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1.4458

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EU EN 1.4458 Steel castings for pressure purposes的交货技术条件 - 第4部分：奥氏体型，奥氏体 - 铁素体钢的牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.4458 / 1.4458
Category Grade Standard Region/Area Standard Content
Metals 1.4458 EN 10213-4 EU Steel castings for pressure purposes的交货技术条件 - 第4部分：奥氏体型，奥氏体 - 铁素体钢的牌号

Chemical composition(mass fraction)(wt.%) of the 1.4458

Element Min Max Similar
Si - 1.0000 -
S - 0.0250 -
P - 0.0350 -
Ni 26.0000 30.0000 -
N - 0.2000 -
Mo 2.0000 2.5000 -
Mn - 2.0000 -
Cu - 2.0000 -
Cr 19.0000 22.0000 -
C - 0.0300 -

Mechanical Properties of steel grade 1.4458

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)
587 (≥) 862 (≥) 33 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade 1.4458

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
21 - -     0.23 -  
183 481 - 11.3 242   -  
784 - 31 13.2   113 232

Heat Treatment of steel grade 1.4458

Heat treated : 1954°C - 1392°C

Technological Curves of steel grade 1.4458

Cross Reference Table (Equivalent Grade) of 1.4458

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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