S4

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#S4

Description

S4 Mould Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Mould Steel: S4

Category	Type	Steel Grade
Steel Grades	Mould Steel	S4
		ECrMo9
		ECrMoWV12
		SG1
		SG2
		SG3
		SGR1
		SGR2
		S1
		S2
		S3

Chemical composition(mass fraction)(wt.%) of the S4

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Cr	Ni
0.08-0.16	0.15-0.25	1.75-2.25	0.025	0.025	≤ 0.15	≤0.15
Mo	Al	Cu	Nb	Ti	V	Ce
		≤ 0.30
N	Co	Pb	B	Other

Mechanical Properties of steel grade S4

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)
234 (≥)	527 (≥)	34	33	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	344

Physical Properties of steel grade S4

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	-	-			0.42	-
882	845	-	22.3	211		-
284	-	14	14.2			234	414

Heat Treatment of steel grade S4

Heat treated : 1537°C - 1154°C

Technological Curves of steel grade S4

No Curve

Cross Reference Table (Equivalent Grade) of S4

Grade	Standard	Country	Application
S4	ASTM	USA	Alloy tool steel
SS440	JIS	Japan	SS440
SKS4	JIS	Japan	shock-resistant steel
SKS41	JIS	Japan	shock-resistant steel
SKS43	JIS	Japan	shock-resistant steel
SKS44	JIS	Japan	shock-resistant steel
TS4	AFNOR	France	Carbide for cutting tools
TS4	AFNOR	France	Carbide for cutting tools
S40	AFNOR	France	Carbide for cutting tools
S40	AFNOR	France	Carbide for cutting tools
STS4			Carbide for cutting tools
STS4			Carbide for cutting tools
STS4			Carbide for cutting tools
STS4			Carbide for cutting tools
STS41			Carbide for cutting tools
STS41			Carbide for cutting tools
STS43		Sweden	Carbide for cutting tools
STS43		Sweden	Carbide for cutting tools
STS44			Carbide for cutting tools
STS44			Carbide for cutting tools

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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