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STKM18C

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STKM18B STKM19A
#STKM18C

Description

China CNS STKM18C China Taiwan Structural steel and STKM18C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: STKM18C
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel STKM18C CNS China China Taiwan Structural steel
STKM14B
STKM14C
STKM15A
STKM15C
STKM16A
STKM16C
STKM17A
STKM17C
STKM18A
STKM18B

Chemical composition(mass fraction)(wt.%) of the STKM18C

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.18 0.55 Max 1.50 0.04 0.04

Mechanical Properties of steel grade STKM18C

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)
715 (≥) 859 (≥) 32 41 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade STKM18C

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
13 - -     0.13 -  
112 715 - 34.3 411   -  
876 - 23 33.2   124 422

Heat Treatment of steel grade STKM18C

Heat treated : 1798°C - 1219°C

Technological Curves of steel grade STKM18C

Cross Reference Table (Equivalent Grade) of STKM18C

Grade Standard Country Application
STKM18C CNS China China Taiwan Structural steel
STKM18B STKM19A
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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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