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B971 Class A

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America ASTM B971ClassA 用于电子应用中使用镀银布雷德铜扁线的标准规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B971ClassA / B971 Class A
Category Grade Standard Region/Area Standard Content
Metals B971 Class A ASTM B971 America 用于电子应用中使用镀银布雷德铜扁线的标准规范

Chemical composition(mass fraction)(wt.%) of the B971 Class A

Element Min Max Similar

Mechanical Properties of steel grade B971 Class A

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)
512 (≥) 488 (≥) 34 44 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade B971 Class A

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 - -     0.13 -  
298 691 - 32.3 231   -  
279 - 44 34.2   213 433

Heat Treatment of steel grade B971 Class A

Heat treated : 1819°C - 1531°C

Technological Curves of steel grade B971 Class A

Cross Reference Table (Equivalent Grade) of B971 Class A

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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