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STKM19A

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STKM18C STKM19C
#STKM19A

Description

China CNS STKM19A China Taiwan Structural steel and STKM19A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: STKM19A
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel STKM19A CNS China China Taiwan Structural steel
STKM14C
STKM15A
STKM15C
STKM16A
STKM16C
STKM17A
STKM17C
STKM18A
STKM18B
STKM18C

Chemical composition(mass fraction)(wt.%) of the STKM19A

C(％) Si(％) Mn(％) P(％) S(％)
Max 0.25 0.55 Max 1.50 0.04 0.04

Mechanical Properties of steel grade STKM19A

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)
543 (≥) 337 (≥) 22 23 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade STKM19A

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 - -     0.22 -  
435 748 - 44.3 112   -  
243 - 23 12.2   213 231

Heat Treatment of steel grade STKM19A

Heat treated : 1345°C - 1593°C

Technological Curves of steel grade STKM19A

Cross Reference Table (Equivalent Grade) of STKM19A

Grade Standard Country Application
STKM19A CNS China China Taiwan Structural steel
STKM18C STKM19C
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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