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B891 Grade 31

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America ASTM B891Grade31 装整体散热片的无缝和焊接钛钛合金冷凝器和热交换器规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B891Grade31 / B891 Grade 31
Category Grade Standard Region/Area Standard Content
Metals B891 Grade 31 ASTM B891 America 装整体散热片的无缝和焊接钛钛合金冷凝器和热交换器规范

Chemical composition(mass fraction)(wt.%) of the B891 Grade 31

Element Min Max Similar
Total Others - 0.4000 -
Ti - - -
Pd 0.0400 0.0800 -
Others each - 0.1000 -
O - 0.3500 -
N - 0.0500 -
H - 0.0150 -
Fe - 0.3000 -
Co 0.2000 0.8000 -
C - 0.0800 -

Mechanical Properties of steel grade B891 Grade 31

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)
734 (≥) 512 (≥) 13 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade B891 Grade 31

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
11 - -     0.22 -  
881 489 - 22.3 222   -  
915 - 43 42.2   143 422

Heat Treatment of steel grade B891 Grade 31

Heat treated : 1824°C - 1991°C

Technological Curves of steel grade B891 Grade 31

Cross Reference Table (Equivalent Grade) of B891 Grade 31

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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