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B863 Grade 20

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America ASTM B863Grade20 钛及钛合金丝 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B863Grade20 / B863 Grade 20
Category Grade Standard Region/Area Standard Content
Metals B863 Grade 20 ASTM B863 America 钛及钛合金丝

Chemical composition(mass fraction)(wt.%) of the B863 Grade 20

Element Min Max Similar
C - 0.0500 -
Si 0.1500 0.2500 -
Mo 14.0000 16.0000 -
Cb 2.2000 3.2000 -
Ti - - -
Al 2.5000 3.5000 -
N - 0.0300 -
Fe - 0.4000 -
H - 0.0150 -
O - 0.1700 -
Others total - 0.1000 -
Total Others - 0.4000 -
Total Others - 0.4000 -
Total Each - 0.1000 -
Ti - - -
Si 0.1500 0.2500 -
O - 0.1700 -
N - 0.0300 -
Mo 14.0000 16.0000 -
H - 0.0150 -
Fe - 0.4000 -
Cb 2.2000 3.2000 -
C - 0.0500 -
Al 2.5000 3.5000 -

Mechanical Properties of steel grade B863 Grade 20

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)
713 (≥) 175 (≥) 33 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade B863 Grade 20

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
34 - -     0.23 -  
164 641 - 43.3 213   -  
726 - 43 22.2   424 312

Heat Treatment of steel grade B863 Grade 20

Heat treated : 1677°C - 1935°C

Technological Curves of steel grade B863 Grade 20

Cross Reference Table (Equivalent Grade) of B863 Grade 20

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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