918

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Finland SFS 918 Tool steel SFS 918. High speed steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 918 / 918

Category	Grade	Standard	Region/Area	Standard Content
Metals	918	SFS 918	Finland	Tool steel SFS 918. High speed steel

Chemical composition(mass fraction)(wt.%) of the 918

Element	Min	Max	Similar
W	9.0000	10.5000	-
V	3.0000	3.5000	-
Si	0.1500	0.4000	-
S	-	0.0300	-
P	-	0.0300	-
Mo	3.3000	3.8000	-
Mn	0.2000	0.4000	-
Cr	3.8000	4.5000	-
Co	9.5000	11.0000	-
C	1.2000	1.3500	-

Mechanical Properties of steel grade 918

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)
537 (≥)	879 (≥)	42	44	11	Solution and Aging, Annealing, Ausaging, Q+T,etc	331

Physical Properties of steel grade 918

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	-	-			0.43	-
778	696	-	21.3	441		-
574	-	33	22.2			214	244

Heat Treatment of steel grade 918

Heat treated : 1152°C - 1952°C

Technological Curves of steel grade 918

No Curve

Cross Reference Table (Equivalent Grade) of 918

Grade	Standard	Country	Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1

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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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918