SKD 61

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#SKD #61

Description

SKD 61 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SKD 61

Category	Type	Steel Grade
Steel Grades	Tool Steel	SKD 61
		X210CrW12
		SKD 10
		X153CrMoV12
		SKD 11
		SKD 12
		100CrMoV5
		SKD 4
		SKD 5
		X30WCrV9-3
		SKD 6

Chemical composition(mass fraction)(wt.%) of the SKD 61

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.35-0.42	0.8-1.2	0.25-0.5	0.03	0.02	4.8-5.5	≤0.25
Mo	Al	Cu	Nb	Ti	V	Ce
1.0-1.5		≤0.25			0.8-1.15
N	Co	Pb	B	Other

Mechanical Properties of steel grade SKD 61

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)
574 (≥)	813 (≥)	24	21	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	223

Physical Properties of steel grade SKD 61

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	-	-			0.34	-
961	247	-	13.3	132		-
142	-	12	42.2			341	123

Heat Treatment of steel grade SKD 61

Heat treated : 1653°C - 1492°C

Technological Curves of steel grade SKD 61

No Curve

Cross Reference Table (Equivalent Grade) of SKD 61

Grade	Standard	Country	Application
SKD1	JIS	Japan	Cold Work Die Steel
SKD2	JIS	Japan	Cold Work Die Steel
SKD11	JIS	Japan	Cold Work Die Steel
SKD12	JIS	Japan	Cold Work Die Steel
SKD4	JIS	Japan	Hot-work die steel
SKD5	JIS	Japan	Hot-work die steel
SKD6	JIS	Japan	Hot-work die steel
SKD61	JIS	Japan	Hot-work die steel
SKD62	JIS	Japan	Hot-work die steel
SKD7	JIS	Japan	Hot-work die steel
SKD8	JIS	Japan	Hot-work die steel
M61	AISI	USA	Powder metallurgy high-speed tool steel
61CrSiV5	DIN	Germany	Cold working alloy tool steel
1.2361	DIN	Germany	Cold working alloy tool steel
STD61			Carbide for cutting tools
STD61			Carbide for cutting tools
S41610	UNS	USA	Martensitic special steel
S41610	UNS	USA	Martensitic special steel
ASTM 615	ASTM	USA	precipitation hardening

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Rfq.: sales@longhaisteel.com

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