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A421 Type BA

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America ASTM A421TypeBA 预应力混凝土用无涂层消除应力钢丝的技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A421TypeBA / A421 Type BA
Category Grade Standard Region/Area Standard Content
Metals A421 Type BA ASTM A421/A421M America 预应力混凝土用无涂层消除应力钢丝的技术规范

Chemical composition(mass fraction)(wt.%) of the A421 Type BA

Element Min Max Similar
S - 0.0500 -
P - 0.0400 -

Mechanical Properties of steel grade A421 Type BA

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)
562 (≥) 338 (≥) 22 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade A421 Type BA

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
42 - -     0.31 -  
634 994 - 21.3 214   -  
542 - 31 21.2   312 111

Heat Treatment of steel grade A421 Type BA

Heat treated : 1852°C - 1538°C

Technological Curves of steel grade A421 Type BA

Cross Reference Table (Equivalent Grade) of A421 Type BA

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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