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A320 L7A

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America ASTM A320L7A 低温用合金钢螺栓材料规格 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A320L7A / A320 L7A
Category Grade Standard Region/Area Standard Content
Metals A320 L7A ASTM A320/A320M America 低温用合金钢螺栓材料规格

Chemical composition(mass fraction)(wt.%) of the A320 L7A

Element Min Max Similar

Mechanical Properties of steel grade A320 L7A

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)
592 (≥) 913 (≥) 24 23 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade A320 L7A

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
11 - -     0.22 -  
714 868 - 42.3 141   -  
569 - 22 32.2   143 332

Heat Treatment of steel grade A320 L7A

Heat treated : 1445°C - 1414°C

Technological Curves of steel grade A320 L7A

Cross Reference Table (Equivalent Grade) of A320 L7A

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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