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ML18

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ML15 ML20
#ML18

Description

China GBT ML18 China structural steel and alloy steel and ML18 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: ML18
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel ML18 GBT China China structural steel and alloy steel
A70354
A71145
A71204
A71354
A20378
A74204
A73154
A73204
ML10
ML15

Chemical composition(mass fraction)(wt.%) of the ML18

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) Cu(%)
0.15-0.20 Max 0.20 Max 0.60 0.035 0.035 Max 0.20 — — 0.2

Mechanical Properties of steel grade ML18

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)
226 (≥) 245 (≥) 33 13 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade ML18

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
23 - -     0.14 -  
116 567 - 24.3 221   -  
164 - 22 23.2   433 243

Heat Treatment of steel grade ML18

Heat treated : 1254°C - 1526°C

Technological Curves of steel grade ML18

Cross Reference Table (Equivalent Grade) of ML18

Grade Standard Country Application
ML18Mn GBT China China structural steel and alloy steel
ML18 GBT China China structural steel and alloy steel
ML15 ML20
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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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