Chrome core 12

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#Chrome #core #12

Description

Chrome core 12 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Chrome core 12

Category	Type	Steel Grade
Steel Grades	High Alloy	Chrome core 12
		Carpenter 20Cb 3
		Carpenter 20 Cb 3 Mod
		Carpenter 20 Mo 4
		Carpenter 20 Mo 6
		Carpenter CCM
		Carpenter JBK
		Carpenter P6
		CG27
		Chrome core 8
		Chrome core 8FM

Chemical composition(mass fraction)(wt.%) of the Chrome core 12

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.03	0.3-0.7	0.2-0.7	0.03	0.03	11.5-12.5
Mo	Al	Cu	Nb	Ti	V	Ce
0.3-0.5
N	Co	Pb	B	Other

Mechanical Properties of steel grade Chrome core 12

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)
333 (≥)	577 (≥)	42	31	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	414

Physical Properties of steel grade Chrome core 12

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
14	-	-			0.12	-
935	364	-	33.3	342		-
794	-	32	22.2			132	343

Heat Treatment of steel grade Chrome core 12

Heat treated : 1863°C - 1727°C

Technological Curves of steel grade Chrome core 12

No Curve

Cross Reference Table (Equivalent Grade) of Chrome core 12

Grade	Standard	Country	Application
UNS G10120	UNS	USA	General use carbon steel bar
T12		China	Carbon tool steel
Cr12		China	Alloy tool steel - cold work steels
Cr12Mo1V1		China	Alloy tool steel - cold work steels
Cr12MoV		China	Alloy tool steel - cold work steels
SMCr12Mo1V1		China	Plastic mould with flat steel
W12Cr4V5Co5		China	High-speed tool steel
H12	ASTM	USA	Alloy tool steel
T20812	UNS	USA	Alloy tool steel
H13	ASTM	USA	Alloy tool steel
T12002	UNS	USA	Tungsten series High-Speed Tool Steel
T12004	UNS	USA	Tungsten series High-Speed Tool Steel
T12005	UNS	USA	Tungsten series High-Speed Tool Steel
T12006	UNS	USA	Tungsten series High-Speed Tool Steel
T12008	UNS	USA	Tungsten series High-Speed Tool Steel
T12015	UNS	USA	Tungsten series High-Speed Tool Steel
CH-12	ASTM	USA	Casting tool steels and powder metallurgy tool steel
CQ-12	AISI	USA	W-Co class carbide
CY-12	AISI	USA	W-Ti-Co class carbide
Stellite 12			Stellite alloy

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