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SB-381 Grade F-18

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America ASME SB-381GradeF-18 Specification for Titanium and Titanium Alloy Forgings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SB-381GradeF-18 / SB-381 Grade F-18
Category Grade Standard Region/Area Standard Content
Metals SB-381 Grade F-18 ASME SB-381 America Specification for Titanium and Titanium Alloy Forgings

Chemical composition(mass fraction)(wt.%) of the SB-381 Grade F-18

Element Min Max Similar

Mechanical Properties of steel grade SB-381 Grade F-18

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)
897 (≥) 631 (≥) 32 14 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical Properties of steel grade SB-381 Grade F-18

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
43 - -     0.21 -  
786 548 - 44.3 221   -  
795 - 32 23.2   422 311

Heat Treatment of steel grade SB-381 Grade F-18

Heat treated : 1556°C - 1132°C

Technological Curves of steel grade SB-381 Grade F-18

Cross Reference Table (Equivalent Grade) of SB-381 Grade F-18

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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