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STKM18C

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Japan JIS STKM18C 机械结构用碳素钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: STKM18C / STKM18C
Category Grade Standard Region/Area Standard Content
Metals STKM18C JIS G3445 Japan 机械结构用碳素钢管

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

Element Min Max Similar

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)
944 (≥) 512 (≥) 41 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

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
23 - -     0.24 -  
148 344 - 41.3 221   -  
439 - 24 23.2   111 241

Heat Treatment of steel grade STKM18C

Heat treated : 1983°C - 1918°C

Technological Curves of steel grade STKM18C

Cross Reference Table (Equivalent Grade) of STKM18C

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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Jiangyou Longhai Special Steel Co.,Ltd.

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