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B522 Class 2

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America ASTM B522Class2 金银铂电接触合金规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B522Class2 / B522 Class 2
Category Grade Standard Region/Area Standard Content
Metals B522 Class 2 ASTM B522 America 金银铂电接触合金规范

Chemical composition(mass fraction)(wt.%) of the B522 Class 2

Element Min Max Similar
Total Others - 0.1500 -
Tot. other - 0.1000 -
S - 0.0100 -
Pt 5.5000 6.5000 -
Other - 0.0100 -
Au 68.5000 69.5000 -
Ag 24.5000 25.5000 -

Mechanical Properties of steel grade B522 Class 2

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)
151 (≥) 552 (≥) 42 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade B522 Class 2

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 - -     0.13 -  
834 829 - 13.3 441   -  
996 - 12 24.2   443 243

Heat Treatment of steel grade B522 Class 2

Heat treated : 1299°C - 1647°C

Technological Curves of steel grade B522 Class 2

Cross Reference Table (Equivalent Grade) of B522 Class 2

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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