SKT 3

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#SKT #3

Description

SKT 3 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SKT 3

Category	Type	Steel Grade
Steel Grades	Tool Steel	SKT 3
		X30WCrV9-3
		SKD 6
		SKD 61
		X40CrMoV5-1
		SKD 62
		X35CrWMoV5
		SKD 7
		32CrMoV3-3
		SKD 8
		X38CrCoWV4-4-4

Chemical composition(mass fraction)(wt.%) of the SKT 3

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.5-0.6	0.35	0.6	0.03	0.02	0.9-1.2	0.25-0.6
Mo	Al	Cu	Nb	Ti	V	Ce
0.3-0.5		≤0.25			≤ 0.2
N	Co	Pb	B	Other

Mechanical Properties of steel grade SKT 3

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)
111 (≥)	916 (≥)	34	43	32	Solution and Aging, Annealing, Ausaging, Q+T,etc	444

Physical Properties of steel grade SKT 3

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	-	-			0.34	-
269	841	-	41.3	212		-
982	-	23	23.2			324	224

Heat Treatment of steel grade SKT 3

Heat treated : 1312°C - 1757°C

Technological Curves of steel grade SKT 3

No Curve

Cross Reference Table (Equivalent Grade) of SKT 3

Grade	Standard	Country	Application
SKT3	JIS	Japan	Hot-work die steel
SKT4	JIS	Japan	Hot-work die steel
SKT6	JIS	Japan	Hot-work die steel
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
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 1013	ASTM	USA	General use carbon steel bar
UNS G10130	UNS	USA	General use carbon steel bar
T13		China	Carbon tool steel
5Cr3Mn1SiMo1V		China	Alloy tool steel - Impact resistance tool steel
3Cr2W8V		China	Alloy tool steel - hot-work die steel
5Cr4Mo3SiMnVA1		China	Alloy tool steel - hot-work die steel
3Cr3Mo3W2V		China	Alloy tool steel - hot-work die steel

Available Suppliers

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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...

Rfq.: sales@longhaisteel.com

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