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TU Z 12 CN 25 20

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France AFNOR NF TUZ12CN2520 Steel tubes. Seamless plain end tubes for pipes-lines and other uses. Ferritic and austenitic stainless steels. Dimensions. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: TUZ12CN2520 / TU Z 12 CN 25 20
Category Grade Standard Region/Area Standard Content
Metals TU Z 12 CN 25 20 NF A49-117 France Steel tubes. Seamless plain end tubes for pipes-lines and other uses. Ferritic and austenitic stainless steels. Dimensions. Technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the TU Z 12 CN 25 20

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 19.0000 22.0000 -
Mn - 2.0000 -
Cu - 1.0000 -
Cr 24.0000 26.0000 -
C - 0.1500 -
B - 0.0015 -

Mechanical Properties of steel grade TU Z 12 CN 25 20

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)
178 (≥) 778 (≥) 31 41 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 323

Physical Properties of steel grade TU Z 12 CN 25 20

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
24 - -     0.43 -  
365 893 - 13.3 324   -  
155 - 12 22.2   123 414

Heat Treatment of steel grade TU Z 12 CN 25 20

Heat treated : 1175°C - 1926°C

Technological Curves of steel grade TU Z 12 CN 25 20

Cross Reference Table (Equivalent Grade) of TU Z 12 CN 25 20

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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