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019Cr25Mo4Ni4NbTi

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China GB 019Cr25Mo4Ni4NbTi 给水加热器用铁素体不锈钢焊接钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 019Cr25Mo4Ni4NbTi / 019Cr25Mo4Ni4NbTi
Category Grade Standard Region/Area Standard Content
Metals 019Cr25Mo4Ni4NbTi GB/T 30065 China 给水加热器用铁素体不锈钢焊接钢管

Chemical composition(mass fraction)(wt.%) of the 019Cr25Mo4Ni4NbTi

Element Min Max Similar
Ti+Nb 0.4400 0.8000 -
N - 0.0350 -
Mo 3.5000 4.5000 -
Cr 24.5000 26.0000 -
Ni 3.5000 4.5000 -
S - 0.0300 -
P - 0.0300 -
Mn - 1.0000 -
Si - 0.7500 -
C - 0.0250 -
Ti+Nb 0.4200 0.8000 -
N - 0.0300 -
Mo 3.5000 4.5000 -
Cr 25.0000 26.0000 -
Ni 3.5000 4.5000 -
Si - 0.7500 -
S - 0.0200 -
P - 0.0300 -
Mn - 1.0000 -
C - 0.0250 -
Ti+Nb 0.4200 0.8000 -
N - 0.0300 -
Mo 3.5000 4.5000 -
Cr 24.5000 26.0000 -
Ni 3.5000 4.5000 -
Si - 0.7500 -
S - 0.0200 -
P - 0.0300 -
Mn - 1.0000 -
C - 0.0250 -

Mechanical Properties of steel grade 019Cr25Mo4Ni4NbTi

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)
968 (≥) 136 (≥) 42 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 019Cr25Mo4Ni4NbTi

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
42 - -     0.42 -  
834 812 - 21.3 122   -  
687 - 24 42.2   432 314

Heat Treatment of steel grade 019Cr25Mo4Ni4NbTi

Heat treated : 1752°C - 1215°C

Technological Curves of steel grade 019Cr25Mo4Ni4NbTi

Cross Reference Table (Equivalent Grade) of 019Cr25Mo4Ni4NbTi

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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