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320S18

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318S17 326S42
#320S18

Description

UK 320S18 austenitic special steel and 320S18 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Steel: 320S18
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel 320S18 UK austenitic special steel
309S20
310S17
310S25
314S25
316S14
316S19
316S33
317S11
317S17
318S17

Chemical composition(mass fraction)(wt.%) of the 320S18

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Ti(%)
Max 0.08 Max 1.00 Max 2.00 Max 0.045 Max 0.03 16.5-18.5 10.5-13.5 2.00-2.50 5×CMax 0.80

Mechanical Properties of steel grade 320S18

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
478 (≥) 997 (≥) 44 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade 320S18

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 - -     0.43 -  
572 567 - 33.3 342   -  
977 - 14 13.2   141 123

Heat Treatment of steel grade 320S18

Heat treated : 1445°C - 1342°C

Technological Curves of steel grade 320S18

Cross Reference Table (Equivalent Grade) of 320S18

Grade Standard Country Application
320S18 UK austenitic special steel
318S17 326S42
Available Suppliers
Jiangyou Longhai Special Steel Co.,Ltd.
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...

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