)	11	13	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	211

Physical Properties of steel grade Chrome core 18-FM

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
11	-	-			0.33	-
561	195	-	21.3	414		-
245	-	31	31.2			114	444

Heat Treatment of steel grade Chrome core 18-FM

Heat treated : 1258°C - 1544°C

Technological Curves of steel grade Chrome core 18-FM

No Curve

Cross Reference Table (Equivalent Grade) of Chrome core 18-FM

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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