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A573 Gr70

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America ASTM A573Gr70 改进韧性的碳素结构钢板 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A573Gr70 / A573 Gr70
Category Grade Standard Region/Area Standard Content
Metals A573 Gr70 ASTM A573/A573M America 改进韧性的碳素结构钢板

Chemical composition(mass fraction)(wt.%) of the A573 Gr70

Element Min Max Similar
C 0.2400 0.2600 -
Mn 0.8500 1.2000 -
P - 0.0350 -
S - 0.0400 -
Si 0.1500 0.4000 -

Mechanical Properties of steel grade A573 Gr70

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)
944 (≥) 755 (≥) 44 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade A573 Gr70

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
22 - -     0.13 -  
774 719 - 11.3 441   -  
626 - 43 23.2   431 331

Heat Treatment of steel grade A573 Gr70

Heat treated : 1433°C - 1888°C

Technological Curves of steel grade A573 Gr70

Cross Reference Table (Equivalent Grade) of A573 Gr70

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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