GRINI 7

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#GRINI #7

Description

GRINI 7 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: GRINI 7

Category	Type	Steel Grade
Steel Grades	Mould Steel	GRINI 7
		GRIDUR 34
		GRIDUR 36
		GRIDUR 42
		GRIDUR 44
		GRIDUR 45
		GRIDUR 46
		GRIDUR 50
		GRIDUR 65
		GRIDUR 116
		GRINI 5

Chemical composition(mass fraction)(wt.%) of the GRINI 7

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	0.4	5			17	...
Mo	Al	Cu	Nb	Ti	V	Ce
1
N	Co	Pb	B	Other	CHINA
				Fe 6 Nb+Ta 2	Ni307B

Mechanical Properties of steel grade GRINI 7

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)
665 (≥)	862 (≥)	43	41	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	444

Physical Properties of steel grade GRINI 7

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
31	-	-			0.23	-
336	845	-	13.3	323		-
823	-	11	42.2			213	333

Heat Treatment of steel grade GRINI 7

Heat treated : 1444°C - 1317°C

Technological Curves of steel grade GRINI 7

No Curve

Cross Reference Table (Equivalent Grade) of GRINI 7

Grade	Standard	Country	Application
Q275		China	Engineering and welding
UNS G10170	UNS	USA	General use carbon steel bar
ASTM 1017	ASTM	USA	General use carbon steel bar
T7		China	Carbon tool steel
7CrSiMnMoV		China	Alloy tool steel - cold work steels
6Cr4W3Mo2VNb		China	Alloy tool steel - cold work steels
7Mn15Cr2A13V2WMo		China	Alloy tool steel - Without magnetic steel mold
SM3Cr17Mo		China	Plastic mould with flat steel
W7Mo4Cr4V2Co5		China	High-speed tool steel
UNS T72301	UNS	USA	Carbon tool steel
W2-A	ASTM	USA	Carbon tool steel
UNS T72302	UNS	USA	Carbon tool steel
T72305	UNS	USA	Carbon tool steel
A7	ASTM	USA	Alloy tool steel
T30107	UNS	USA	Alloy tool steel
D7	ASTM	USA	Alloy tool steel
T30407	UNS	USA	Alloy tool steel
O7	ASTM	USA	Alloy tool steel
T31507	UNS	USA	Alloy tool steel
ASTM A182 F55	ASTM	USA	Super Duplex

Available Suppliers

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Rfq.: sales@longhaisteel.com

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