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12 ChMF

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Bulgaria BDS 12ChMF Seamless high-temperature steel tubes. Designations and technical requirements and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 12ChMF / 12 ChMF
Category Grade Standard Region/Area Standard Content
Metals 12 ChMF BDS 6609 Bulgaria Seamless high-temperature steel tubes. Designations and technical requirements

Chemical composition(mass fraction)(wt.%) of the 12 ChMF

Element Min Max Similar
V 0.1500 0.3500 -
Si 0.1500 0.4000 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.3000 -
Mo 0.2500 0.4000 -
Mn 0.4000 0.7000 -
Cu - 0.3000 -
Cr 0.9000 1.2000 -
C 0.0800 0.1500 -

Mechanical Properties of steel grade 12 ChMF

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)
933 (≥) 377 (≥) 33 12 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade 12 ChMF

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
32 - -     0.23 -  
177 424 - 34.3 333   -  
832 - 24 22.2   334 232

Heat Treatment of steel grade 12 ChMF

Heat treated : 1884°C - 1914°C

Technological Curves of steel grade 12 ChMF

Cross Reference Table (Equivalent Grade) of 12 ChMF

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.
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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