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B221 7072

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America ASTM B2217072 铝及铝合金挤压制条、棒、线、管和型材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B2217072 / B221 7072
Category Grade Standard Region/Area Standard Content
Metals B221 7072 ASTM B221 America 铝及铝合金挤压制条、棒、线、管和型材

Chemical composition(mass fraction)(wt.%) of the B221 7072

Element Min Max Similar
Zn 0.8000 1.3000 -
Si+Fe - 0.7000 -
Mn - 0.1000 -
Mg - 0.1000 -
Cu - 0.1000 -
Al - - -

Mechanical Properties of steel grade B221 7072

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)
876 (≥) 558 (≥) 42 23 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade B221 7072

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
33 - -     0.31 -  
763 413 - 13.3 111   -  
435 - 33 33.2   221 344

Heat Treatment of steel grade B221 7072

Heat treated : 1148°C - 1392°C

Technological Curves of steel grade B221 7072

Cross Reference Table (Equivalent Grade) of B221 7072

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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