SKD 12

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#SKD #12

Description

SKD 12 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: SKD 12

Category	Type	Steel Grade
Steel Grades	Tool Steel	SKD 12
		SKS 93
		SKS 94
		SKS 95
		SKD 1
		X210Cr12
		SKD 2
		X210CrW12
		SKD 10
		X153CrMoV12
		SKD 11

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

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.95-1.05	0.1-0.4	0.4-0.8	0.03	0.03	4.8-5.5	≤ 0.25
Mo	Al	Cu	Nb	Ti	V	Ce
0.9-1.2		≤0.25			0.15-0.35
N	Co	Pb	W	Other

Mechanical Properties of steel grade SKD 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)
695 (≥)	741 (≥)	42	21	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	242

Physical Properties of steel grade SKD 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
22	-	-			0.32	-
299	442	-	43.3	131		-
714	-	11	33.2			231	141

Heat Treatment of steel grade SKD 12

Heat treated : 1927°C - 1541°C

Technological Curves of steel grade SKD 12

No Curve

Cross Reference Table (Equivalent Grade) of SKD 12

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
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

Available Suppliers

Jiangyou Longhai Special Steel Co.,Ltd.

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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