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B684 90Pt-10Ir

Favorite Datasheet

America ASTM B68490Pt-10Ir 铂铱电接触材料 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B68490Pt-10Ir / B684 90Pt-10Ir
Category Grade Standard Region/Area Standard Content
Metals B684 90Pt-10Ir ASTM B684 America 铂铱电接触材料

Chemical composition(mass fraction)(wt.%) of the B684 90Pt-10Ir

Element Min Max Similar
Total Others - 0.2000 -
Tot. other - 0.1000 -
Pt - - -
Others total - 0.1000 -
Others each - 0.0100 -
Other - 0.0200 -
Ir 9.5000 10.5000 -
Fe - 0.0150 -

Mechanical Properties of steel grade B684 90Pt-10Ir

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)
122 (≥) 213 (≥) 21 44 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade B684 90Pt-10Ir

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 - -     0.31 -  
341 656 - 32.3 224   -  
547 - 21 34.2   124 121

Heat Treatment of steel grade B684 90Pt-10Ir

Heat treated : 1885°C - 1318°C

Technological Curves of steel grade B684 90Pt-10Ir

Cross Reference Table (Equivalent Grade) of B684 90Pt-10Ir

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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