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AISI 41L18

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America AISI AISI41L18 Chemical compositions of SAE alloy steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: AISI41L18 / AISI 41L18
Category Grade Standard Region/Area Standard Content
Metals AISI 41L18 SAE J 404 America Chemical compositions of SAE alloy steels

Chemical composition(mass fraction)(wt.%) of the AISI 41L18

Element Min Max Similar
C 0.1800 0.2300 -
Mn 0.7000 0.9000 -
P - 0.0350 -
S - 0.0400 -
Si 0.1500 0.3500 -
Ni - 0.2500 -
Cr 0.4000 0.6000 -
Mo 0.0800 0.1500 -
Cu - 0.3500 -
Pb 0.1500 0.3500 -

Mechanical Properties of steel grade AISI 41L18

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)
646 (≥) 355 (≥) 21 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade AISI 41L18

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 - -     0.31 -  
358 144 - 32.3 322   -  
963 - 12 13.2   121 111

Heat Treatment of steel grade AISI 41L18

Heat treated : 1257°C - 1864°C

Technological Curves of steel grade AISI 41L18

Cross Reference Table (Equivalent Grade) of AISI 41L18

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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