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STKM12C

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STKM12B STKM13A
#STKM12C

Description

China CNS STKM12C China Taiwan Structural steel and STKM12C Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: STKM12C
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel STKM12C CNS China China Taiwan Structural steel
S9CK
S15CK
S20CK
SAPH32
SAPH38
SAPH41
SAPH45
STKM11A
STKM12A
STKM12B

Chemical composition(mass fraction)(wt.%) of the STKM12C

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.20 0.35 Max 0.60 0.04 0.04

Mechanical Properties of steel grade STKM12C

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)
189 (≥) 672 (≥) 31 21 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade STKM12C

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
12 - -     0.43 -  
264 544 - 33.3 234   -  
228 - 13 14.2   344 233

Heat Treatment of steel grade STKM12C

Heat treated : 1493°C - 1676°C

Technological Curves of steel grade STKM12C

Cross Reference Table (Equivalent Grade) of STKM12C

Grade Standard Country Application
STKM12C CNS China China Taiwan Structural steel
STKM12B STKM13A
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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