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B639 R30816

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America ASTM B639R30816 高温用沉积硬化钴合金(UNS R30155 and UNS R30816)条材、棒材、锻件和锻造坯料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B639R30816 / B639 R30816
Category Grade Standard Region/Area Standard Content
Metals B639 R30816 ASTM B639 America 高温用沉积硬化钴合金(UNS R30155 and UNS R30816)条材、棒材、锻件和锻造坯料

Chemical composition(mass fraction)(wt.%) of the B639 R30816

Element Min Max Similar
Nb+Ta 3.5000 4.5000 -
C 0.3200 0.4200 -
Mn 1.0000 2.0000 -
P - 0.0400 -
S - 0.0300 -
Si - 1.0000 -
Ni 19.0000 21.0000 -
Cr 19.0000 21.0000 -
Mo 3.5000 4.5000 -
W 3.5000 4.5000 -
Fe - 5.0000 -
Co 40.0000 - -
W 3.5000 4.5000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 19.0000 21.0000 -
Nb - - -
Mo 3.5000 4.5000 -
Mn 1.0000 2.0000 -
Fe - 5.0000 -
Cr 19.0000 21.0000 -
Co 40.0000 - -
C 0.3200 0.4200 -

Mechanical Properties of steel grade B639 R30816

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)
776 (≥) 366 (≥) 31 43 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade B639 R30816

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
31 - -     0.24 -  
897 699 - 42.3 134   -  
795 - 12 12.2   131 333

Heat Treatment of steel grade B639 R30816

Heat treated : 1779°C - 1521°C

Technological Curves of steel grade B639 R30816

Cross Reference Table (Equivalent Grade) of B639 R30816

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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