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A995 Grade 3A

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America ASTM A995Grade3A 容压件用奥氏体－铁素体（用二联法）不锈钢铸件技术规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A995Grade3A / A995 Grade 3A
Category Grade Standard Region/Area Standard Content
Metals A995 Grade 3A ASTM A995/A995M America 容压件用奥氏体－铁素体（用二联法）不锈钢铸件技术规范

Chemical composition(mass fraction)(wt.%) of the A995 Grade 3A

Element Min Max Similar
Si - 1.0000 -
S - 0.0400 -
P - 0.0400 -
Ni 4.0000 6.0000 -
N 0.1500 0.2500 -
Mo 1.7500 2.5000 -
Mn - 1.0000 -
Cr 24.0000 27.0000 -
C - 0.0600 -

Mechanical Properties of steel grade A995 Grade 3A

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)
684 (≥) 787 (≥) 24 14 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade A995 Grade 3A

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 - -     0.41 -  
694 753 - 42.3 311   -  
632 - 44 44.2   324 412

Heat Treatment of steel grade A995 Grade 3A

Heat treated : 1528°C - 1998°C

Technological Curves of steel grade A995 Grade 3A

Cross Reference Table (Equivalent Grade) of A995 Grade 3A

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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