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B860 Type A-3

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America ASTM B860TypeA-3 热浸镀锌用锌母合金的标准规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B860TypeA-3 / B860 Type A-3
Category Grade Standard Region/Area Standard Content
Metals B860 Type A-3 ASTM B860 America 热浸镀锌用锌母合金的标准规范

Chemical composition(mass fraction)(wt.%) of the B860 Type A-3

Element Min Max Similar
Cu - 0.0350 -
Cd - 0.0040 -
Al 4.5000 5.5000 -
Zn - - -
Sn - 0.0030 -
Fe - 0.0500 -
Pb - 0.0050 -
Total Others - 0.0100 -

Mechanical Properties of steel grade B860 Type A-3

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)
541 (≥) 899 (≥) 32 41 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical Properties of steel grade B860 Type A-3

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
34 - -     0.11 -  
554 922 - 24.3 411   -  
811 - 41 13.2   331 213

Heat Treatment of steel grade B860 Type A-3

Heat treated : 1623°C - 1525°C

Technological Curves of steel grade B860 Type A-3

Cross Reference Table (Equivalent Grade) of B860 Type A-3

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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