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Th-Pt90Ir

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China GJB Th-Pt90Ir 贵金属及其合金电位器绕组裸丝材规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Th-Pt90Ir / Th-Pt90Ir
Category Grade Standard Region/Area Standard Content
Metals Th-Pt90Ir GJB 955A China 贵金属及其合金电位器绕组裸丝材规范

Chemical composition(mass fraction)(wt.%) of the Th-Pt90Ir

Element Min Max Similar
Pt 89.5000 90.5000 -
Ir 9.5000 10.5000 -
Au - 0.0400 -
Fe - 0.0050 -
Total Others - 0.2000 -

Mechanical Properties of steel grade Th-Pt90Ir

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)
965 (≥) 638 (≥) 31 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical Properties of steel grade Th-Pt90Ir

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 - -     0.23 -  
985 277 - 14.3 133   -  
566 - 23 31.2   324 231

Heat Treatment of steel grade Th-Pt90Ir

Heat treated : 1479°C - 1156°C

Technological Curves of steel grade Th-Pt90Ir

Cross Reference Table (Equivalent Grade) of Th-Pt90Ir

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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