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Z6CNNb18.12B

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A35-586 321F20 A35-586 347F20
#Z6CNNb18.12B

Description

France AFNOR Z6CNNb18.12B Resistant to high boron steel(NF A 36-580(1983)) and Z6CNNb18.12B Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Boiler & Pressure Vessel Plate: Z6CNNb18.12B
Category Type Steel Grade Standard Country Application
Steel GradesBoiler & Pressure Vessel Plate Z6CNNb18.12B AFNOR France Resistant to high boron steel(NF A 36-580(1983))
Z2NCDU31-27
Z3CMND22-05-04Az
Z6CND17.12B
A35-586 316F20
Z8CNDT17.13B
A35-586 316F21
Z6CNDNb17.13B
A35-586 316F22
Z6CNT18.12B
A35-586 321F20

Chemical composition(mass fraction)(wt.%) of the Z6CNNb18.12B

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) B(%) Other(%)
0.04-0.08 Max 1.0 Max 2.0 Max 0.040 Max 0.030 17.0-19.0 11.0-13.0 0.0015-0.0060 Nb+Ta 8xC Max 1.0

Mechanical Properties of steel grade Z6CNNb18.12B

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)
229 (≥) 588 (≥) 34 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade Z6CNNb18.12B

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 - -     0.11 -  
814 644 - 12.3 412   -  
244 - 31 33.2   212 342

Heat Treatment of steel grade Z6CNNb18.12B

Heat treated : 1578°C - 1163°C

Technological Curves of steel grade Z6CNNb18.12B

Cross Reference Table (Equivalent Grade) of Z6CNNb18.12B

Grade Standard Country Application
Z6CNNb18.12B AFNOR France Resistant to high boron steel(NF A 36-580(1983))
A35-586 321F20 A35-586 347F20
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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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