23 12Nb

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#23 # #12Nb

Description

23 12Nb Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: 23 12Nb

Category	Type	Steel Grade
Steel Grades	Mould Steel	23 12Nb
		1.4009
		18
		1.4015
		17 11
		19 9
		1.4302
		19 9nC
		1.4316
		23 12nC
		1.4332

Chemical composition(mass fraction)(wt.%) of the 23 12Nb

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08					22.0-25.0	11.0-14.0
Mo	Al	Cu	Nb	Ti	V	Ce
			8*C-1.1
N	Co	Pb	B	Other

Mechanical Properties of steel grade 23 12Nb

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)
281 (≥)	772 (≥)	33	42	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	144

Physical Properties of steel grade 23 12Nb

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
44	-	-			0.13	-
773	961	-	11.3	232		-
258	-	21	11.2			423	224

Heat Treatment of steel grade 23 12Nb

Heat treated : 1728°C - 1981°C

Technological Curves of steel grade 23 12Nb

No Curve

Cross Reference Table (Equivalent Grade) of 23 12Nb

Grade	Standard	Country	Application
Q235		China	Engineering and welding
Q235 B		China	Engineering and welding
Q235 C		China	Engineering and welding
Q235 D		China	Engineering and welding
Q235q C		China	Bridge structure with steel
Q235q D		China	Bridge structure with 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
T20823	UNS	USA	Alloy tool steel
T11323	UNS	USA	Molybdenum series High-speed tool steel
ASP23	AISI	USA	Powder metallurgy high-speed tool steel
Stellite 23			Stellite alloy
Stellite 238			Stellite alloy
1.2235	DIN	Germany	Cold working alloy tool steel
1.2305	DIN	Germany	Cold working alloy tool steel
1.2307	DIN	Germany	Cold working alloy tool steel
1.2311	DIN	Germany	Cold working alloy tool steel
1.2312	DIN	Germany	Cold working alloy tool steel

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Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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