GRICAST 55

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#GRICAST # # #55

Description

GRICAST 55 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GRICAST 55

Category	Type	Steel Grade
Steel Grades	Mould Steel	GRICAST 55
		GRIDUR 44
		GRIDUR 45
		GRIDUR 46
		GRIDUR 50
		GRIDUR 65
		GRIDUR 116
		GRINI 5
		GRINI 7
		GRICAST 1
		GRICAST 31

Chemical composition(mass fraction)(wt.%) of the GRICAST 55

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
3.3	2.1					1
Mo	Al	Cu	Nb	Ti	V	Ce

N	Co	Pb	B	Other	CHINA
				Fe ...	Z208

Mechanical Properties of steel grade GRICAST 55

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)
276 (≥)	686 (≥)	43	43	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade GRICAST 55

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
13	-	-			0.24	-
738	857	-	43.3	342		-
773	-	42	33.2			443	212

Heat Treatment of steel grade GRICAST 55

Heat treated : 1856°C - 1134°C

Technological Curves of steel grade GRICAST 55

No Curve

Cross Reference Table (Equivalent Grade) of GRICAST 55

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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